Changing data types of DataFrame columns to smaller data types can significantly reduce the memory usage of the DataFrame.
Instead of manually choosing smaller data types, is there a way that you can automatically change data types in one line of code?
That is when the df_shrink method of fastai comes in handy. In the code above, the memory usage of the DataFrame decreases from 200 bytes to 146 bytes,
Learn more about df_shrink here.
