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DataFrame

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DataFrame Attributes

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Import

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read_csv()

read_excel()

read_dict()

Kaggle

Exercise

Export

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to_csv()

to_excel

to_dict()

to_list()

to_sql()

Exercise

Access Data

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iloc()

Find

Filter

sort_values()

query()

Get

Exercise

Modify DataFrame

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groupby()

pivot_table()

Reshape

melt()

Exercise

String operation

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replace()

split()

Regex

Search

Exercise

Special operation

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apply()

aggfunc

Convert

count()

unique()

Other

Performance

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Merge & Concat

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merge()

join()

concat()

Exercise

Data

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Data Validation

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Categorical

Duplicate

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Challenge

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Master

groupby()

Nov 30, 2021

1 min read

GroupBy and Count in Pandas

How to Use GroupBy with Multiple Columns in Pandas

Modify DataFrame

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