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.
Learn how to create, store and reshape longitudinal data. Moving from wide to long data format and back using R.
Great conversation with Leanpub co-founder Len Epp for the Frontmatter podcast about my background, survey research and longitudinal data analysis.
Learn how to explain change in time using time constant predictors using the multilevel model. Examples with real data and R code
Learn how to model non-linear change in time using the multilevel model for change in R. Hands on tutorial with real data.
Full list of summer schools covering statistics, data science and data collection. Find out dates, prices and courses on offer
Join the 4th Mobile Apps and Sensors in Surveys workshop to learn about the state of the art research in surveys, apps and digital trace data.
Learn how to investigate the causal direction of two variables using the cross-lagged model and longitudinal data.
New research comparing the measurement quality in probability and non-probability panels in Germany and Australia.
We show how adaptive designs can be used in the context of longitudinal surveys to maximize response rates and minimize selection bias.
This event will be exploring how combining probability and non-probability data can help improve causal inference and population estimate.