get list of unique values in pandas column
a = df['column name'].unique() #returns a list of unique valuesget list of unique values in pandas column
a = df['column name'].unique() #returns a list of unique valueshow to get distinct value in a column dataframe in python
df.column.unique()dataframe unique values in each column
for col in df:
print(df[col].unique())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()count unique values pandas
df['hID'].nunique()
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