pr.bin.decode ](polars.Expr.bin.decode.html)
      * [ polars.Expr.bin.encode ](polars.Expr.bin.encode.html)
      * [ polars.Expr.bin.ends_with ](polars.Expr.bin.ends_with.html)
      * [ polars.Expr.bin.starts_with ](polars.Expr.bin.starts_with.html)
    * [ Boolean ](../boolean.html) __
      * [ polars.Expr.all ](polars.Expr.all.html)
      * [ polars.Expr.any ](polars.Expr.any.html)
      * [ polars.Expr.is_between ](polars.Expr.is_between.html)
      * [ polars.Expr.is_duplicated ](polars.Expr.is_duplicated.html)
      * [ polars.Expr.is_finite ](polars.Expr.is_finite.html)
      * [ polars.Expr.is_first ](polars.Expr.is_first.html)
      * [ polars.Expr.is_first_distinct ](polars.Expr.is_first_distinct.html)
      * [ polars.Expr.is_in ](polars.Expr.is_in.html)
      * [ polars.Expr.is_infinite ](polars.Expr.is_infinite.html)
      * [ polars.Expr.is_last ](polars.Expr.is_last.html)
      * [ polars.Expr.is_last_distinct ](polars.Expr.is_last_distinct.html)
      * [ polars.Expr.is_nan ](polars.Expr.is_nan.html)
      * [ polars.Expr.is_not ](polars.Expr.is_not.html)
      * [ polars.Expr.is_not_nan ](polars.Expr.is_not_nan.html)
      * [ polars.Expr.is_not_null ](polars.Expr.is_not_null.html)
      * [ polars.Expr.is_null ](polars.Expr.is_null.html)
      * [ polars.Expr.is_unique ](polars.Expr.is_unique.html)
      * [ polars.Expr.not_ ](polars.Expr.not_.html)
    * [ Categories ](../categories.html) __
      * polars.Expr.cat.get_categories 
      * [ polars.Expr.cat.set_ordering ](polars.Expr.cat.set_ordering.html)
    * [ Columns / names ](../columns.html) __
      * [ polars.Expr.alias ](polars.Expr.alias.html)
      * [ polars.Expr.exclude ](polars.Expr.exclude.html)
      * [ polars.Expr.keep_name ](polars.Expr.keep_name.html)
      * [ polars.Expr.map_alias ](polars.Expr.map_alias.html)
      * [ polars.Expr.prefix ](polars.Expr.prefix.html)
      * [ polars.Expr.suffix ](polars.Expr.suffix.html)
      * [ polars.col ](../col.html)
    * [ Computation ](../computation.html) __
      * [ polars.Expr.abs ](polars.Expr.abs.html)
      * [ polars.Expr.approx_n_unique ](polars.Expr.approx_n_unique.html)
      * [ polars.Expr.arccos ](polars.Expr.arccos.html)
      * [ polars.Expr.arccosh ](polars.Expr.arccosh.html)
      * [ polars.Expr.arcsin ](polars.Expr.arcsin.html)
      * [ polars.Expr.arcsinh ](polars.Expr.arcsinh.html)
      * [ polars.Expr.arctan ](polars.Expr.arctan.html)
      * [ polars.Expr.arctanh ](polars.Expr.arctanh.html)
      * [ polars.Expr.arg_unique ](polars.Expr.arg_unique.html)
      * [ polars.Expr.cbrt ](polars.Expr.cbrt.html)
      * [ polars.Expr.cos ](polars.Expr.cos.html)
      * [ polars.Expr.cosh ](polars.Expr.cosh.html)
      * [ polars.Expr.cot ](polars.Expr.cot.html)
      * [ polars.Expr.cum_count ](polars.Expr.cum_count.html)
      * [ polars.Expr.cum_max ](polars.Expr.cum_max.html)
      * [ polars.Expr.cum_min ](polars.Expr.cum_min.html)
      * [ polars.Expr.cum_prod ](polars.Expr.cum_prod.html)
      * [ polars.Expr.cum_sum ](polars.Expr.cum_sum.html)
      * [ polars.Expr.cumcount ](polars.Expr.cumcount.html)
      * [ polars.Expr.cummax ](polars.Expr.cummax.html)
      * [ polars.Expr.cummin ](polars.Expr.cummin.html)
      * [ polars.Expr.cumprod ](polars.Expr.cumprod.html)
      * [ polars.Expr.cumsum ](polars.Expr.cumsum.html)
      * [ polars.Expr.cumulative_eval ](polars.Expr.cumulative_eval.html)
      * [ polars.Expr.degrees ](polars.Expr.degrees.html)
      * [ polars.Expr.diff ](polars.Expr.diff.html)
      * [ polars.Expr.dot ](polars.Expr.dot.html)
      * [ polars.Expr.entropy ](polars.Expr.entropy.html)
      * [ polars.Expr.ewm_mean ](polars.Expr.ewm_mean.html)
      * [ polars.Expr.ewm_mean_by ](polars.Expr.ewm_mean_by.html)
      * [ polars.Expr.ewm_std ](polars.Expr.ewm_std.html)
      * [ polars.Expr.ewm_var ](polars.Expr.ewm_var.html)
      * [ polars.Expr.exp ](polars.Expr.exp.html)
      * [ polars.Expr.hash ](polars.Expr.hash.html)
      * [ polars.Ex