FAQ: Working with Multiple DataFrames - Left and Right Merge

This community-built FAQ covers the “Left and Right Merge” exercise from the lesson “Working with Multiple DataFrames”.

Paths and Courses
This exercise can be found in the following Codecademy content:

Data Science

Data Analysis with Pandas

FAQs on the exercise Left and Right Merge

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Why does only one row switch to float and it’s different on each table?

3 Likes


why there is integers in left column and float in right?

1 Like

and for @code1758505808

null value NaN in pandas are float and that is the reason why in column with NaN, integer are converted to float.