In [88]: df
Out[88]:
a b c
0 2 3 3
1 1 1 2
2 7 7 8
In [89]: df.mode(axis=1)
Out[89]:
0
0 3
1 1
2 7
来自文档:
Gets the mode(s) of each element along the axis selected. Adds a row
for each mode per label, fills in gaps with nan.
Note that there could be multiple values returned for the selected
axis (when more than one item share the maximum frequency), which is
the reason why a dataframe is returned. If you want to impute missing
values with the mode in a dataframe df, you can just do this:
df.fillna(df.mode().iloc[0])
尝试.mode()方法:
来自文档:
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