Module polars_core::frame::group_by

Available on crate feature algorithm_group_by only.

Modules

• aggregations
• expr

Structs

• GroupBy
  Returned by a group_by operation on a DataFrame. This struct supports several aggregations.
• GroupsIdx
  Indexes of the groups, the first index is stored separately. this make sorting fast.
• GroupsProxyIter
• GroupsProxyParIter
• SlicedGroups

Enums

• GroupByMethod
• GroupsIndicator
• GroupsProxy

Traits

• IntoGroupsProxy
  Used to create the tuples for a group_by operation.

Functions

• fmt_group_by_column

Type Aliases

• BorrowIdxItem
• GroupsSlice
  Every group is indicated by an array where the
• IdxItem