Difference between pivot and pivot_table. Why is only pivot_table working?

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For anyone who is still interested in the difference between pivot and pivot_table, there are mainly two differences:

  • pivot_table is a generalization of pivot that can handle duplicate values for one pivoted index/column pair. Specifically, you can give pivot_table a list of aggregation functions using keyword argument aggfunc. The default aggfunc of pivot_table is numpy.mean.
  • pivot_table also supports using multiple columns for the index and column of the pivoted table. A hierarchical index will be automatically generated for you.

REF: pivot and pivot_table

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