我的代码在本节中停止:mode = lambda ts: ts.value_counts\Anaconda\lib\site-packages\pandas\core\groupby.py", line 2674, in aggregate
result = self.\site-packages\pandas\core\<em
A和B是非数字列。A和B列没有NaN Values.However,dataframe在其他列中有NaN值。/site-packages/pandas/core/groupby/generic.py in aggregate(self, func, engine, engine_kwargs, *args,/site-packages/pandas/core/base.py in _try_
和石斑鱼。\Python\Python38\lib\site-packages\pandas\core\resample.py", line 359, in _groupby_and_aggregate\Python38\lib\site-packages\pandas\core\groupby\generic.py", line 1172, in _aggregate_item_by_item\
pandas\core\groupby\groupby.py in mean(self, *args, **kwargs) 1223 nv.validate_groupby_func\Python38-32\lib\site-packages\pandas\core\groupby\groupby.py in _cython_agg_general(self,