python dataframe unique values code example

Example 1: pandas unique values in column

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

Example 2: unique values in dataframe colume

df['Column_name'].value_counts()

Example 3: pandas distinct

>gapminder['continent'].unique()
array(['Asia', 'Europe', 'Africa', 'Americas', 'Oceania'], dtype=object)

Example 4: dataframe python unique values rows

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

Example 5: if df[col].unique()==2

df_dict = dict(zip([i for i in df.columns] , [pd.DataFrame(df[i].unique(), columns=[i]) for i in df.columns]))