polars | Operate with data in a dataframe format.
|
polars agg-groups | Creates an agg_groups expression.
|
polars all-false | Returns true if all values are false.
|
polars all-true | Returns true if all values are true.
|
polars append | Appends a new dataframe.
|
polars arg-max | Return index for max value in series.
|
polars arg-min | Return index for min value in series.
|
polars arg-sort | Returns indexes for a sorted series.
|
polars arg-true | Returns indexes where values are true.
|
polars arg-unique | Returns indexes for unique values.
|
polars as-date | Converts string to date.
|
polars as-datetime | Converts string to datetime.
|
polars cache | Caches operations in a new LazyFrame.
|
polars cast | Cast a column to a different dtype.
|
polars columns | Show dataframe columns.
|
polars concat | Concatenate two or more dataframes.
|
polars contains | Checks if a pattern is contained in a string.
|
polars count | Returns the number of non-null values in the column.
|
polars count-null | Counts null values.
|
polars cumulative | Cumulative calculation for a column or series.
|
polars decimal | Converts a string column into a decimal column
|
polars drop | Creates a new dataframe by dropping the selected columns.
|
polars drop-duplicates | Drops duplicate values in dataframe.
|
polars drop-nulls | Drops null values in dataframe.
|
polars dummies | Creates a new dataframe with dummy variables.
|
polars expr-not | Creates a not expression.
|
polars filter-with | Filters dataframe using a mask or expression as reference.
|
polars first | Show only the first number of rows or create a first expression
|
polars get | Creates dataframe with the selected columns.
|
polars get-day | Gets day from date.
|
polars get-hour | Gets hour from date.
|
polars get-minute | Gets minute from date.
|
polars get-month | Gets month from date.
|
polars get-nanosecond | Gets nanosecond from date.
|
polars get-ordinal | Gets ordinal from date.
|
polars get-second | Gets second from date.
|
polars get-week | Gets week from date.
|
polars get-weekday | Gets weekday from date.
|
polars get-year | Gets year from date.
|
polars implode | Aggregates values into a list.
|
polars integer | Converts a string column into a integer column
|
polars into-df | Converts a list, table or record into a dataframe.
|
polars into-nu | Converts a dataframe or an expression into nushell value for access and exploration.
|
polars into-repr | Display a dataframe in its repr format.
|
polars is-duplicated | Creates mask indicating duplicated values.
|
polars is-not-null | Creates mask where value is not null.
|
polars is-null | Creates mask where value is null.
|
polars is-unique | Creates mask indicating unique values.
|
polars last | Creates new dataframe with tail rows or creates a last expression.
|
polars len | Return the number of rows in the context. This is similar to COUNT(*) in SQL.
|
polars list-contains | Checks if an element is contained in a list.
|
polars lowercase | Lowercase the strings in the column.
|
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 n-unique | Counts unique values.
|
polars not | Inverts boolean mask.
|
polars open | Opens CSV, JSON, NDJSON/JSON lines, arrow, avro, or parquet file to create dataframe. A lazy dataframe will be created by default, if supported.
|
polars pivot | Pivot a DataFrame from wide to long format.
|
polars profile | Profile a lazy dataframe.
|
polars query | Query dataframe using SQL. Note: The dataframe is always named 'df' in your query's from clause.
|
polars rename | Rename a dataframe column.
|
polars replace | Replace the leftmost (sub)string by a regex pattern.
|
polars replace-all | Replace all (sub)strings by a regex pattern.
|
polars reverse | Reverses the LazyFrame
|
polars rolling | Rolling calculation for a series.
|
polars sample | Create sample dataframe.
|
polars schema | Show schema for a dataframe.
|
polars set | Sets value where given mask is true.
|
polars set-with-idx | Sets value in the given index.
|
polars shape | Shows column and row size for a dataframe.
|
polars shift | Shifts the values by a given period.
|
polars slice | Creates new dataframe from a slice of rows.
|
polars std | Creates a std expression for an aggregation of std value from columns in a dataframe.
|
polars store-get | Gets a Dataframe or other object from the plugin cache.
|
polars store-ls | Lists stored polars objects.
|
polars store-rm | Removes a stored Dataframe or other object from the plugin cache.
|
polars str-join | Concatenates strings within a column or dataframes
|
polars str-lengths | Get lengths of all strings.
|
polars str-slice | Slices the string from the start position until the selected length.
|
polars str-split | Split the string by a substring. The resulting dtype is list<str>.
|
polars str-strip-chars | Strips specified characters from strings in a column
|
polars strftime | Formats date based on string rule.
|
polars sum | Creates a sum expression for an aggregation or aggregates columns to their sum value.
|
polars summary | For a dataframe, produces descriptive statistics (summary statistics) for its numeric columns.
|
polars take | Creates new dataframe using the given indices.
|
polars unique | Returns unique values from a dataframe.
|
polars unnest | Decompose struct columns into separate columns for each of their fields. The new columns will be inserted into the dataframe at the location of the struct column.
|
polars unpivot | Unpivot a DataFrame from wide to long format.
|
polars uppercase | Uppercase the strings in the column.
|
polars value-counts | Returns a dataframe with the counts for unique values in series.
|
polars var | Create a var expression for an aggregation.
|
polars with-column | Adds a series to the dataframe.
|