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Site Navigation

  * [ Python API reference ](../index.html)
  * [ User guide ](https://docs.pola.rs/user-guide/)

  * [ __ GitHub  ](https://github.com/pola-rs/polars "GitHub")
  * [ __ Discord  ](https://discord.gg/4UfP5cfBE7 "Discord")
  * [ __ Twitter  ](https://twitter.com/DataPolars "Twitter")

Section Navigation

  * [ DataFrame ](../dataframe/index.html) __
    * [ Aggregation ](../dataframe/aggregation.html) __
      * [ polars.DataFrame.count ](../dataframe/api/polars.DataFrame.count.html)
      * [ polars.DataFrame.max ](../dataframe/api/polars.DataFrame.max.html)
      * [ polars.DataFrame.max_horizontal ](../dataframe/api/polars.DataFrame.max_horizontal.html)
      * [ polars.DataFrame.mean ](../dataframe/api/polars.DataFrame.mean.html)
      * [ polars.DataFrame.mean_horizontal ](../dataframe/api/polars.DataFrame.mean_horizontal.html)
      * [ polars.DataFrame.median ](../dataframe/api/polars.DataFrame.median.html)
      * [ polars.DataFrame.min ](../dataframe/api/polars.DataFrame.min.html)
      * [ polars.DataFrame.min_horizontal ](../dataframe/api/polars.DataFrame.min_horizontal.html)
      * [ polars.DataFrame.product ](../dataframe/api/polars.DataFrame.product.html)
      * [ polars.DataFrame.quantile ](../dataframe/api/polars.DataFrame.quantile.html)
      * [ polars.DataFrame.std ](../dataframe/api/polars.DataFrame.std.html)
      * [ polars.DataFrame.sum ](../dataframe/api/polars.DataFrame.sum.html)
      * [ polars.DataFrame.sum_horizontal ](../dataframe/api/polars.DataFrame.sum_horizontal.html)
      * [ polars.DataFrame.var ](../dataframe/api/polars.DataFrame.var.html)
    * [ Attributes ](../dataframe/attributes.html) __
      * [ polars.DataFrame.columns ](../dataframe/api/polars.DataFrame.columns.html)
      * [ polars.DataFrame.dtypes ](../dataframe/api/polars.DataFrame.dtypes.html)
      * [ polars.DataFrame.flags ](../dataframe/api/polars.DataFrame.flags.html)
      * [ polars.DataFrame.height ](../dataframe/api/polars.DataFrame.height.html)
      * [ polars.DataFrame.schema ](../dataframe/api/polars.DataFrame.schema.html)
      * [ polars.DataFrame.shape ](../dataframe/api/polars.DataFrame.shape.html)
      * [ polars.DataFrame.width ](../dataframe/api/polars.DataFrame.width.html)
    * [ Computation ](../dataframe/computation.html) __
      * [ polars.DataFrame.fold ](../dataframe/api/polars.DataFrame.fold.html)
      * [ polars.DataFrame.hash_rows ](../dataframe/api/polars.DataFrame.hash_rows.html)
    * [ Descriptive ](../dataframe/descriptive.html) __
      * [ polars.DataFrame.approx_n_unique ](../dataframe/api/polars.DataFrame.approx_n_unique.html)
      * [ polars.DataFrame.describe ](../dataframe/api/polars.DataFrame.describe.html)
      * [ polars.DataFrame.estimated_size ](../dataframe/api/polars.DataFrame.estimated_size.html)
      * [ polars.DataFrame.glimpse ](../dataframe/api/polars.DataFrame.glimpse.html)
      * [ polars.DataFrame.is_duplicated ](../dataframe/api/polars.DataFrame.is_duplicated.html)
      * [ polars.DataFrame.is_empty ](../dataframe/api/polars.DataFrame.is_empty.html)
      * [ polars.DataFrame.is_unique ](../dataframe/api/polars.DataFrame.is_unique.html)
      * [ polars.DataFrame.n_chunks ](../dataframe/api/polars.DataFrame.n_chunks.html)
      * [ polars.DataFrame.n_unique ](../dataframe/api/polars.DataFrame.n_unique.html)
      * [ polars.DataFrame.null_count ](../dataframe/api/polars.DataFrame.null_count.html)
    * [ Export ](../dataframe/export.html) __
      * [ pol