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About the Book
Longitudinal data is essential for understanding the world around us. It allows us to investigate change in time and get better causal estimates. Nevertheless, this type of data is also more complex, making it difficult to manipulate, explore, and analyse.
This book covers all the key skills needed for working with longitudinal data using a hands-on approach and real-world data. To ensure a good foundation, it starts by introducing the basics of R, regression modelling, path analysis and the key concepts of longitudinal data. It then covers how to efficiently prepare longitudinal data by importing, recoding and reshaping data. This is followed by a comprehensive introduction to data exploration using tables, summary statistics and visualisations. The book also offers an in-depth guide to state-of-the-art statistical models for the analysis of longitudinal data, such as the multilevel model for change, the latent growth model and the cross-lagged model. Finally, it discusses practical challanges to doing longitudinal analysis such as missing data, measurement error, presenting results and following a reproducible workflow.
About the Author
Alexandru Cernat is an Associate Professor at the University of Manchester, specialising in collecting and analysing longitudinal data.
Over the past decade, he has published over 50 papers and book chapters using advanced statistical models to investigate how people and societies change.
He has extensive experience teaching survey methodology and longitudinal data analysis to researchers and practitioners worldwide, including for organisations such as the European Survey Research Association, the Social Research Association, GESIS, Essex Summer School and the International Program in Survey and Data Science.
He is also the founder of longitudinalanalysis.com, a platform developed to help researchers and analysts learn how to collect, clean, and analyse longitudinal data with confidence.