count unique pandas
df['column'].nunique()values of unique from dataframe with count
data = df.groupby('ColumnName')['IDColumnName'].nunique()
print(data)unique values in dataframe column count
df.groupby('mID').agg(['count', 'size', 'nunique']).stack()
dID hID uID
mID
A count 5 5 5
size 5 5 5
nunique 3 5 5
B count 2 2 2
size 2 2 2
nunique 2 2 2
C count 1 1 1
size 1 1 1
nunique 1 1 1how to count unique values in a column dataframe in python
dataframe.column.nunique()pandas count distinct values in a column
Series.value_counts(self, normalize=False, sort=True, ascending=False, bins=None, dropna=True)Copyright © 2021 Codeinu
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