Lazyframe

CommandDescription
dfr aggPerforms a series of aggregations from a group-by.
dfr cacheCaches operations in a new LazyFrame
dfr collectCollect lazy dataframe into eager dataframe.
dfr fetchcollects the lazyframe to the selected rows.
dfr fill-nanReplaces NaN values with the given expression.
dfr fill-nullReplaces NULL values with the given expression.
dfr filterFilter dataframe based in expression.
dfr filter-withFilters dataframe using a mask or expression as reference.
dfr group-byCreates a group-by object that can be used for other aggregations.
dfr into-lazyConverts a dataframe into a lazy dataframe.
dfr joinJoins a lazy frame with other lazy frame.
dfr maxCreates a max expression Aggregates columns to their max value
dfr meanCreates a mean expression for an aggregation Aggregates columns to their mean value
dfr medianCreates a median expression for an aggregation Aggregates columns to their median value
dfr minCreates a min expression Aggregates columns to their min value
dfr quantileAggregates the columns to the selected quantile. Aggregates the columns to the selected quantile.
dfr renameRename a dataframe column.
dfr reverseReverses the LazyFrame
dfr selectSelects columns from lazyframe.
dfr shiftShifts the values by a given period.
dfr sort-bysorts a lazy dataframe based on expression(s).
dfr stdCreates a std expression for an aggregation Aggregates columns to their std value
dfr sumCreates a sum expression for an aggregation Aggregates columns to their sum value
dfr uniqueReturns unique values from a dataframe.
dfr varCreate a var expression for an aggregation Aggregates columns to their var value
dfr with-columnAdds a series to the dataframe.