Page Not Found
Page not found. Your pixels are in another canvas.
Sitemap
A list of all the posts and pages found on the site. For you robots out there is an XML version available for digesting as well.
Pages
About me
About me
Page not in menu
This is a page not in th emain menu
Posts
portfolio
Portfolio item number 1
Short description of portfolio item number 1
Portfolio item number 2
Short description of portfolio item number 2
publications
Non-equivalent groups with covariates design using propensity scores for kernel equating
Published in Quantitative Psychology - 81st annual meeting of the psychometric society, 2017
Recommended citation: Wallin, G., Wiberg, M. (2017). "Non-equivalent groups with covariates design using propensity scores for kernel equating" In van der Ark, L., Wiberg, M., Culpepper, S. A., Douglas, J.A., & Wang, W-C. (Eds.) (2017). Quantitative Psychology: The 81st Annual Meeting of the Psychometric Society, Asheville, North Carolina, 2016. New York: Springer.
How to select the bandwidth in kernel equating
Published in Quantitative Psychology - 82nd annual meeting of the psychometric society, 2018
Recommended citation: Wallin, G., Häggström, J., & Wiberg, M. (2018). "How to select the bandwidth in kernel equating - An evaluation of five different methods." In Wiberg, M., Culpepper, S., Janssen, R., González, J., & Molenaar, D. (Eds.) (2018). Quantitative Psychology: The 82nd Annual Meeting of the Psychometric Society, Zurich, Switzerland, 2017. New York: Springer.
Kernel equating using propensity scores for nonequivalent groups
Published in Journal of Educational and Behavioral Statistics, 2019
Recommended citation: Wallin, G., and Wiberg, M. (2019). Kernel Equating Using Propensity Scores for Nonequivalent Groups. Journal of Educational and Behavioral Statistics. 44(4), 390-414.
Recommended citation: Wallin, G. & Wiberg, M. (2019). "Kernel equating using propensity scores for nonequivalent groups." Journal of Educational and Behavioral Statistics, 44(4), 390-414. https://journals.sagepub.com/doi/full/10.3102/1076998619838226
Model Selection for Presmoothing of Bivariate Score Distributions in Kernel Equating
Published in Quantitative Psychology - 84th annual meeting of the psychometric society, 2020
Recommended citation: Wallin, G., Häggström, J., & Wiberg, M. (2020). "Model Selection for Presmoothing of Bivariate Score Distributions in Kernel Equating." In Wiberg, M., Molenaar, D., González, J., Böckenholt, U. & Kim, J-S. (Eds.) (2020). Quantitative Psychology: The 84th Annual Meeting of the Psychometric Society, Santiago, Chile, 2019. New York: Springer.
Extensions of the Kernel Method of Test Score Equating. Statistical Studies
Published in Statistical Studies - Umeå University, 2020
Recommended citation: Wallin, G. (2020). "Extensions of the Kernel Method of Test Score Equating. Statistical Studies " Statistical Studies - Umeå University. https://umu.diva-portal.org/smash/get/diva2:1378833/FULLTEXT01.pdf
Equating Nonequivalent Groups using Propensity Scores - Model Misspecification and Sensitivity Analysis.
Published in Quantitative Psychology - 85th annual meeting of the psychometric society, 2021
Recommended citation: Wallin, G., Wiberg, M. (2021). "Equating Nonequivalent Groups using Propensity Scores - Model Misspecification and Sensitivity Analysis." In Wiberg, M., Molenaar, D., González, J., Böckenholt, U., & Kim, J-S. (Eds.) (2021). Quantitative Psychology: The 85th Annual Meeting of the Psychometric Society, Virtual, 2021. New York: Springer.
An Illustration on the Quantile-Based Calculation of the Standard Error of Equating in Kernel Equating
Published in Quantitative Psychology - 85th annual meeting of the psychometric society, 2021
Recommended citation: González, J., Wallin, G. (2021). "An Illustration on the Quantile-Based Calculation of the Standard Error of Equating in Kernel Equating." In Wiberg, M., Molenaar, D., González, J., Böckenholt, U., & Kim, J-S. (Eds.) (2021). Quantitative Psychology: The 85th Annual Meeting of the Psychometric Society, Virtual, 2021. New York: Springer.
How important is the choice of bandwidth in kernel equating?
Published in Applied Psychological Measurement, 2021
Recommended citation: Wallin, G., Wiberg, M. & Häggström, J. (2021). "How important is the choice of bandwidth in kernel equating?." Applied Psychological Measurement, 45(7-8), 518-535.
Equality of admission tests using kernel equating under the non-equivalent groups with covariates design
Published in International Journal of Assessment Tools in Education, 2021
Recommended citation: Altintas, Ö. & Wallin, G. (2021). "Equality of admission tests using kernel equating under the non-equivalent groups with covariates design." International Journal of Assessment Tools in Education, 8(4), 729-743.
Rotation to Sparse Loadings using L^p Losses and Related Inference Problems
Published in ArXiv, 2022
ArXiv link Accepted for publication in Psychometrika.
Recommended citation: Liu, X., Wallin, G., Chen, Y., & Moustaki, I. (2022). "Rotation to Sparse Loadings using L^p Losses and Related Inference Problems" ArXiv.
Model Misspecification and Robustness of Test Score Equating Using Propensity Scores
Published in ArXiv, 2022
Accepted for publication in Journal of Educational and Behavioral Statistics.
Recommended citation: Wallin, G., & Wiberg, M. (2023). "Rotation to Sparse Loadings using L^p Losses and Related Inference Problems".
talks
IMPS 2016
Published:
Propensity scores in kernel equating for non-equivalent groups.
Winter conference in statistics
Published:
Selecting bandwidths in kernel equating with different tests and test distributions.
NCME 2017
Published:
Bandwidth selection in kernel equating for tests of different length and distribution.
IMPS 2017
Published:
Optimal bandwidth selection in kernel equating for different test types.
FREMO 2018
Published:
Revisiting the Bahadur representation of sample quantiles for the standard error of kernel equating.
IMPS 2019
Published:
Revisiting the Bahadur representation of sample quantiles for the standard error of kernel equating.
Inria Seminar
Published:
Equating non-equivalent test groups using covariates.
IMPS 2020
Published:
Equating non-equivalent groups using propensity scores - Model misspecification and sensitivity analysis.
Computational Psychometrics Seminar
Published:
Equating non-equivalent test groups using covariates.
IMPS 2021
Published:
A model-based approach for simultaneous clustering of individuals and items.
Cramer Talk - Swedish Statistical Society
Published:
Test score equating of nonequivalent groups using propensity scores.
IMS 2022
Published:
Multivariate Outlier Detection: A Flexible Item Response Theory Modeling Approach
IMPS 2022
Published:
Two-Way Outlier Detection for Item Response Data
Seminar Series, Dept. of Educational Measurement, Umeå University
Published:
Cheating detection in educational testing
Seminar Series, Dept. of Statistics, Uppsala University
Published:
Model-based clustering of multivariate data using a hybrid factor model
Seminar Series, Institute of Computer Science, Czech Academy of Sciences
Published:
On multivariate outliers and latent DIF detection in educational testing.
teaching
ST109 - Elementary Statistical Theory I
BSc course, London School of Economics and Political Science, Department of Statistics, 2022
Michaelmas term 2022. Link here.
ST205 - Sample Surveys and Experiments
BSc course, London School of Economics and Political Science, Department of Statistics, 2022
Michaelmas term 2022. Link here.
MY455/MY555 - Multivariate Analysis and Measurement
MSc course, London School of Economics and Political Science, Department of Statistics, 2023
Lent term 2023. Link here.