Module group_by 

Available on crate feature algorithm_group_by only.

Modules

aggregations

Structs

GroupBy

Returned by a group_by operation on a DataFrame. This struct supports several aggregations.

GroupPositions

GroupsIdx

Indexes of the groups, the first index is stored separately. this make sorting fast.

GroupsTypeIter

GroupsTypeParIter

Enums

GroupByMethod

GroupsIndicator

GroupsType

Traits

IntoGroupsType

Used to create the tuples for a group_by operation.

Functions

fmt_group_by_column

slice_groups_are_monotonic

Returns whether groups is monotonic: True if for every consecutive pair of group slices both the start and the end offset are non-decreasing.

Type Aliases

BorrowIdxItem

GroupsSlice

Every group is indicated by an array where the

IdxItem