Willem Heiser
Professor emeritus
- Name
- Prof.dr. W.J. Heiser
- Telephone
- +31 71 527 2727
- heiser@fsw.leidenuniv.nl
Short CV
Prof. Willem Heiser is Professor Emeritus in Psychology, Methodology and Statistics at the Leiden Faculty of Social and Behavioural Sciences. Also, he is Professor Emeritus in Data Theory at the Leiden Faculty of Science.
Research
Heiser focuses on what causes the methodology to become a unified subject and on the history of statistics and probability theory. His research covers the multivariate analysis, multidimensional scaling techniques, and methods for classification.
Professor emeritus
- Faculteit der Sociale Wetenschappen
- Faculteitsbureau
- Emeriti FSW
Professor emeritus Data theory
- Science
- Mathematisch Instituut
- Mathematisch Instituut
- Schie C.C. van, Chui-De Chiu, Rombouts S.A.R.B., Heiser W.J. & Elzinga B.M. (2022), Finding a positive me: affective and neural insights into the challenges of positive autobiographical memory reliving in borderline personality disorder, Behaviour Research and Therapy 158: 104182.
- Yuan B., Heiser W. & Rooij M. de (2021), A comparison of two dissimilarity functions for mixed-type predictor variables in the δ-machine, Advances in Data Analysis and Classification : .
- Schie C.C. van, Chui-De C., Rombouts S.A.R.B., Heiser W.J. & Elzinga B.M. (2020), Stuck in a negative me: fMRI study on the role of disturbed self-views in social feedback processing in borderline personality disorder, Psychological Medicine 50(4): 625-635.
- Yuan B., Heiser W. & Rooij M. de (2019), The δ-Machine: Classification Based on Distances Towards Prototypes, Journal of Classification 36(3): 442-470.
- Van Schie C.C., Chui-De C., Rombouts S.A.R.B., Heiser W.J. & Elzinga B.M. (2019), When I relive a positive me: Vivid autobiographical memories facilitate autonoetic brain activation and enhance mood, Human Brain Mapping 40(16): 4859-4871.
- Feijt A.A., Mol S.E., Espin C.A., d'Ambrosio A. & Heiser W.J. (2019), Instructional factors that influence learning from university lectures: Opinions of students with and without disabilities. 1st SRLD Conference, Padua. 1st SRLD Conference 7 June 2019 - 8 June 2019.
- Wijsen L.D., Borsboom D., Cabacao T. & Heiser W.J. (2019), An Academic Genealogy of Psychometric Society Presidents, Psychometrika 84(2): 562-588.
- D'Ambrosio A. & Heiser W.J. (2019), A distribution-free soft-clustering method for preference rankings, Behaviormetrika 46(2): 333-351.
- Meijer E., Cleiren P.H.D., Dusseldorp E., Buurman V.J.C., Hogervorst R.M. & Heiser W.J. (2019), Cross-Validated Prediction of Academic Performance of First-Year University Students: Identifying Risk Factors in a Nonselective Environment, Educational Measurement: Issues and Practice 38(1): 36-47.
- Moormann P.P., De Gucht V., Heiser W. & Bermond B. (2018), The impact of alexithymia types on somatisation when controlling for gender and psychological distress. In: Teixeira R.J., Bermond B. & Moormann P.P. (Eds.), Current Developments in Alexithymia, a Ccognitive and Affective Deficit.. New York: Nova Science Publishers. 219-237.
- Van Schie C.C., Chiu C., Rombouts S.A.R.B., Heiser W.J. & Elzinga B.M. (2018), When compliments do not hit but critiques do: an fMRI study into self-esteem and self-knowledge in processing social feedback, Social Cognitive and Affective Neuroscience 13(4): 404-417.
- 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.
- 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.
- 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.
- Fagginger Auer M.F., Hickendorff M., Putten C.M. van, 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.
- 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.
- 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.
- 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 . Annual meeting of the Psychometric Society 22 July 2014 - 27 July 2014.
- 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.
- 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.
- 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 . 25th Anniversary jubilee meeting of the VOC (Dutch Classification Society) 6 November 2014 - 7 November 2014.
- 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. Dagstuhl Seminar "Preference Learning". 3 March 2014 - 7 March 2014.
