Lazyframe
Command | Description |
---|---|
dfr agg | Performs a series of aggregations from a group-by. |
dfr cache | Caches operations in a new LazyFrame. |
dfr collect | Collect lazy dataframe into eager dataframe. |
dfr explode | Explodes a dataframe or creates a explode expression. |
dfr fetch | Collects the lazyframe to the selected rows. |
dfr fill-nan | Replaces NaN values with the given expression. |
dfr fill-null | Replaces NULL values with the given expression. |
dfr filter | Filter dataframe based in expression. |
dfr filter-with | Filters dataframe using a mask or expression as reference. |
dfr flatten | An alias for dfr explode. |
dfr group-by | Creates a group-by object that can be used for other aggregations. |
dfr into-lazy | Converts a dataframe into a lazy dataframe. |
dfr join | Joins a lazy frame with other lazy frame. |
dfr median | Aggregates columns to their median value |
dfr quantile | Aggregates the columns to the selected quantile. |
dfr rename | Rename a dataframe column. |
dfr reverse | Reverses the LazyFrame |
dfr select | Selects columns from lazyframe. |
dfr shift | Shifts the values by a given period. |
dfr sort-by | Sorts a lazy dataframe based on expression(s). |
dfr unique | Returns unique values from a dataframe. |
dfr with-column | Adds a series to the dataframe. |
polars agg | Performs a series of aggregations from a group-by. |
polars cache | Caches operations in a new LazyFrame. |
polars collect | Collect lazy dataframe into eager dataframe. |
polars explode | Explodes a dataframe or creates a explode expression. |
polars fetch | Collects the lazyframe to the selected rows. |
polars fill-nan | Replaces NaN values with the given expression. |
polars fill-null | Replaces NULL values with the given expression. |
polars filter | Filter dataframe based in expression. |
polars filter-with | Filters dataframe using a mask or expression as reference. |
polars flatten | An alias for polars explode. |
polars group-by | Creates a group-by object that can be used for other aggregations. |
polars into-lazy | Converts a dataframe into a lazy dataframe. |
polars join | Joins a lazy frame with other lazy frame. |
polars median | Median value from columns in a dataframe or creates expression for an aggregation |
polars quantile | Aggregates the columns to the selected quantile. |
polars rename | Rename a dataframe column. |
polars reverse | Reverses the LazyFrame |
polars select | Selects columns from lazyframe. |
polars shift | Shifts the values by a given period. |
polars sort-by | Sorts a lazy dataframe based on expression(s). |
polars unique | Returns unique values from a dataframe. |
polars with-column | Adds a series to the dataframe. |