find all unique values in a column pandas code example

Example 1: pandas unique values in column

#List unique values in the df['name'] column
df.name.unique()

Example 2: pandas count the number of unique values in a column

df['hID'].nunique()
5

Example 3: unique values in dataframe colume

df['Column_name'].value_counts()

Example 4: dataframe unique values in each column

for col in df:
    print(df[col].unique())

Example 5: how to count unique values in a column dataframe in python

dataframe.column.nunique()

Example 6: dataframe python unique values rows

# get the unique values (rows)
df.drop_duplicates()