Create a pivot table from DataFrame

Read a CSV file into a DataFrame

View the first few rows of a DataFrame

pandas/groupby

Group DataFrame using one or more columns

pandas

groupby

aggregation

df.groupby

df.groupby() is used to group data and apply aggregation functions.

Group by column and calculate mean

df.groupby("col1").mean()

Group by multiple columns and sum

df.groupby(["col1", "col2"]).sum()

Get concise summary of DataFrame

Generate descriptive statistics of numeric columns

Select rows and columns by labels