Universiteit Leiden

nl en

Willem Heiser

Hoogleraar

Naam
Prof.dr. W.J. Heiser
Telefoon
+31 71 527 3828
E-mail
heiser@fsw.leidenuniv.nl

 

Meer informatie over Willem Heiser

Kort CV

Prof. dr. Willem Heiser is Emeritus Hoogleraar Psychologie, Methode en Statistiek aan de Faculteit der Sociale Wetenschappen. Daarnaast is hij ook Hoogleraar Datatheorie aan de Faculteit Wiskunde en Natuurkunde.

Onderzoek

Heiser is geïnteresseerd in wat de methodologie tot een eenheid maakt en richt zich met name op de geschiedenis van de statistiek en de waarschijnlijkheidsrekening. Zijn onderzoek bestrijkt de multivariate analyse, meerdimensionale schaaltechnieken, en methoden voor classificatie.

Hoogleraar

  • Faculteit der Sociale Wetenschappen
  • Faculteitsbureau
  • Graduate School

Werkadres

Pieter de la Court
Wassenaarseweg 52
2333 AK Leiden
Kamernummer 4C 01

Contact

Hoogleraar Datatheorie

  • Wiskunde en Natuurwetenschappen
  • Mathematisch Instituut

Werkadres

Snellius
Niels Bohrweg 1
2333 CA Leiden
Kamernummer 219

Contact

  • Stevenson C.E., Heiser W.J. & Resing W.C.M. (2016), Dynamic testing of analogical reasoning in 5-to 6-year-olds: Multiple-choice versus constructed-response training items, Journal of Psychoeducational Assessment 34(6): 550-565.artikel in tijdschrift (refereed)
  • Fagginger Auer M.F., Hickendorff M., Van Putten C.M., Béguin A.A. & Heiser W.J. (2016), Multilevel latent class analysis for large-scale educational assessment data: Exploring the relation between the curriculum and students' mathematical strategies, Applied Measurement in Education 29(2): 144-159.artikel in tijdschrift (refereed)
  • Stevenson C.E., Heiser W.J. & Resing W.C. (2016), Dynamic testing: Assessing cognitive potential of children with culturally diverse backgrounds, Learning and Individual Differences 47: 27-36.artikel in tijdschrift (refereed)
  • D'Ambrosio A & Heiser W.J. (2016), A recursive partitioning method for the prediction of preference rankings based upon Kemeny distances, Psychometrika 81(3): 774-794.artikel in tijdschrift (refereed)
  • Heiser W.J. & Hubert L. (2016), Commemorating the 80th anniversary of the founding of Psychometrika: Introduction by the guest editors, Psychometrika 81(4): 1170-1171.artikel in tijdschrift
  • Heiser W.J. & Hubert L. (2016), A creation narrative for the Psychometric Society and Psychometrika: In the beginning there was Paul Horst, Psychometrika 81(4): 1172-1176.artikel in tijdschrift
  • Stevenson C.W., Bergwerff C., Heiser W.J. & Resing W.C.M. (2014), Working memory and dynamic measures of analogical reasoning as predictors of children's math and reading achievement, Infant and Child Development 23(1): 51-66.artikel in tijdschrift (refereed)
  • Heiser W.J. (31 januari 2014), Psychologie van het statistisch denken / Psychology of statistical thinking. Afscheidsrede / Address (Lezing). Leiden: Leiden University.overig
  • Stevenson C.W., Bergwerff C., Heiser W.J. & Resing W.C.M. (2014), Working memory and dynamic measures of analogical reasoning as predictors of children's math and reading achievement, Infant and Child Development 23(1): 51-66.artikel in tijdschrift (refereed)
  • Heiser W.J. & Busing F.M.T.A. (2014), Regularization with coefficient of variation in loss functions for nonmetric unfolding. Conference paper Annual meeting of the Psychometric Society, Madison .congresbijdrage (refereed)
  • Heiser W.J. & Meulman J.J. (2014), Borrowing strength from multi-way thinking by attacking two-way problems with multi-way methods. Invited paper at the symposium in honor of P.M. Kroonenberg, Leiden University, 14 November 2014 (Lezing).overig
  • Vera F.J., De Rooij M.J. & Heiser W.J. (2014), A latent class distance association model for cross-classified data with a categorical response variable, British Journal of Mathematical and Statistical Psychology 67(3): 514-540.artikel in tijdschrift (refereed)
  • Heiser W.J. (2014), Editorial, Journal of Classification 31(2): 135.artikel in tijdschrift
  • Heiser W.J. (2014), Editorial, Journal of Classification 31(3): 273.artikel in tijdschrift
  • Heiser W.J., Amodio S. & D’Ambrosio A. (2014), Multidimensional unfolding and clustering of preferences: A new simulation design. Conference paper Dagstuhl Seminar "Preference Learning", Leibnitz.congresbijdrage (refereed)
  • Heiser W.J. (2014), From preference mapping to preference learning, with an example of a prediction tree for rankings. Conference paper 25th Anniversary jubilee meeting of the VOC (Dutch Classification Society), Kerkrade .congresbijdrage
  • Stevenson C.E., Heiser W.J. & Resing W.C.M. (2013), Working memory as a moderator of training and transfer of analogical reasoning in children, Contemporary Educational Psychology 38(3): 159-169.artikel in tijdschrift (refereed)
  • Stevenson C.E., Hickendorff M., Resing W.C.M., Heiser W.J. & De Boeck P.A.L. (2013), Explanatory item response modeling of children's change on a dynamic test of analogical reasoning, Intelligence 41(3): 157-168.artikel in tijdschrift (refereed)
  • Vera J.F, Macias R. & Heiser W.J. (2013), Cluster differences unfolding for two-way two-mode preference rating data, Journal of Classification 30(3): 370-396.artikel in tijdschrift (refereed)
  • Heiser W.J. & D'Ambrosio A. (2013), Clustering and prediction of rankings within a Kemeny distance framework. In: Lausen B., Van den Poel D., Ultsch A. (Red.) Algorithms from and for nature and life. Studies in classification, data analysis and knowledge organization: Springer International Publishing Switzerland. 19-31.boekdeel
  • Heiser W.J. (2013), A chorus line how Psychology in Leiden turned west. In: Van Holsteyn J., Mom R., Smit I., Tromp H., Wolters G. (Red.) Perspectives on the past: 50 year of FSW. Utrecht: Biblioscope. 22-41.boekdeel
