`pandas` does not do this. Instead of using `pd.merge` you could have used a DataFrame merge and in fact just like `polars` constructed a single expression to do the same thing.
`pandas` does not do this. Instead of using `pd.merge` you could have used a DataFrame merge and in fact just like `polars` constructed a single expression to do the same thing.
CTO, Data Scientist & Chartered Engineer (MEng CEng EUR ING MRAeS) with over 20 years experience in the Aerospace, Rail & Energy Industry.