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GroupBy Class

Definition

A GroupBy class that is typically the result of a DataFrame.GroupBy call. It holds information to perform typical aggregation ops on it.

public abstract class GroupBy
type GroupBy = class
Public MustInherit Class GroupBy
Inheritance
GroupBy
Derived

Constructors

GroupBy()

Methods

Count(String[])

Compute the number of non-null values in each group

First(String[])

Return the first value in each group

Head(Int32)

Returns the first numberOfRows rows of each group

Max(String[])

Compute the max of group values

Mean(String[])

Compute the mean of group values

Min(String[])

Compute the min of group values

Product(String[])

Compute the product of group values

Sum(String[])

Compute the sum of group values

Tail(Int32)

Returns the last numberOfRows rows of each group

Applies to