  • Heiser W.J. (2013), A chorus line: Hoe de psychologie in Leiden westwaarts keerde. In: Van Holsteyn J., Mom R., Smit I., Tromp H., Wolters G. (Red.) Vensters op het verleden: 50 jaar FSW.. Utrecht: Biblioscope. 22-41.boekdeel
  • Heiser W.J. (2013), Redactielid Journal of Classification 30(3).tijdschriftredactie
  • Heiser W.J. (2013), Redactielid Journal of Classification 30(1).tijdschriftredactie
  • Heiser W.J. (2013), In memoriam J. Douglas Carroll, Psychometrika 78(1): 5-13.artikel in tijdschrift (refereed)
  • Heiser W.J. & D'Ambrosio A. (2013), Clustering and prediction of rankings within a Kemeny distance framework. In: Lausen B., Van den Poel D., Ultsch A. (red.) Algorithms from and for nature and life. Studies in classification, data analysis and knowledge organisation.: Springer International Publishing Switzerland.. 19-31.boekdeel
  • Heiser W.J. (11 oktober 2012), De evolutie van de statistiek (Lezing). Leiden.overig
  • Heiser W.J. & d'Ambrosio A. (9 juli 2012), Classification of rankings within a Kemeny distance framework (Lezing). Lincoln, Nebraska, USA.overig
  • Heiser W.J. & d'Ambrosio A. (14 juni 2012), Clustering of rankings using Kemenyu distances (Lezing). Pittsburgh, Pennsylvania, USA.overig
  • De Jong K., Van Sluis P., Nugter M.A., Heiser W.J. & Spinhoven P. (2012), Understanding the differential impact of outcome monitoring: Therapist variables that moderate feedback effects in a randomized clinical trial, Psychotherapy Research 22(4): 464-474.artikel in tijdschrift (refereed)
  • Spinhoven P., De Rooij M.J., Heiser W.J., Smit J.H. & Penninx B.W.J.H. (2012), Personality and changes in comorbidity among anxiety and depressive disorders., Journal of Abnormal Psychology 121(4): 874-884.artikel in tijdschrift (refereed)
  • Polak M.G., De Rooij M.J. & Heiser W.J. (2012), A model-free diagnostic for single-peakedness of item responses using ordered conditional means, Multivariate Behavioral Research 47(5): 743-770.artikel in tijdschrift (refereed)
  • Heiser W.J. (2012), J. Douglas Carroll 1939-2011 In Memoriam, Journal of Classification 29(3): 263-276.artikel in tijdschrift (refereed)
  • Heiser W.J. (2012), Redactielid Journal of Classification 29.tijdschriftredactie
  • Meulman J.J. & Heiser W.J. (2012), SPSS Categories 20.0. Chicago, USA: SPSS Inc..boek
  • Heiser W.J. & d'Ambrosio A. (31 augustus 2011), Custering and prediction of rankings within a kemeny distance framework. (Lezing). Frankfurt am Main.overig
  • Heiser W.J. (18 juli 2011), Explanatory unfolding models for prediction of judgment and choice (Lezing). HongKong.overig
  • Heiser W.J. (2011), Redactielid Journal of Classification 28.tijdschriftredactie
  • Heiser W.J. (2011), Redactielid Applied Psychological Measurement 35.tijdschriftredactie
  • Heiser W.J. (2011), Redactielid Measurement: Interdisciplinary Research and Perspectives 3.tijdschriftredactie
  • Hickendorff M., Van Putten C.M., Verhelst N.D. & Heiser W.J. (2010), Individual differences in strategy use on division problems: Mental versus written computation, Journal of Educational Psychology 102(2): 438-452.artikel in tijdschrift (refereed)
  • Polak M.G., Van H.L., Overeem-Seldenrijk J., Heiser W.J. & Abraham R.E. (2010), The developmental profile: Validation of a theory driven instrument for personality assessment., Psychotherapy Research 20: 259-272.artikel in tijdschrift (refereed)
  • Rooden S.M. van, Heiser W.J., Kok J., Verbaan D., Hilten Jacobus J. & Marinus Johan (2010), The identification of Parkinson's disease subtypes using cluster analysis: a systematic review., Movement Disorders 25(8): 969-978.artikel in tijdschrift (refereed)
  • Heiser W.J. & Warrens M.J. (2010), Families of relational statistics for 2X2 tables. In: Kaul H., Mulder H.M. (Red.) Advances in Interdisciplinary Applied Discrete Mathematics. Singapore: World Scientific. 25-52.boekdeel
  • Busing F.M.T.A. & Heiser W.J. (2010), Restricted unfolding: Preference analysis with optimal transformations fo preferences and attributes., Food Quality and Preference 21: 82-92.artikel in tijdschrift (refereed)
  • Heiser W.J. (20 augustus 2009), Statistics meets psychology: the inspiration of John van de Geer. (Lezing). Leiden.overig
  • Heiser W.J. & Warrens M.J. (24 juli 2009), Detecting complete positive regression: using the dominant axis of correspondence analysis. (Lezing). Cambridge, England.overig
  • Hickendorff M., Heiser W.J., Van Putten C.M. & Verhelst N.D. (2009), Solution strategies and achievement in Dutch complex arithmetic: Latent variabel modeling of change, Psychometrika 74: 331-350.artikel in tijdschrift (refereed)
  • Hickendorff M., Heiser W.J., Van Putten C.M. & Verhelst N.D. (2009), How to measure and explain achievement change in large-scale assessments: A rejoinder, Psychometrika 74: 367-374.artikel in tijdschrift (refereed)
  • Warrens M.J. & Heiser W.J. (2009), Diagnostics for regression dependence in tables re-ordered by the dominant correspondence analysis solution., Computational Statistics and Data Analysis 53: 3139-3144.artikel in tijdschrift (refereed)
  • Polak M.G., Heiser W.J. & Rooij M.J. de (2009), Two types of single-peaked data: correspondence analysis as an alternative to principal component analysis., Computational Statistics and Data Analysis 53: 3117-3128.artikel in tijdschrift (refereed)
  • Spinhoven P., Rooij M.J. de, Heiser W.J., Smit J. & Penninx B.W. (2009), The role of personality in comorbidity among anxiety and depressive disorders in primary care and specialty care: A cross-sectional analysis., General Hospital Psychiatry 31: 470-477.artikel in tijdschrift (refereed)
