find unique values in a column pandas code example
Example 1: how to get distinct value in a column dataframe in python
df.column.unique()
Example 2: pandas unique values in column
df.name.unique()
Example 3: unique values in dataframe colume
df['Column_name'].value_counts()
Example 4: 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 1
Example 5: dataframe unique values in each column
for col in df:
print(df[col].unique())
Example 6: how to count unique values in a column dataframe in python
dataframe.column.nunique()