- Heiser W.J. (2014), Editorial, Journal of Classification 31(3): 273.
- 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.
- Heiser W.J. (2014), Editorial, JOURNAL OF CLASSIFICATION 31(2): 135.
- Heiser W.J. (2013), In memoriam J. Douglas Carroll, Psychometrika 78(1): 5-13.
- Heiser W.J. (Ed.) (2013), . JOURNAL OF CLASSIFICATION.
- Heiser W.J. (2013), A chorus line how Psychology in Leiden turned west. In: Holsteyn J. van, Mom R., Smit I., Tromp H. & Wolters G. (Eds.), Perspectives on the past: 50 year of FSW. Utrecht: Biblioscope. 22-41.
- Heiser W.J. & D'Ambrosio A. (2013), Clustering and prediction of rankings within a Kemeny distance framework. In: Lausen B., Poel D. van den & Ultsch A. (Eds.), Algorithms from and for nature and life. Studies in classification, data analysis and knowledge organization: Springer International Publishing Switzerland. 19-31.
- 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.
- 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.
- Heiser W.J. (Ed.) (2013), . JOURNAL OF CLASSIFICATION.
- Heiser W.J. (2013), A chorus line: Hoe de psychologie in Leiden westwaarts keerde. In: Holsteyn J. van, Mom R., Smit I., Tromp H. & Wolters G. (Eds.), Vensters op het verleden: 50 jaar FSW.. Utrecht: Biblioscope. 22-41.
- 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.
- Heiser W.J. & D'Ambrosio A. (2013), Clustering and prediction of rankings within a Kemeny distance framework. In: Lausen B., Poel D. van den & Ultsch A. (Eds.), Algorithms from and for nature and life. Studies in classification, data analysis and knowledge organisation: Springer International Publishing Switzerland.. 19-31.
- Heiser W.J. (Ed.) (2012), Editor Journal of Classification. Journal of Classification.
- Heiser W.J. (2012), J. Douglas Carroll 1939-2011 In Memoriam, Journal of Classification 29(3): 263-276.
- Polak M.G., Rooij M.J. de & 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.
- 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.
- Meulman J.J. & Heiser W.J. (2012), SPSS Categories 20.0. Chicago, USA: SPSS Inc..
- Spinhoven P., Rooij M.J. de, 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.
- Heiser W.J. (Ed.) (2011), . Applied Psychological Measurement.
- Heiser W.J. (Ed.) (2011), . Journal of Classification.
- Heiser W.J. (Ed.) (2011), . Measurement: Interdisciplinary Research and Perspectives.
- 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.
- 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.
- 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.
- 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.
- Heiser W.J. & Warrens M.J. (2010), Families of relational statistics for 2X2 tables. In: Kaul H. & Mulder H.M. (Eds.), Advances in Interdisciplinary Applied Discrete Mathematics. Singapore: World Scientific. 25-52.
- Heiser W.J. (Ed.) (2009), . Measurement: Interdisciplinary Research and Perspectives.
- 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 & Data Analysis 53: 3231-3244.
- 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.
- 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.
- Warrens M.J. & Heiser W.J. (2009), Diagnostics for regression dependence in tables re-ordered by the dominant correspondence analysis solution, Computational Statistics & Data Analysis 53: 3139-3144.
- 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 & Data Analysis 53: 3117-3128.
- 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.
- 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.
- Heiser W.J. (Ed.) (2009), . Journal of Classification.
- Heiser W.J. (Ed.) (2009), . Applied Psychological Measurement.
- 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.
- Heiser W.J. (Ed.) (2008), . Applied Psychological Measurement.
- Heiser W.J. (Ed.) (2008), . Journal of Classification.
- De Gucht V.M.J., 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.
- De Jong K., 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, Engaging Science, Technology, and Society 36: 35-45.
- 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. (Eds.), New trends in psychometrics.. Tokio: University Academic Press. 107-110.
- De Jong K., 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.
- Hickendorff M., Heiser W.J., Van Putten C.M. & Verhelst N.D. (2008), Clustering nominal data with equivalent categories, Behaviormetrika 35(1): 35-54.
