Methodology and Statistics focuses on the development, evaluation and application of statistical models for the analysis of psychological research data.

Are you thinking about studying Methodology and Statistics in Psychology? Learn more and watch the videos.

In the specialisation Methodology and Statistics, part of the Master in Psychology, you will focus on in-depth study of statistical theory and research methodology as well as on the acquisition of data analysis skills.

The Graduate School of Social and Behavioural Sciences in collaboration with the Department of Methodology and Statistics and researchers in the field of Methodology and/or Statistics of the other Institutes provides training courses for PhD candidates and other researchers.

The research programme Statistical Science is concerned with the analysis and interpretation of masses of data, the quantification of uncertainty using probability models, and the development and benchmarking of algorithms and methods with these aims.

The Statistics group is responsible for research and teaching in statistics and data science.

Promotores: J.C. van Houwelingen, S.A. van de Geer

Peter Grunwald

The master’s programme Statistics & Data Science provides students with a thorough introduction to the general philosophy and methodology of statistical modelling and data analysis. The programme has two specialisations: Data Science and Statistical Science.

The programme group Research Methods and Statistics develops and teaches the large majority of methodological courses in all phases of the program Education and Child Studies.

Welcome to StatiCS: the Statistical Consultation Service. The goal of the service is to provide statistical support to PhD candidates and other researchers.

Systems with local constraints is a new finding in recent researches on complex systems. The heterogeneous spatial interactions and the temporal dependencies among those numerous units make it difficult to describe by traditional statistical physics.

The programme group Research Methods and Statistics offers methodological support in many projects in the field of education and child studies.

The Leiden University Center for Statistical Science unites the statisticians teaching and researching at Leiden University.

This dissertation focuses on developing new mathematical and statistical methods to properly represent time-varying covariates and model them within the context of time-to-event analysis.

PhD candidates carry out a programme of independent research, leading to a PhD thesis in typically 4 years.

On February 15th 2018 former students in Methodology & Statistics (M&S) of Leiden University share their current and previous professional activities to provide M&S students an insight into their career perspectives.

Developing and investigating statistical methods for complex data and models

Are you thinking about studying Statistics and Data Science? Learn more and watch the introduction video.

CADS researchers give methodology their own unique signature through two parallel engagements: (a) teaching and researching the full range of social science methods, from audio-visual engagements, through global ethnography, to statistical analysis; and (b) interrogating these multiple modalities employing…

Promotor: R.D. Gill, F. Taroni

How does the cluster bootstrap procedure in combination with various types of linear models perform in the analysis of longitudinal data, compared to other methods.

This thesis develops statistical methods for the analysis of high dimensional data: high dimensional networks reconstruction (Chapters 1-4), incorporation of prior information in networks reconstruction (Chapters 2-4), incorporation of prior knowledge in genetic association studies (Chapter 3).

Explaining treatment response variability between and within patients can support treatment and dosing optimization, to improve treatment of individual patients.

In this thesis, we examine various systems through the lens of several numerical methods.

During my PhD research, I studied the photon statistics of light emitted by a microcavity that contains a single quantum dot (QD) on resonance.

Promotor: Prof.dr. G.R. de Snoo

The programme group Research Methods and Statistics offers support to researchers from a variety of research projects within Education and Child Studies.

What is the best way to combine the environmental and economic data and how can we create an operational system to do so, thereby supporting the delivery of data to the Data centres on Products and Resources?

Promotor: A.W. van der Vaart

The Department of Methodology and Statistics proudly celebrates the remarkable achievements of two award winners

Carbohydrates, alongside proteins and nucleic acids, constitute a crucial and versatile family of biomolecules present in all life forms. They manifest as monosaccharides, oligosaccharides, and polysaccharides, covalently bonded to proteins and fats. Carbohydrates are integral to plant and arthropod…

Promotor: P.D. Grünwald

This programme video is presented in Dutch

Data science is now growing fast in many places, but scholars at Leiden University have been developing data science techniques for a long time already. Thanks to their broad-based expertise, Leiden statisticians are currently combining the achievements in statistics with the latest methods of statistical…

Netherlands Statistics (CBS), Leiden University and the University of Amsterdam have started a collaboration in the form of a research project titled 'Enriching official economic statistics using data-driven modelling techniques'.

Promotor: R. Gill, Co-promotor: P. Massart

Practical applications for the reconstruction of the past

Voor zowel archeologen, paleontologen en geologen als vrijwilligers in de archeologie en paleontologie is het geen verrassing meer dat op de stranden van de Nederlandse kust fraaie vondsten gedaan kunnen worden. Vele artikelen, boeken, tentoonstellingen, congressen, lezingen, ‘zoekdagen’, krantenberichten,…

Electoral Systems and Turnout: Evidence From a Regression Discontinuity Design. In this article, published on the website SAGE research methods, authors Jaroslaw Kantorowicz and Tobias M. Hlobil discuss how a Regression Discontinuity Design can be executed.

Novel methods for understanding key aspects that are essential to the future of Bayesian inference for high- or infinite-dimensional models and data.

With the growth of cybercrime in recent years, there is an urgency to gain insight into the money laundering process and the actors involved. This study focusses on the money laundering process and maps the actors involved in banking malware and ransomware.

On 2 September 2021, Gert Jan Geertjes defended his thesis 'Staatsrecht en conventie in Nederland en het Verenigd Koninkrijk'. The doctoral research was supervised by Prof. L.F.M. Verhey and Prof. W.J.M. Voermans.

Denk je erover om Journalistiek en Nieuwe Media te studeren? Leer meer over deze master en bekijk onderstaande introductievideo.

Vandaag de dag liggen statistische methodes aan de grondslag van beslissingen in allerlei facetten van het leven, van de gezondheidszorg en agricultuur tot de financiële sector en marketing.

Many stimulating philosophical analyses have been written on contemporary technology; this book examines on the contrary how changes in contemporary technological environment have been reflected onto philosophy itself. The book shows how technological changes have marked a number of key concepts of…

Are you thinking about studying Criminologie en Veiligheidsbeleid? Learn more and watch the videos. Please note that this programme is taught in Dutch.

On 3 November 2021, Lucas Noyon defended the thesis 'Strafrecht en publieke opinie'. The doctoral research was supervised by Prof. J.H. Crijns and Prof. J.W. de Keijser.