  • Vera J.F., Macias R. & Heiser W.J. (2009), A latent class multidimensional scaling model for two-way one-mode continuous rating dissimilarity data., Psychometrika 74: 297-315.artikel in tijdschrift (refereed)
  • Vera J.F., Macias R. & Heiser W.J. (2009), A dual latent class unfolding model for two-way two-mode preference rating data., Computational Statistics and Data Analysis 53: 3231-3244.artikel in tijdschrift (refereed)
  • Heiser W.J. (2009), Redactielid Journal of Classification 25.tijdschriftredactie
  • Heiser W.J. (2009), Redactielid Applied Psychological Measurement 32.tijdschriftredactie
  • Heiser W.J. (2009), Redactielid Measurement: Interdisciplinary Research and Perspectives 6.tijdschriftredactie
  • Heiser W.J. & Warrens M.J. (6 juni 2008), Horseshoe effects in multiple correspondence analysis: distance transformations that let them disappear (Lezing). St Louis.overig
  • Jong K. de, Nugter A., Polak M., Wagenborg H., Spinhoven P. & Heiser W. (2008), The Dutch version of the Outcome Questionnaire (OQ-45): a cross-cultural validation, Psychologie & Gezondheid 36(1): 35-45.artikel in tijdschrift (refereed)
  • Frank L.E. & Heiser W.J. (2008), Feature selection in feature network models: Finding predictive subsets of features with the positive lasso., British Journal of Mathematical and Statistical Psychology 61: 1-27.artikel in tijdschrift (refereed)
  • Jong K. de, Nugter M.A., Polak M.G., Wagenborg J.E.A., Spinhoven P. & Heiser W.J. (2008), De Nederlandse versie van de Outcome Questionnaire (OQ-45): Een crossculturele validatie., Gedrag & Gezondheid: Tijdschrift voor Psychologie en Gezondheid 36: 35-45.artikel in tijdschrift (refereed)
  • Gucht V.M.J. de, Maes S. & Heiser W.J. (2008), Is there a reciprocal relationship between health behaviour and psychological and somatic distress?, International Journal of Psychology 43: 594-594.abstract
  • Hickendorff M., Heiser W.J., Van Putten C.M. & Verhelst N.D. (2008), Clustering nominal data with equivalent categories, Behaviormetrika 35(1): 35-54.artikel in tijdschrift (refereed)
  • Heiser W.J. & Warrens M.J. (2008), On the recovery of the consecutive ones property by generalized averaging algorithms.. In: Shigemasu K, Okada A, Imaizumi T, hoshino T (Red.) New trends in psychometrics.. Tokio: University Academic Press. 107-110.boekdeel
  • Heiser W.J. (2008), Redactielid Journal of Classification 25.tijdschriftredactie
  • Heiser W.J. (2008), Redactielid Applied Psychological Measurement 32.tijdschriftredactie
  • Heiser W.J. (2008), Redactielid Measurement: Interdisciplinary Research and Perspectives 6.tijdschriftredactie
  • Heiser W.J. (2008), Psychometric roots of multidimensional data analysis in the Netherlands: From Gerard Heymans to John van de Geer, Journ@l Electronique d'Histoire des Probabilités et de la Statistique / Electronic Jour@l for History of Probability and Statistics 4(2): 1-25.artikel in tijdschrift (refereed)
  • Heiser W.J. & Meulman J.J. (2007), Noise or signal? The dilemma of individual differences.. In: Groen A. in 't, Jonge H.J. de, Klasen E., Papma H., Slooten P. van (Red.) Knowledge in Ferment. Dilemmas in science, scholarship and society. Leiden: Leiden University Press. 71-83.boekdeel
  • Jong K. de, Nugter M.A., Polak M.G., Wagenborg J.E.A., Spinhoven P. & Heiser W.J. (2007), The Outcome Questionnaire (OQ-45) in a Dutch population: A cross-cultural validation., Clinical Psychology and Psychotherapy 14: 288-301.artikel in tijdschrift (refereed)
  • Gravely-Witte S., Gucht V.M.J. de, Heiser W.J., Grace S.L. & Elderen-Van Kemenade T.M.T. van (2007), The impact of angina and cardiac history on health-related quality of life and depression in coronary heart disease patients., Chronic Illness 3: 66-76.artikel in tijdschrift (refereed)
  • Warrens M.J., Gruijter D.N.M. de & Heiser W.J. (2007), A systematic comparison between classical optimal scaling and the twoparameter IRT model, Applied Psychological Measurement 31(2): 106-120.artikel in tijdschrift (refereed)
  • Warrens M.J. & Heiser W.J. (2007), Robinson Cubes. In: Brito P., Bertrand P., Cucumel G., Caravalho, de F. (Red.) Studies in Classification, Data Analysis, and Knowledge Organization, Vol. 9: Selected contributions in data analysis and classification.. Berlin: Springer. 515-523.boekdeel
  • Vera J.F., Murillo A. & Heiser W.J. (2007), Global optimization in any Minkowski metric: a permutation-translation simulated annealing algorithm for multidimensional scaling., Journal of Classification 24: 277-301.artikel in tijdschrift (refereed)
  • Deun K van, Marchal K., Heiser W.J., Engelen K. & Mechelen I van (2007), Joint mapping of genes and conditions via multidimensional unfolding analysis., BMC Bioinformatics 8(181): 1-8.artikel in tijdschrift (refereed)
  • Deun K van, Heiser W.J. & Delbeke L. (2007), Multidimensional unfolding by nonmetric multidimensional scaling of Spearman distances in the extended permutation polytope., Multivariate Behavioral Research 42: 103-132.artikel in tijdschrift (refereed)
  • Frank L.E. & Heiser W.J. (2007), Estimating standard errors in feature network models., British Journal of Mathematical and Statistical Psychology 60: 1-28.artikel in tijdschrift (refereed)
  • Rooden S.M. van, Verbaan D., Visser M., Marinus J., Verduin C.J., Heiser W.J. & Hilten J.J. van (2007), Profiling subgroups of cognitive performance in Parkinson's disease, Parkinsonism & Related Disorders 13: S187.artikel in tijdschrift (refereed)
  • Heiser W.J. (12 oktober 2006), Spatial analysis of preferences and attitude data allowing for differences between actors and effects of occasions. (Lezing). Krakow, Poland.overig
  • Deun K van, Mechelen I van & Heiser W.J. (1 augustus 2006), Joint mapping of genes and conditions via non-metric multidimensional unfolding analysis. (Lezing). Rome, Italy.overig
