how to find distinct values in pandas code example
Example 1: how to get distinct value in a column dataframe in python
df.column.unique()
Example 2: unique values in dataframe column
df.name.unique()
Example 3: python extract values that have different values in a column
df = pd.DataFrame({'author':['a', 'a', 'b'], 'products':['sr1', 'sr2', 'sr2']})
group = df.groupby('author')
df2 = group.apply(lambda x: x['subreddit'].unique())
df2 = df2.apply(pd.Series)
Example 4: Returns a new DataFrame containing the distinct rows in this DataFrame
df.ditinct().count()