Data structures for longitudinal analysis: wide versus long
Learn how to create, store and reshape longitudinal data. Moving from wide to long data format and back using R.
Interview for Frontmatter podcast discussing survey research and longitudinal data analysis
Great conversation with Leanpub co-founder Len Epp for the Frontmatter podcast about my background, survey research and longitudinal data analysis.
Explaining change in time using multilevel models and time constant predictors
Learn how to explain change in time using time constant predictors using the multilevel model. Examples with real data and R code
Estimating non-linear change in time using the multilevel model for change
Learn how to model non-linear change in time using the multilevel model for change in R. Hands on tutorial with real data.
Summer schools in applied statistics and survey methodology 2023
Full list of summer schools covering statistics, data science and data collection. Find out dates, prices and courses on offer
Understanding causal direction using the cross-lagged model
Learn how to investigate the causal direction of two variables using the cross-lagged model and longitudinal data.
Summer schools in applied statistics and survey methodology 2022
A complete list of summer schools in statistics and survey methodology in Europe. Learn how to collect and analyse data this summer!
Estimating change in time. Comparing the multilevel model for change with the Latent Growth Model
Learn how the multilevel model for change and the latent growth models are different and when to use each one.
Estimating non-linear change with Latent Growth Models in R
Learn how to estimate and visualize nonlinear Latent Growth Models (LGM) using R and real world longitudinal data
Estimating multilevel models for change in R
Learn how to analyze longitudinal data using multilevel model for change with R. Real world data and syntax.