  • Heiser W.J. & Frank L.E. (1 juli 2006), Network representations of city-block models. (Lezing). Ljubljana, Slovenia.overig
  • Heiser W.J. & Frank L.E. (1 juni 2006), Network representations of city-block models. (Lezing). Montreal, Canada.overig
  • Hickendorff M., Heiser W.J., Van Putten C.M. & Verhelst N.D. (1 juni 2006), Clustering nominal data with equivalent categories (Lezing). Montreal, Canada.overig
  • Polak M.G., Heiser W.J. & Rooij M.J. de (1 juni 2006), Testing single-peakedness of item responses. (Lezing). Montreal, Canada.overig
  • Frank L.E. & Heiser W.J. (1 mei 2006), Standard errors, prediction error and model tests in additive trees. (Lezing). Piscataway, U.S.A.overig
  • Warrens M.J. & Heiser W.J. (2006), Scaling Unidimensional Models with Multiple Correspondence Analysis. In: Greenacre M., Blasius J. (Red.) Multiple Correspondence Analysis and Related Methods. London: Chapman & Hall/CRC. 219-235.boekdeel
  • Craen S. de, Commandeur J.J.F., Frank L.E. & Heiser W.J. (2006), Effects of group size and lack of sphericity on the recovery of clusters in K-means cluster analysis, Multivariate Behavioral Research 41(2): 127-145.artikel in tijdschrift (refereed)
  • Heiser W.J. (2006), Measurement without copper instruments and experiment without complete control., Psychometrika 71: 457-461.artikel in tijdschrift (refereed)
  • Kooij A.J. van der, Meulman J.J. & Heiser W.J. (2006), Local minima in categorical multiple regression., Computational Statistics and Data Analysis 50: 446-462.artikel in tijdschrift (refereed)
  • Heiser W.J. (2006), Redactielid Journal of Classification 23.tijdschriftredactie
  • Heiser W.J. (2006), Redactielid Applied Psychological Measurement 30.tijdschriftredactie
  • Heiser W.J. (2006), Redactielid Measurement: Interdisciplinary Research and Perspectives.tijdschriftredactie
  • Heiser W.J. (2006), Editorial, Journal of Classification 23(1): 1-2.artikel in tijdschrift
  • Heiser W.J. (2006), Editorial, Journal of Classification 23(2): 173-173.artikel in tijdschrift
  • Busing F.M.T.A., Groenen P.J.F. & Heiser W.J. (2005), Avoiding degeneracy in multidimensional unfolding by penalizing on the coefficient of variation, Psychometrika 70: 71-98.artikel in tijdschrift (refereed)
  • Deun K van, Groenen P.J.F., Heiser W.J., Busing F.M.T.A. & Delbeke L. (2005), Interpreting degenerate solutions in unfolding by use of the vector model and the compensatory distance model, Psychometrika 70: 45-69.artikel in tijdschrift (refereed)
  • Warrens M.J., Heiser W.J. & Gruijter D.N.M. de (2005), Reparametrization of homogeneity analysis to accommodate parallel item response functions, Behaviormetrika 32(2): 127-139.artikel in tijdschrift (refereed)
  • Verduin C.J. & Heiser W.J. (2005), Spreiding zonder fouten; hoe de standaarddeviatie tot stand kwam als maat voor verscheidenheid, STAtOR 6(3): 14-20.artikel in tijdschrift (refereed)
  • Rooij M.J. de & Heiser W.J. (2005), Graphical representations and odds ratios in a distance association model for the analysis of cross classified data, Psychometrika 70: 99-122.artikel in tijdschrift (refereed)
  • Murillo A., Vera J.F. & Heiser W.J. (2005), A permutation-translation simulated annealing algorithm for L1 and L2 Undidimensional scaling, Journal of Classification 22: 119-138.artikel in tijdschrift (refereed)
  • Kloot W.A. van der, Spaans M. & Heiser W.J. (2005), Instability of hierarchical cluster analysis due to input order of the data: The PermuCLUSTER solution, Psychological Methods 10: 468-476.artikel in tijdschrift (refereed)
  • Heiser W.J. (2005), Editorial, Journal of Classification 22(1): 1-2.artikel in tijdschrift
  • Meulman J.J. & Heiser W.J. (2005), SPSS Categories 14.0 - CD Rom. Chicago: SPSS Inc..boek
  • Kooij A.J. van der, Meulman J.J. & Heiser W.J. (2005), Local minima in categorical multiple regression, Computational Statistics and Data Analysis: 446-462.artikel in tijdschrift (refereed)
  • Heiser W.J. (2005), Editorial, Journal of Classification 22(2): 147-148.artikel in tijdschrift
  • Heiser W.J. (2005), Redactielid Journal of Classification 22.tijdschriftredactie
  • Heiser W.J. (2005), Redactielid Applied Psychological Measurement 29.tijdschriftredactie
  • Frank L.E. & Heiser W.J. (16 juni 2004), Statistical inference in feature network models and additive trees (Lezing). Pacific Grove, CA.overig
  • Gucht V.M.J. de, Fischler B. & Heiser W.J. (2004), Personality and affect as determinants of medically unexplained symptoms in primary care. A follow up study, Journal of Psychosomatic Research 56(3): 279-285.artikel in tijdschrift (refereed)
  • Gucht V.M.J. de, Fischler B. & Heiser W.J. (2004), Neuroticism, alexithymia, negative affect, and positive affect as determinants of medically unexplained symptoms., Personality and Individual Differences 36: 1655-1667.artikel in tijdschrift (refereed)
  • Heiser W.J. (2004), Geometric representation of association between categories, Psychometrika 69: 513-546.artikel in tijdschrift (refereed)
  • Heiser W.J. (2004), Editorial, Journal of Classification 21(2): 163-164.artikel in tijdschrift
  • Heiser W.J. (2004), Editorial, Journal of Classification 21(1): 1-1.artikel in tijdschrift
  • Heiser W.J. & Busing F.M.T.A. (2004), Multidimensional scaling and unfolding of symmetric and asymmetric proximity relations. In: Kaplan D. (Red.) The SAGE Handbook of Quantitative Methodology for the Social Sciences. Thousand Oaks, CA: Sage. 25-48.boekdeel
  • Meulman J.J., Kooij A.J. van der & Heiser W.J. (2004), Principal components analysis with nonlinear optimal scaling transformations for ordinal and nominal data. In: Kaplan D. (Red.) The Sage Handbook of Quantitative Methodology for the Social Sciences. Thousand Oaks, CA: Sage Publications. 49-70.boekdeel
