In December 2019 my InfoWorld colleague Sharon Machlis wrote an article called “How to merge data in R using R merge, dplyr, or data.table.” Sharon is a whiz at R programming, and analytics in general ...

When it comes to working with data in a tabular form, most people reach for a spreadsheet. That’s not a bad choice: Microsoft Excel and similar programs are familiar and loaded with functionality for ...

Is your feature request related to a problem? I would like to be able to use pd.merge to replace or update the columns in the left dataset if non-key columns with the same names are being merged from ...

This is because DataFrame.query() calls DataFrame.eval() which in turn calls DataFrame._get_cleaned_column_resolvers(). The dict comprehension in DataFrame._get_cleaned_column_resolvers() was changed ...