Github user citoubest commented on the issue:
https://github.com/apache/spark/pull/15135
with pandas, the param for agg is the function not a str (function names).
In [13]: df
Out[13]:
a b c d
0 0.068300 0.263883 0.237335 1
1 0.226992 0.573966 0.954791 2
2 0.907550 0.930591 0.886454 1
3 0.178581 0.440734 0.414763 2
In [14]: df.groupby('d').agg([max,min])
Out[14]:
a b c
max min max min max min
d
1 0.907550 0.068300 0.930591 0.263883 0.886454 0.237335
2 0.226992 0.178581 0.573966 0.440734 0.954791 0.414763
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