- Heiser W.J. (Ed.) (2008), . Measurement: Interdisciplinary Research and Perspectives.
- 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.
- 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.
- Warrens M.J. & Heiser W.J. (2007), Robinson Cubes. In: Brito P., Bertrand P., Cucumel G. & Caravalho F. de (Eds.), Studies in Classification, Data Analysis, and Knowledge Organization, Vol. 9: Selected contributions in data analysis and classification.. Berlin: Springer. 515-523.
- 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.
- Gravely-Witte S., De Gucht V.M.J., 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.
- De Jong K., 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.
- 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 (Eds.), Knowledge in Ferment. Dilemmas in science, scholarship and society. Leiden: Leiden University Press. 71-83.
- Frank L.E. & Heiser W.J. (2007), Estimating standard errors in feature network models, British Journal of Mathematical and Statistical Psychology 60: 1-28.
- 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.
- 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.
- 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.
- Heiser W.J. (2006), Editorial, Journal of Classification 23(2): 173-173.
- Heiser W.J. (2006), Editorial, JOURNAL OF CLASSIFICATION 23(1): 1-2.
- Heiser W.J. (Ed.) (2006), . Measurement: Interdisciplinary Research and Perspectives.
- Heiser W.J. (Ed.) (2006), . Journal of Classification.
- Kooij A.J. van der, Meulman J.J. & Heiser W.J. (2006), Local minima in categorical multiple regression, Computational Statistics & Data Analysis 50: 446-462.
- Heiser W.J. (2006), Measurement without copper instruments and experiment without complete control, Psychometrika 71: 457-461.
- Warrens M.J. & Heiser W.J. (2006), Scaling Unidimensional Models with Multiple Correspondence Analysis. In: Greenacre M. & Blasius J. (Eds.), Multiple Correspondence Analysis and Related Methods. London: Chapman & Hall/CRC. 219-235.
- Heiser W.J. (Ed.) (2006), . Applied Psychological Measurement.
- 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.
- 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.
- Heiser W.J. (Ed.) (2005), . Journal of Classification.
- Kooij A.J. van der, Meulman J.J. & Heiser W.J. (2005), Local minima in categorical multiple regression, Computational Statistics & Data Analysis : 446-462.
- Meulman J.J. & Heiser W.J. (2005), SPSS Categories 14.0 - CD Rom. Chicago: SPSS Inc..
- 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.
- 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.
- 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.
- Heiser W.J. (Ed.) (2005), . Applied Psychological Measurement.
- Heiser W.J. (2005), Editorial, JOURNAL OF CLASSIFICATION 22(2): 147-148.
- Heiser W.J. (2005), Editorial, JOURNAL OF CLASSIFICATION 22(1): 1-2.
- 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.
- 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.
- 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.
- Heiser W.J. & Busing F.M.T.A. (2004), Multidimensional scaling and unfolding of symmetric and asymmetric proximity relations. In: Kaplan D. (Ed.), The SAGE Handbook of Quantitative Methodology for the Social Sciences. Thousand Oaks, CA: Sage. 25-48.
- Heiser W.J. (2004), Editorial, Journal of Classification 21(1): 1-1.
- Heiser W.J. (2004), Editorial, JOURNAL OF CLASSIFICATION 21(2): 163-164.
- Heiser W.J. (2004), Geometric representation of association between categories, Psychometrika 69: 513-546.
- De Gucht V.M.J., 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.
- De Gucht V.M.J., 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.
- 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. (Ed.), The Sage Handbook of Quantitative Methodology for the Social Sciences. Thousand Oaks, CA: Sage Publications. 49-70.
- Meulman J.J. & Heiser W.J. (2004), SPSS Categories 13.0. Chicago, Illinois: SPSS Inc..
- Heiser W.J. (Ed.) (2003), . Applied Psychological Measurement.
- 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. (Eds.), New Developments in Psychometrics. Tokyo: Springer Verlag. 487-494.
- Heiser W.J. (2003), Barycentric representation of profiles in correspondence analysis: Some new results. In: Dodge Y. & Melfi G. (Eds.), Méthodes et Perspectives en Classification - Comptes rendus des 10èmes Rencontres de la Société Francophone de Classification. Neuchâtel Suisse: PAN. 21-22.
