CLiREN-LMS
Data Cleaning and Preparation in R

The Purpose of Data Cleaning and Preparation

Learning Outcomes

30-45 minutes Applied Step 2 of 23
Outcomes

Learning Outcomes

2 / 23
  • Explain why data cleaning begins before the end of data collection.
  • Distinguish data cleaning from broader data preparation activities.
  • Differentiate raw data, cleaned data, analysis-ready data, derived variables, query outputs, and cleaning logs.
  • Describe why raw exports should be preserved and not manually overwritten.
  • Explain how R can support reproducible checks, query listings, and analysis preparation.