![]() ![]() For categorical variables: If coded numerically, the numeric codes and what they representĬodebooks can also contain documentation about when and how the data was created.For scale variables: The variable's units of measurement.numeric, string how many characters wide it is how many decimal places it has) How the variable was actually recorded in the raw data (i.e.What the variable represents (i.e., its label).A codebook is a document containing information about each of the variables in your dataset, such as: ![]()
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