Expression

Command	Description
dfr agg-groups	creates an agg_groups expression
dfr arg-where	Creates an expression that returns the arguments where expression is true.
dfr as	Creates an alias expression.
dfr col	Creates a named column expression.
dfr concat-str	Creates a concat string expression.
dfr count	creates a count expression
dfr explode	creates an explode expression
dfr expr-not	creates a not expression
dfr first	Show only the first number of rows. creates a first expression
dfr flatten	creates a flatten expression
dfr into-nu	Converts a section of the dataframe into nushell Table. Convert expression into a nu value for access and exploration.
dfr is-in	Checks if elements from a series are contained in right series. Creates an is-in expression.
dfr is-not-null	Creates mask where value is not null. creates a is not null expression
dfr is-null	Creates mask where value is null. creates a is null expression
dfr last	Creates new dataframe with tail rows or creates a last expression. creates a last expression
dfr list	Aggregates a group to a Series
dfr lit	Creates a literal expression.
dfr max	Creates a max expression Aggregates columns to their max value
dfr mean	Creates a mean expression for an aggregation Aggregates columns to their mean value
dfr median	Creates a median expression for an aggregation Aggregates columns to their median value
dfr min	Creates a min expression Aggregates columns to their min value
dfr n-unique	Counts unique values. creates a n-unique expression
dfr otherwise	completes a when expression.
dfr quantile	Aggregates the columns to the selected quantile. Aggregates the columns to the selected quantile.
dfr std	Creates a std expression for an aggregation Aggregates columns to their std value
dfr sum	Creates a sum expression for an aggregation Aggregates columns to their sum value
dfr var	Create a var expression for an aggregation Aggregates columns to their var value
dfr when	Creates and modifies a when expression.