select unique values of a data frame based on one column python code example
Example 1: pandas distinct
>gapminder['continent'].unique()
array(['Asia', 'Europe', 'Africa', 'Americas', 'Oceania'], dtype=object)
Example 2: Returns a new DataFrame containing the distinct rows in this DataFrame
# Returns a new DataFrame containing the distinct rows in this DataFrame
df.ditinct().count()
# 2