Answers for "pandas select distinct values"

9

how to get distinct value in a column dataframe in python

df.column.unique()
Posted by: Guest on May-30-2020
2

pandas distinct

>gapminder['continent'].unique()
array(['Asia', 'Europe', 'Africa', 'Americas', 'Oceania'], dtype=object)
Posted by: Guest on February-24-2020
1

pandas count distinct values in a column

Series.value_counts(self, normalize=False, sort=True, ascending=False, bins=None, dropna=True)
Posted by: Guest on March-04-2020
0

python extract values that have different values in a column

df = pd.DataFrame({'author':['a', 'a', 'b'], 'products':['sr1', 'sr2', 'sr2']}) # Create df

group = df.groupby('author') # Group by author used as index
df2 = group.apply(lambda x: x['subreddit'].unique()) # List of all product per author
df2 = df2.apply(pd.Series) # Split products in multiple columns
Posted by: Guest on June-24-2020

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