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 1count unique values in excel based on a column condition
=SUM(--(LEN(UNIQUE(FILTER(B6:B15,(C6:C15=H6)*(D6:D15="june"),"")))>0))Copyright © 2021 Codeinu
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