'Multilength array of array based on dataframe values
I've got say a 'theoretical' dataset with multiple occurrences of different ids. For example, 191 (three times); 192 (11 times); 193 (4 times) and etc. I just want to convert this dataframe column to an array of arrays of different length using numpy. I know that there is a .reshape() method that returns arrays of fixed length, but this kinda conditional shape formatting is out of the scope of my knowledge.
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