  • Meulman J.J. & Heiser W.J. (2004), SPSS Categories 13.0. Chicago, Illinois: SPSS Inc..boek
  • Heiser W.J. (10 december 2003), Barycentric representation of profiles in correspondence analysis: Some new results (Lezing). Neuchatel Suisse.overig
  • Heiser W.J. (14 augustus 2003), Interpretation of between-set distances in correspondence analysis (Lezing). Monterey CA USA.overig
  • Heiser W.J. (29 juni 2003), Interset distances in the barycentric representation of profiles (Lezing). Barcelona Spain.overig
  • Heiser W.J. & Busing F.M.T.A. (12 juni 2003), Ordinal three-way MDS with PROXSCAL: An application of tehe reduced rank model to the Klingberg data (Lezing). Tallahassee Florida USA.overig
  • Heiser W.J. (11 juni 2003), Interpretation of between-set distances in correspondence analysis (Lezing). Tallahassee Florida USA.overig
  • Gucht V.M.J. de, Fischler B. & Heiser W.J. (2003), Job stress, personality, and psychological distress as determinants of somatization and functional somatic syndromes in a population of nurses, Stress and Health 19: 195-204.artikel in tijdschrift (refereed)
  • Heiser W.J. (2003), Trust in relations, Measurement: Interdisciplinary Research and Perspectives 1: 264-269.artikel in tijdschrift (refereed)
  • Gucht V.M.J. de & Heiser W.J. (2003), Alexithymia and somatisation: A quantitative review of the literature, Journal of Psychosomatic Research 54: 425-434.artikel in tijdschrift (refereed)
  • Heiser W.J. (2003), Editorial, Journal of Classification 20(1): 1-1.artikel in tijdschrift
  • Heiser W.J. (2003), Editorial, Journal of Classification 20(2): 139-140.artikel in tijdschrift
  • Frank L.E., Rooij M.J. de & Heiser W.J. (2003), Monte Carlo simulation in three-way unfolding: Assessing the combined effects of sparseness and variation of the cell frequencies. In: Yanai H., Okada A., Shigemasu K., Kano Y., Meulman J.J. (Red.) New Developments in Psychometrics. Tokyo: Springer Verlag. 511-518.boekdeel
  • Heiser W.J. (2003), Early Statistical Modelling of Latent Quantities: The History of Distance Measurement by Triangulation. In: Yanai H., Okada A., Shigemasu K., Kano Y., Meulman J.J. (Red.) New Developments in Psychmetrics. Tokyo: Springer Verlag. 33-44.boekdeel
  • Heiser W.J. (2003), Barycentric representation of profiles in correspondence analysis: Some new results. In: Dodge Y., Melfi G. (Red.) Méthodes et Perspectives en Classification - Comptes rendus des 10èmes Rencontres de la Société Francophone de Classification. Neuchâtel Suisse: PAN. 21-22.boekdeel
  • Rooij M.J. de & Heiser W.J. (2003), A distance representation of the quasi-symmetry model and related distance models. In: Yanai H., Okada O., Shigemasu K., Kano Y., Meulman J.J. (Red.) New Developments in Psychometrics. Tokyo: Springer Verlag. 487-494.boekdeel
  • Kloot W.A. van der, Bouwmeester S. & Heiser W.J. (2003), Cluster instability as a result of data input order. In: Yanai H., Okada A., Shigemasu K., Kano Y., Meulman J.J. (Red.) New Developments in Psychometrics. Tokyo: Springer Verlag. 487-494.boekdeel
  • Heiser W.J. (2003), Redactielid Journal of Classification 20.tijdschriftredactie
  • Heiser W.J. (2003), Redactielid Applied Psychological Measurement 27.tijdschriftredactie
  • Heiser W.J. (2003), Redactielid Measurement: Interdisciplinary Research and Perspectives 1.tijdschriftredactie
  • Gucht V.M.J. de, Fischler B. & Heiser W.J. (2 oktober 2002), Neuroticism, alexithymia, negative affect, and positive affect as determinants of medically unexplained symptoms (Lezing). Lisbon (Portugal).overig
  • Roman Y, Heiser W.J. & Gonzalez A (24 augustus 2002), MDS and Cluster Analysis for Big Sets of Dissimilarity Data (Poster). (Lezing). Berlijn.overig
  • Deun K van, Groenen P.J.F., Heiser W.J., Busing F.M.T.A. & Delbeke L. (18 juli 2002), A combined vector-ideal point approach in metric unfolding by optimizing the correlation. (Lezing). Cracow, Poland.overig
  • Kooij A.J. van der, Meulman J.J. & Heiser W.J. (18 juli 2002), Local minima in categorical multiple (Lezing). Cracow (Poland).overig
  • Frank L.E. & Heiser W.J. (17 juli 2002), Stability of feature network models for proximity data (Lezing). Krakau (Polen).overig
  • Kooij A.J. van der, Meulman J.J. & Heiser W.J. (16 juli 2002), Local Minima in Categorical Multiple Regression (CATREG). (Lezing). Cracow, Poland.overig
  • Deun K van, Groenen P.J.F., Heiser W.J., Busing F.M.T.A. & Delbeke L. (16 juli 2002), A Combined Vector-ideal Point Appoach in Metric Unfolding by Optimizing the Correlation (Lezing). Cracow ( Poland).overig
  • Frank L.E. & Heiser W.J. (2002), Stability of feature network models for proximity data. Groningen. [overig]overig
  • Gucht V.M.J. de, Fischler B. & Heiser W.J. (2002), Neuroticism, alexithymia, negative affect, and positive affect as determinants of medically unexplained symptoms.. In: Abstract book of the 16th Conference of European Health Psychology Society, Lisbon, Portugal. 184-185.congresbijdrage (refereed)
  • Rooij M.J. de & Heiser W.J. (2002), A distance representation of the quasi-symmetry model and related distance models. In: Okada H, Shigemasu A, Kano K, Meulman J.J, Yanai I, Meulman Y (Red.) New developments in Psychometrics. Tokyo: Springer Verlag. 487-494.boekdeel
  • Frank L.E., Rooij M.J. de & Heiser W.J. (2002), Monte Carlo simulation in three-way unfolding: assesing the combined effect of sparseness and variation of the cell frequencies.. In: Yanai H, Okada H, Shigemasu A, Kano K, Meulman Y, Meulman J.J. (Red.) New develpments in Psychometrics. Tokyo: Springer. 511-518.boekdeel
  • Heiser W.J. (2002), Editorial, Journal of Classification 19: 193-194.artikel in tijdschrift
