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

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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.nul