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Month: January 2024

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Longitudinal data / R

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.

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  • Understanding the Measurement Quality in Smartphone Usage: Surveys vs. Digital Trace Data
  • Data structures for longitudinal analysis: wide versus long
  • Interview for Frontmatter podcast discussing survey research and longitudinal data analysis
  • Explaining change in time using multilevel models and time constant predictors
  • Estimating non-linear change in time using the multilevel model for change

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