  • Heiser W.J., Roman Y & Gonzalez A (2002), Proceeding of the Conference CompStat 2002- Short Communications and Posters. In: Klinke S, Ahrend P, Richter L (Red.) MDS and Cluster analysis for big sets of dissimilarity data. Heidelberg: Heidelberg: Physika Verslag. 54-55.boekdeel
  • Heiser W.J. (2002), Redactielid Journal of Classification 19.tijdschriftredactie
  • Heiser W.J. (2002), Redactielid Applied Psychological Measurement 26.tijdschriftredactie
  • Heiser W.J. (2002), Van bespiegeling naar empire: Statistiek in het hart van het methodologie onderwijs (Lezing). Utrecht (Annual Meeting of the Dutch Statistical.overig
  • Heiser W.J., Busing F.M.T.A. & Groenen P.J.F. (26 september 2001), A Solution for the Degeneracy Problem in Unfolding. (Lezing). Lisbon, Portugal, 26-29 September, 2001.overig
  • Rooij M.J. de & Heiser W.J. (6 augustus 2001), Triadic Distance Models: Properties and Estimation. (Lezing). Piscataway, NJ, USA, 6-10 August, 2001.overig
  • Heiser W.J. & Busing F.M.T.A. (6 augustus 2001), PROXSCAL: A General MDS Program For Two-way and Three-way Euclidean MDS With Restrictions on the Coordinates. (Lezing). Piscataway, NJ, USA, 6-10 August, 2001.overig
  • Heiser W.J. & Busing F.M.T.A. (6 augustus 2001), The IM Algorithm for Sparse MDS Data: Some Initial Experiences. (Lezing). Piscataway, NJ, USA, 6-10 August, 2001.overig
  • Heiser W.J., Busing F.M.T.A. & Groenen P.J.F. (6 augustus 2001), Nonmetric Unfolding by Penalizing for Lack of Variation in the Transformed Proximities. (Lezing). Piscataway, NJ, USA, 6-10 August, 2001.overig
  • Rooij M.J. de & Heiser W.J. (2 augustus 2001), Distance Association Models for the Analysis of Association in Contingency Tables. (Lezing). Voorburg, The Netherlands, 2-3 August, 2001.overig
  • Rooij M.J. de & Heiser W.J. (15 juli 2001), A Distance Representation of the Quasi-symmetry Model and Special Cases. (Lezing). Osaka, Japan, 15-19 July, 2001.overig
  • Busing F.M.T.A., Groenen P.J.F. & Heiser W.J. (15 juli 2001), Nonmetric Unfolding with Penalized Stress. (Lezing). Osaka, Japan, 15-19 July, 2001.overig
  • Heiser W.J. (15 juli 2001), Early Statistical Modeling of Latent Quantities: The History of Distance Measurement by Triangulation. (Lezing). Osaka, Japan, 15-19 July, 2001.overig
  • Kloot W.A. van der, Bouwmeester S. & Heiser W.J. (15 juli 2001), Cluster Instability As A Result of Order Permutations of Input Data. (Lezing). Osaka, Japan, 15-19 July, 2001.overig
  • Frank L.E., Rooij M.J. de & Heiser W.J. (15 juli 2001), Monte Carlo Simulation in Three-way Unfolding: Assessing the Combined Effect of Sparseness and Variation in the Cell Frequencies. (Lezing). Osaka, Japan, 15-19 July, 2001.overig
  • Heiser W.J. (14 juni 2001), Early Statistical Modeling of Latent Qualities: The History of Distance Measurement by Triangulation. (Lezing). St. Louis, USA, 14-17 June, 2001.overig
  • Rooij M.J. de & Heiser W.J. (2001), Distance Association Models for the Analysis of Change. (Lezing). Osaka, Japan, 15-19 July, 2001.overig
  • Heiser W.J. (2001), Correspondence Analysis. In: Smelser N.J., Baltes P.B. (Red.) International Encyclopedia of the Social & Behavioral Sciences.. Oxford: Pergamon. 2820-2824.congresbijdrage (refereed)
  • Heiser W.J. (2001), Redactielid Journal of Classification 18.tijdschriftredactie
  • Heiser W.J. (2001), Redactielid Applied Psychological Measurement 25.tijdschriftredactie
  • Heiser W.J. (3 oktober 2000), Early Roots of Statistical Modelling. (Lezing). Cologne, Germany.overig
  • Busing F.M.T.A., Groenen P.J.F. & Heiser W.J. (3 oktober 2000), Avoiding degeneracy in unfolding through the use of penalty function (Lezing). Cologne, Germany.overig
  • Rooij M.J. de & Heiser W.J. (3 oktober 2000), Probabilistic Unfolding Models for the Analysis of Change. (Lezing). Cologne, Germany.overig
  • Kooij A.J. van der, Meulman J.J. & Heiser W.J. (12 juli 2000), Local minima in categorical multiple regression (Lezing). Namur, Belgium.overig
  • Heiser W.J. (11 juli 2000), Measurement in the Low Countries (Lezing). Namur, Belgium.overig
  • Busing F.M.T.A., Meulman J.J., Groenen P.J.F. & Heiser W.J. (11 juli 2000), Unfolding without degeneracies through penalized stress (Lezing). Namur, Belgium.overig
  • Steverink M.H.M., Heiser W.J. & Kloot W.A. van der (11 juli 2000), Avoiding Degenerate Solutions Using Kemeny's Distance. (Lezing). Namur, Belgium.overig
  • Busing F.M.T.A., Groenen P.J.F. & Heiser W.J. (11 juli 2000), Avoiding degeneracy in unfolding through the use of a penalty function (Lezing). Namur, Belgium.overig
  • Bensmail H., Meulman J.J. & Heiser W.J. (15 maart 2000), MCMC Latent class distance models for analyzing single stimulus preference ratings (Lezing). Passau, Germany.overig
  • Rooij M.J. de & Heiser W.J. (2000), Triadic distance models for the analysis of asymmetric three-way proximity data, British Journal of Mathematical and Statistical Psychology 53: 99-119.artikel in tijdschrift (refereed)
  • Kolck M. van, Rooij M.J. de & Heiser W.J. (2000), Multidimensional scaling of loglinear parameters: The best transformation. In: Garnefski N., Prins F. (Red.) Coping with Psychology, Vol. I. Leiden, The Netherlands: Department of Psychology. 117-136.congresbijdrage
  • Heiser W.J. (2000), What is Random? [Bespreking van: Beltrami E. (2000) What is random? Chance and Order in Mathematics and Life] Kwantitatieve Methoden 21: 144-145.boekbespreking
  • Heiser W.J. (2000), Redactielid Journal of Classification 17.tijdschriftredactie
  • Heiser W.J. (2000), Redactielid Applied Psychological Measurement 24.tijdschriftredactie
  • Rooij M.J. de & Heiser W.J. (2000), Graphical Representations and Odds Ratios in a Distance Association Model for the Analysis of Cross Classified Data. Leiden: Department of Psychology.rapport