- 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. (Eds.), New Developments in Psychmetrics. Tokyo: Springer Verlag. 33-44.
- Heiser W.J. (2003), Editorial, Journal of Classification 20(1): 1-1.
- Heiser W.J. (2003), Trust in relations, Measurement: Interdisciplinary Research and Perspectives 1: 264-269.
- 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. (Eds.), New Developments in Psychometrics. Tokyo: Springer Verlag. 511-518.
- De Gucht V.M.J., 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.
- De Gucht V.M.J. & Heiser W.J. (2003), Alexithymia and somatisation: A quantitative review of the literature, Journal of Psychosomatic Research 54: 425-434.
- Heiser W.J. (2003), Editorial, Journal of Classification 20(2): 139-140.
- 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. (Eds.), New Developments in Psychometrics. Tokyo: Springer Verlag. 487-494.
- Heiser W.J. (Ed.) (2003), . Journal of Classification.
- Heiser W.J. (Ed.) (2003), . Measurement: Interdisciplinary Research and Perspectives.
- Frank L.E. & Heiser W.J. (2002), Stability of feature network models for proximity data. [other].
- Heiser W.J. (Ed.) (2002), . Applied Psychological Measurement.
- Heiser W.J. (Ed.) (2002), . Journal of Classification.
- 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. (Eds.), MDS and Cluster analysis for big sets of dissimilarity data. Heidelberg: Heidelberg: Physika Verslag. 54-55.
- Heiser W.J. (2002), Editorial, Journal of Classification 19: 193-194.
- 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. (Eds.), New developments in Psychometrics. Tokyo: Springer Verlag. 487-494.
- De Gucht V.M.J., Fischler B. & Heiser W.J. (2002), Neuroticism, alexithymia, negative affect, and positive affect as determinants of medically unexplained symptoms, Abstract book of the 16th Conference of European Health Psychology Society, Lisbon, Portugal. 184-185.
- 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. (Eds.), New develpments in Psychometrics. Tokyo: Springer. 511-518.
- Heiser W.J. & Busing F.M.T.A. (6 August 2001), The IM Algorithm for Sparse MDS Data: Some Initial Experiences. Invited paper presented at DIMACS Workshop on Algorithms for Multidimensional Scaling.. Piscataway, NJ, USA, 6-10 August, 2001. [lecture].
- Heiser W.J. (Ed.) (2001), . Applied Psychological Measurement.
- Heiser W.J. (2001), Correspondence Analysis. Smelser N.J. & Baltes P.B. (Eds.), International Encyclopedia of the Social & Behavioral Sciences.. . Oxford: Pergamon. 2820-2824.
- Heiser W.J. (Ed.) (2001), . Journal of Classification.
- Hubert L.J., Meulman J.J. & Heiser W.J. (2000), Two purposes for matrix factorization: A historical appraisal, SIAM Review 42(1): 68-82.
- 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.
- Heiser W.J. (Ed.) (2000), . Journal of Classification.
- Heiser W.J. (2000) What is Random?. Review of: Beltrami E. (2000), What is random? Chance and Order in Mathematics and Life. New York: Copernicus. Kwantitatieve Methoden 21: 144-145.
- 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.
- Kolck M. van, Rooij M.J. de & Heiser W.J. (2000), Multidimensional scaling of loglinear parameters: The best transformation. Garnefski N. & Prins F. (Eds.), Coping with Psychology, Vol. I. . Leiden, The Netherlands: Department of Psychology. 117-136.
- Heiser W.J. (Ed.) (2000), . Applied Psychological Measurement.
- 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.
- Rooij M.J. de & Heiser W.J. (2000), Three-way distance models and three-way association: a theoretical note. Leiden: Department of Psychology.
- Busing F.M.T.A., Heiser W.J., Neufeglise P. & Meulman J.J. (1999), PROXSCAL. Chicago (U.S.A.): SPSS Inc.. [other].
- Heiser W.J. (Ed.) (1999), . JOURNAL OF CLASSIFICATION.
- Heiser W.J. (Ed.) (1999), . Applied Psychological Measurement.
- Heiser W.J. (Ed.) (1999), . Psychometrika.
- 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.
