GroupBy Class
Definition
Important
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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 |
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 |