  • Rooij M.J. de & Heiser W.J. (2000), Three-way distance models and three-way association: a theoretical note. Leiden: Department of Psychology.rapport
  • Groenen P.J.F. & Heiser W.J. (2000), Iterative Majorization Algorithms in Statistical Computing. Discussion of: K. Lange, D.R. Hunter & I. Yang, Optimization transfer using surrogate objective functions., Journal of Computational and Graphical Statistics 9: 44-48.artikel in tijdschrift (refereed)
  • Hubert L.J., Meulman J.J. & Heiser W.J. (2000), Two purposes for matrix factorization: A historical appraisal, SIAM Review 42(1): 68-82.artikel in tijdschrift (refereed)
  • Groenen P.J.F., Heiser W.J. & Meulman J.J. (22 september 1999), Distance smoothing for global optimization in least squares multidimensional scaling (Lezing). Utrecht (The Netherlands).overig
  • Rooij M.J. de & Heiser W.J. (20 juli 1999), Triadic Distance Models for the Analysis of Asymmetric Three-way Proximity Data (Lezing). Lueneburg, Germany.overig
  • Kooij A.J. van der, Meulman J.J. & Heiser W.J. (20 juli 1999), Clustering of Row Profiles in Categorical Data Analysis (Lezing). Lueneburg, Germany.overig
  • Meulman J.J., Heiser W.J. & Hubert L.J. (20 juli 1999), Three-way Correspondence Analysis Through Individual Differences Models (Lezing). Lueneburg, Germany.overig
  • Meulman J.J., Heiser W.J. & Hubert L.J. (20 juli 1999), Three-Way Correspondence Analysis Through Individual Differences Models (Lezing). Lueneburg (Germany).overig
  • Meulman J.J., Heiser W.J. & Hubert L.J. (25 juni 1999), Three-way correspondence analysis through individual differences models (Lezing). Lawrence, Kansas (USA).overig
  • Meulman J.J., Heiser W.J. & Hubert L.J. (25 juni 1999), Three-way Correspondence Analysis Through Individual Differences Models (Lezing). Lawrence, Kansas.overig
  • Meulman J.J., Heiser W.J. & Kroonenberg P.M. (19 januari 1999), Applied multivariate data analysis (Lezing). Leiden (The Netherlands).overig
  • Meulman J.J. & Heiser W.J. (1999), Categories 10.0. Chicago (USA): SPSS Inc..boek
  • Groenen P.J.F., Heiser W.J. & Meulman J.J. (1999), Global Optimization in Least-squares Multidimensional Scaling by Distance Smoothing, Journal of Classification 16: 225-254.artikel in tijdschrift (refereed)
  • Busing F.M.T.A., Heiser W.J., Neufeglise P. & Meulman J.J. (1999), PROXSCAL. Chicago (U.S.A.): SPSS Inc.. [overig]overig
  • Heiser W.J. (1999), Redactielid Psychometrika 64.tijdschriftredactie
  • Heiser W.J. (1999), Redactielid Journal of Classification 16.tijdschriftredactie
  • Heiser W.J. (1999), Redactielid Applied Psychological Measurement 23.tijdschriftredactie
  • Heiser W.J. (13 november 1998), Van onzekerheid naar coïncidentie: De naturalisatie van het toeval in de 19e eeuw (From uncertainty to coincidence: The naturalization of chance in the 19th century) (Lezing). Tilburg.overig
  • Heiser W.J. (8 september 1998), Fitting feature graphs to proximity data (Lezing). Preddvor, Slovenia.overig
  • Groenen P.J.F., Heiser W.J. & Meulman J.J. (24 juli 1998), Global optimization in least squares multidimensional scaling by distance smoothing (Lezing). Rome, Italy.overig
  • Groenen P.J.F., Heiser W.J. & Meulman J.J. (23 juli 1998), Global optimization in least squares multidimensional scaling by distance smoothing (Lezing). Rome, Italy.overig
  • Meulman J.J., Hubert L.J. & Heiser W.J. (22 juli 1998), The Data Theory Scaling System (Lezing). Rome, Italy.overig
  • Rooij M.J. de & Heiser W.J. (20 juli 1998), The slide-vector model for asymmetry in three-way multidimensional scaling of longitudinal categorical data (Lezing). Rome, Italy.overig
  • Heiser W.J. & Meulman J.J. (22 juni 1998), A clustering method for a distribution of points on a Lattice (Lezing). Rome, Italy.overig
  • Heiser W.J. (3 februari 1998), Van toeval naar kans: De geschiedenis van het meten van onzekerheid (From chance to probability: The history of the Measurement of Uncertainty) (Lezing). Groningen.overig
  • Groenen P.J.F., Heiser W.J. & Meulman J.J. (1998), City-block scaling: smoothing strategies for avoiding local minima. In: Balderjahn I., Mathar R., Schader M. (Red.) Classification, Data Analysis and Data Highways. Berlin: Springer-Verlag. 46-53.boekdeel
  • Meulman J.J., Hubert L.J. & Heiser W.J. (1998), The Data Theory Scaling System. In: Rizzi A., Vichi M., Bock H.H. (Red.) Advances in Data Science and Classification. Berlin: Springer Verlag. 489-496.boekdeel
  • Kroonenberg P.M. & Heiser W.J. (1998), Parallel factor analysis with constraints on the configurations: An overview. In: Hayashi C., Ohsumi N., Yajima K., Tanaka Y., Bock H.-H., Baba Y. (Red.) Data science, classification, and related methods. Tokyo: Springer. 587-597.boekdeel
  • Heiser W.J. (1998), Biplots [Bespreking van: Gower J.C. (1998) Book review of J.C. Gower's and D.J. Hand's Biplots] Journal of Classification 15: 143-148.boekbespreking
  • Groenen P.J.F., Heiser W.J. & Meulman J.J. (1998), City-block scaling: Smoothing strategies for avoiding local minima. In: Balderjahn I., Mathar R., Schader M. (Red.) Classification, data analysis, and data highways. Berlin: Springer Verlag. 46-53.boekdeel
  • Heiser W.J. (1998), Fitting graphs and trees with multidimensional scaling methods. In: Hayashi C., Ohsumi N., Yajima K., Tanaka Y., Bock H.-H., Baba Y. (Red.) Data science, classification, and related methods. Tokyo: Springer Verlag. 52-62.boekdeel
  • Meulman J.J., Hubert L.J. & Heiser W.J. (1998), The Data Theory Scaling System. In: Rizzi A., Vichi M., Bock H.-H. (Red.) Advances in data science and classification. Berlin: Springer Verlag. 489-496.boekdeel
  • Heiser W.J. (1998), Redactielid Psychometrika 63.tijdschriftredactie
