pandas count rows in column
>>> df.count(axis='columns')
0 3
1 2
2 3
3 3
4 3
dtype: int64pandas count rows in column
>>> df.count(axis='columns')
0 3
1 2
2 3
3 3
4 3
dtype: int64python count variable and put the count in a column of data frame
df['freq'] = df.groupby('myvar')['myvar'].transform('count')Copyright © 2021 Codeinu
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