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Created August 6, 2020 19:14
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pandas cheatsheet
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cheatsheet.md

WHERE clause equivalent on dataframe

df[df['column_name'] == 'what to search for']

With AND and OR logical operators: df[df[('column_name'] == 'what to search for') & ('column_name'] == 'what to search for')]

df[df[('column_name'] == 'what to search for') | ('column_name'] == 'what to search for')]

LIKE clause equivalent

df[df['column_name'].str.contains('substring to look for')]

Iterating

List comprehensions > df.apply

[x[0], x[1],...x[n] for x in zip(df['col1'], df['col2'], ... df['coln'])]

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