  • Heiser W.J. (1998), Redactielid Journal of Classification 15.tijdschriftredactie
  • Heiser W.J. (1998), Redactielid Applied Psychological Measurement 22.tijdschriftredactie
  • Heiser W.J. (21 november 1997), Lezing 4 (Lezing).overig
  • Heiser W.J. (4 september 1997), Lezing 3 (Lezing). Nijmegen.overig
  • Groenen P.J.F., Heiser W.J. & Meulman J.J. (16 augustus 1997), Iterative majorization in distance smoothing for multidimensional scaling to avoid local minima. (Lezing). Istanbul, Turkey.overig
  • Heiser W.J. (14 augustus 1997), Lezing 2 (Lezing). Neuchatel, Zwitserland.overig
  • Heiser W.J. (16 juli 1997), Lezing 7 (Lezing). Santiago de Compostela, Spanje.overig
  • Groenen P.J.F., Heiser W.J. & Meulman J.J. (16 juli 1997), Solving the local minimum problem in multidimensional scaling by distance smoothing. (Lezing). Santiago de Compostela, Spain.overig
  • Kooij A.J. van der & Heiser W.J. (16 juli 1997), Hierarchical GROUPALS: A simultaneous optimization method for hierarchical clustering using a minimum variance criterion, under optimal scaling of the variables. (Lezing). Santiago de Compostela, Spain.overig
  • Kroonenberg P.M. & Heiser W.J. (4 mei 1997), Parallel factor analysis with constraints: Recent developments (Lezing). Lake Chelan, WA, USA.overig
  • Kroonenberg P.M. & Heiser W.J. (4 mei 1997), Parallel factor analysis with constraints: Recent developments. Three-way methods in chemistry and Psychology (Lezing). Lake Chelan, WA.overig
  • Groenen P.J.F., Heiser W.J. & Meulman J.J. (12 maart 1997), City-block scaling: Smoothing strategies for avoiding local minima. (Lezing). Potsdam, Germany.overig
  • Heiser W.J. & Meulman J.J. (21 februari 1997), Lezing 1 (Lezing). Pasadena, California, USA.overig
  • Heiser W.J. (16 februari 1997), Lezing 5 (Lezing). San Diego, CA, USA.overig
  • Kroonenberg P.M. & Heiser W.J. (1997), Parallel factor analysis with constraints: An overview. In: Hayashi C., Ohsumi N. (Red.) Data Science, Classification, and Related Methods. Tokyo: Springer. 587-597.boekdeel
  • Heiser W.J. & Groenen P.J.F. (1997), Cluster differences scaling with a within-cluster loss component and a fuzzy successive approximation strategy to avoid local minima., Psychometrika 62(11): 63-83.artikel in tijdschrift (refereed)
  • Heiser W.J. & Bennani M. (1997), Triadic distance models for triadic dissimilarity data., Journal of Mathematical Psychology 41(18): 189-206.artikel in tijdschrift (refereed)
  • Meulman J.J. & Heiser W.J. (1997), Visual display of interaction in multi-way contingency tables by use of homogeneity analysis: The 2 x 2 x 2 case.. In: Greenacre M., Blasius J. (Red.) Visualization of Categorical Data. New York, USA: Academic Press. 277-296.boekdeel
  • Heiser W.J. & Meulman J.J. (1997), Nonlinear multivariate analysis: Overview and recent advances.. In: Ato Garcia M., Lopez Pina J.A. (Red.) Actas del IV Congreso de Methodologia de las Ciencias del Comportamiento. Murcia, Spanje: Servicio de Publicaciones de la Universidad de Murcia. 15-32.boekdeel
  • Busing F.M.T.A., Commandeur J.J.F. & Heiser W.J. (1997), PROXSCAL: A multidimensional scaling program for individual differences scaling with constraints.. In: Bandilla W., Faulbaum F. (Red.) Softstat'97: Advances in Statistical Software, Vol 6. Stuttgart, Duitsland: Lucius & Lucius. 67-74.boekdeel
  • Heiser W.J. & Meulman J.J. (1997), Representation of binary multivariate data by graph models using the Hamming metric. In: Wegman E., Azen S. (Red.) Computing Science and Statistics. Fairfax, VA, USA: Interface Foundation of North America. 517-525.boekdeel
  • Heiser W.J. (1997), Redactielid Psychometrika 62.tijdschriftredactie
  • Heiser W.J. (1997), Redactielid Journal of Classification 14.tijdschriftredactie
  • Heiser W.J. (1997), Redactielid Applied Psychological Measurement 21.tijdschriftredactie
  • Meulman J.J. & Heiser W.J. (1997), Graphical display of interaction in multiway contingency tables by use of homogeneity analysis.. In: Greenacre M., Blasius J. (Red.) Visual Display of Categorical Data.. New York: Academic Press. 277-296.boekdeel
  • Groenen P.J.F., Heiser W.J. & Meulman J.J. (1997), City-block scaling: Smoothing strategies for avoiding local minima.. onbekend: SW Datatheorie.rapport
  • Groenen P.J.F., Heiser W.J. & Meulman J.J. (1997), Global optimization in least-squares multidimensional scaling by distance smoothing.. onbekend: SW Datatheorie.rapport
  • Busing F.M.T.A., Commandeur J.J.F. & Heiser W.J. (1997), PROXSCAL: A multidimensional scaling program for individual differences scaling with constraints. In: Bandilla W., Faulbaum F. (Red.) Advances in Statistical Software 6. Stuttgart: Lucius & Lucius. 67-73.boekdeel
  • Heiser W.J. & Meulman J.J. (1997), Nonlinear Multivariate Analysis: Overview and recent advances. In: Ato Garcia M., Lopez Pina J.A. (Red.) IV Simposio de Metodologia de las Ciencias del Comportamiento. Murcia: Servicio de Publicaciones, Universidad. 15-32.boekdeel
  • Heiser W.J. & Meulman J.J. (1997), Representation of binary multivariate data by graph models using the Hamming metric. In: Wegman E., Azen S. (Red.) Computing Science and Statistics. Fairfax, VA: Interface Foundation of North America Inc.. 517-525.boekdeel
  • Heiser W.J. & Groenen P.J.F. (1997), Cluster differences scaling with a within-cluster loss component and fuzzy successive approximation strategy to avoid local minima, Psychometrika 62: 63-83.artikel in tijdschrift (refereed)
  • Tijssen R.J.W., Raan A.F.J. van, Heiser W.J. & Wachmann L. (1990), Integrating multiple sources of information in literature-based maps of science, Journal of Information Science 16(4): 217-227.artikel in tijdschrift (refereed)

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