| 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 datepart | Creates an expression for capturing the specified datepart in a column.
|
| dfr expr-not | Creates a not expression.
|
| dfr implode | Aggregates a group to a Series.
|
| dfr is-in | Creates an is-in expression.
|
| dfr lit | Creates a literal expression.
|
| dfr max | Creates a max expression or aggregates columns to their max value.
|
| dfr mean | Creates a mean expression for an aggregation or aggregates columns to their mean value.
|
| dfr min | Creates a min expression or aggregates columns to their min value.
|
| dfr otherwise | Completes a when expression.
|
| dfr std | Creates a std expression for an aggregation of std value from columns in a dataframe.
|
| dfr sum | Creates a sum expression for an aggregation or aggregates columns to their sum value.
|
| dfr var | Create a var expression for an aggregation.
|
| dfr when | Creates and modifies a when expression.
|
| polars agg-groups | Creates an agg_groups expression.
|
| polars arg-where | Creates an expression that returns the arguments where expression is true.
|
| polars as | Creates an alias expression.
|
| polars col | Creates a named column expression.
|
| polars concat-str | Creates a concat string expression.
|
| polars count | Creates a count expression.
|
| polars datepart | Creates an expression for capturing the specified datepart in a column.
|
| polars expr-not | Creates a not expression.
|
| polars implode | Aggregates a group to a Series.
|
| polars is-in | Creates an is-in expression or checks to see if the elements are contained in the right series
|
| polars lit | Creates a literal expression.
|
| polars max | Creates a max expression or aggregates columns to their max value.
|
| polars mean | Creates a mean expression for an aggregation or aggregates columns to their mean value.
|
| polars min | Creates a min expression or aggregates columns to their min value.
|
| polars otherwise | Completes a when expression.
|
| polars std | Creates a std expression for an aggregation of std value from columns in a dataframe.
|
| polars sum | Creates a sum expression for an aggregation or aggregates columns to their sum value.
|
| polars var | Create a var expression for an aggregation.
|
| polars when | Creates and modifies a when expression.
|