Pandas Library
Grouping by Single Column
Grouping by Multiple Columns
Grouping by Index
Aggregation Functions
Transformation Functions
Filtration Functions
Using Built-in Functions
Using Custom Functions
Applying Multiple Functions
Different Functions to Different Columns
count()
sum()
mean()
median()
std()
var()
min()
max()
first()
last()
transform() Method
Broadcasting Transformed Values
filter() Method
Filtering Groups Based on Criteria
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6. Combining and Reshaping Data
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8. Working with Text Data