- Meulman J.J. & Heiser W.J. (1999), Categories 10.0. Chicago (USA): SPSS Inc..
- Heiser W.J. (Ed.) (1998), . Psychometrika.
- 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. (Eds.), Classification, data analysis, and data highways. Berlin: Springer Verlag. 46-53.
- 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. (Eds.), Data science, classification, and related methods. Tokyo: Springer Verlag. 52-62.
- Heiser W.J. (Ed.) (1998), . Applied Psychological Measurement.
- Meulman J.J., Hubert L.J. & Heiser W.J. (1998), The Data Theory Scaling System. In: Rizzi A., Vichi M. & Bock H.-H. (Eds.), Advances in data science and classification. Berlin: Springer Verlag. 489-496.
- Heiser W.J. (1998) Biplots. Review of: Gower J.C. (1998), Book review of J.C. Gower's and D.J. Hand's Biplots. London: Chapman & Hall. Journal of Classification 15: 143-148.
- 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. (Eds.), Classification, Data Analysis and Data Highways. Berlin: Springer-Verlag. 46-53.
- Meulman J.J., Hubert L.J. & Heiser W.J. (1998), The Data Theory Scaling System. In: Rizzi A., Vichi M. & Bock H.H. (Eds.), Advances in Data Science and Classification. Berlin: Springer Verlag. 489-496.
- 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. (Eds.), Data science, classification, and related methods. Tokyo: Springer. 587-597.
- Heiser W.J. (Ed.) (1998), . Journal of Classification.
- Heiser W.J. & Meulman J.J. (1997), Representation of binary multivariate data by graph models using the Hamming metric. In: Wegman E. & Azen S. (Eds.), Computing Science and Statistics. Fairfax, VA: Interface Foundation of North America Inc.. 517-525.
- Heiser W.J. (Ed.) (1997), . Journal of Classification.
- Heiser W.J. & Bennani M. (1997), Triadic distance models for triadic dissimilarity data, Estudios Gerenciales 41(18): 189-206.
- Heiser W.J. & Meulman J.J. (1997), Nonlinear multivariate analysis: Overview and recent advances. In: Ato Garcia M. & Lopez Pina J.A. (Eds.), Actas del IV Congreso de Methodologia de las Ciencias del Comportamiento. Murcia, Spanje: Servicio de Publicaciones de la Universidad de Murcia. 15-32.
- 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.
- Heiser W.J. & Meulman J.J. (1997), Representation of binary multivariate data by graph models using the Hamming metric. In: Wegman E. & Azen S. (Eds.), Computing Science and Statistics. Fairfax, VA, USA: Interface Foundation of North America. 517-525.
- 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. (Eds.), Visualization of Categorical Data. New York, USA: Academic Press. 277-296.
- Kroonenberg P.M. & Heiser W.J. (1997), Parallel factor analysis with constraints: An overview. In: Hayashi C. & Ohsumi N. (Eds.), Data Science, Classification, and Related Methods. Tokyo: Springer. 587-597.
- Heiser W.J. (Ed.) (1997), . Applied Psychological Measurement.
- Heiser W.J. & Meulman J.J. (1997), Nonlinear Multivariate Analysis: Overview and recent advances. In: Ato Garcia M. & Lopez Pina J.A. (Eds.), IV Simposio de Metodologia de las Ciencias del Comportamiento. Murcia: Servicio de Publicaciones, Universidad. 15-32.
- Groenen P.J.F., Heiser W.J. & Meulman J.J. (1997), City-block scaling: Smoothing strategies for avoiding local minima. onbekend: SW Datatheorie.
- 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. (Eds.), Advances in Statistical Software 6. Stuttgart: Lucius & Lucius. 67-73.
- Groenen P.J.F., Heiser W.J. & Meulman J.J. (1997), Global optimization in least-squares multidimensional scaling by distance smoothing. onbekend: SW Datatheorie.
- 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. (Eds.), Visual Display of Categorical Data.. New York: Academic Press. 277-296.
- 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.
- 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. (Eds.), Softstat'97: Advances in Statistical Software, Vol 6. Stuttgart, Duitsland: Lucius & Lucius. 67-74.
- Heiser W.J. (Ed.) (1997), . Psychometrika.
- 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.