Chapter 1 Workflow and Data Cleaning

Once the data are available from a study there are still a number of steps that must be undertaken to get them into shape for analysis.

One of the most misunderstood parts of the analysis process is the data preparation stage. To say that 70% of any analysis is spent on the data management stage is not an understatement.

This chapter provides information on topics related to data processing and corresponds to PMA6 Chapter 3.