Pandas Cookbook

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There are alternative guidelines for ordering columns besides the simple suggestion mentioned earlier. Hadley Wickham's seminal paper on Tidy Data suggests placing the fixed variables first, followed by measured variables. As this data does not emanate from a controlled experiment, there is some flexibility in determining which variables are fixed and which ones are measured. Good candidates for measured variables are those that we would like to predict such as gross, the total revenue, or the imdb_score. For instance, in this ordering, we can mix discrete and continuous variables. It might make more sense to place the column for the number of Facebook likes directly after the name of that actor. You can, of course, come up ...