Module polars_core::chunked_array::ops
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Traits for miscellaneous operations on ChunkedArray
Modules
- zip
zip_with
Structs
Enums
Traits
- Aggregation operations.
- Fastest way to do elementwise operations on a
ChunkedArray<T>when the operation is cheaper than branching due to null checking. - Apply kernels on the arrow array chunks in a ChunkedArray.
- Cast
ChunkedArray<T>toChunkedArray<N> - Create a new ChunkedArray filled with values at that index.
- Explode/ flatten a List or Utf8 Series
- Replace None values with a value
- Filter values by a boolean mask.
- Fill a ChunkedArray with one value.
- Quantile and median aggregation.
- Reverse a
ChunkedArray<T> - ChunkRollApply
rolling_windowThis differs from ChunkWindowCustom and ChunkWindow by not using a fold aggregator, but reusing aSerieswrapper and callingSeriesaggregators. This likely is a bit slower than ChunkWindow - Create a
ChunkedArraywith new values by index or by boolean mask. Note that these operations clone data. This is however the only way we can modify at mask or index level as the underlying Arrow arrays are immutable. - Shift the values of a
ChunkedArrayby a number of periods. - Sort operations on
ChunkedArray. - Get unique values in a
ChunkedArray - Variance and standard deviation aggregation.
- Combine two
ChunkedArraybased on some predicate. - IsFirstDistinct
is_first_distinctMask the first unique values astrue - IsLastDistinct
is_last_distinctMask the last unique values astrue