olars.Expr.is_infinite.html)
      * [ polars.Expr.is_last ](../expressions/api/polars.Expr.is_last.html)
      * [ polars.Expr.is_last_distinct ](../expressions/api/polars.Expr.is_last_distinct.html)
      * [ polars.Expr.is_nan ](../expressions/api/polars.Expr.is_nan.html)
      * [ polars.Expr.is_not ](../expressions/api/polars.Expr.is_not.html)
      * [ polars.Expr.is_not_nan ](../expressions/api/polars.Expr.is_not_nan.html)
      * [ polars.Expr.is_not_null ](../expressions/api/polars.Expr.is_not_null.html)
      * [ polars.Expr.is_null ](../expressions/api/polars.Expr.is_null.html)
      * [ polars.Expr.is_unique ](../expressions/api/polars.Expr.is_unique.html)
      * [ polars.Expr.not_ ](../expressions/api/polars.Expr.not_.html)
    * [ Categories ](../expressions/categories.html) __
      * [ polars.Expr.cat.get_categories ](../expressions/api/polars.Expr.cat.get_categories.html)
      * [ polars.Expr.cat.set_ordering ](../expressions/api/polars.Expr.cat.set_ordering.html)
    * [ Columns / names ](../expressions/columns.html) __
      * [ polars.Expr.alias ](../expressions/api/polars.Expr.alias.html)
      * [ polars.Expr.exclude ](../expressions/api/polars.Expr.exclude.html)
      * [ polars.Expr.keep_name ](../expressions/api/polars.Expr.keep_name.html)
      * [ polars.Expr.map_alias ](../expressions/api/polars.Expr.map_alias.html)
      * [ polars.Expr.prefix ](../expressions/api/polars.Expr.prefix.html)
      * [ polars.Expr.suffix ](../expressions/api/polars.Expr.suffix.html)
      * [ polars.col ](../expressions/col.html)
    * [ Computation ](../expressions/computation.html) __
      * [ polars.Expr.abs ](../expressions/api/polars.Expr.abs.html)
      * [ polars.Expr.approx_n_unique ](../expressions/api/polars.Expr.approx_n_unique.html)
      * [ polars.Expr.arccos ](../expressions/api/polars.Expr.arccos.html)
      * [ polars.Expr.arccosh ](../expressions/api/polars.Expr.arccosh.html)
      * [ polars.Expr.arcsin ](../expressions/api/polars.Expr.arcsin.html)
      * [ polars.Expr.arcsinh ](../expressions/api/polars.Expr.arcsinh.html)
      * [ polars.Expr.arctan ](../expressions/api/polars.Expr.arctan.html)
      * [ polars.Expr.arctanh ](../expressions/api/polars.Expr.arctanh.html)
      * [ polars.Expr.arg_unique ](../expressions/api/polars.Expr.arg_unique.html)
      * [ polars.Expr.cbrt ](../expressions/api/polars.Expr.cbrt.html)
      * [ polars.Expr.cos ](../expressions/api/polars.Expr.cos.html)
      * [ polars.Expr.cosh ](../expressions/api/polars.Expr.cosh.html)
      * [ polars.Expr.cot ](../expressions/api/polars.Expr.cot.html)
      * [ polars.Expr.cum_count ](../expressions/api/polars.Expr.cum_count.html)
      * [ polars.Expr.cum_max ](../expressions/api/polars.Expr.cum_max.html)
      * [ polars.Expr.cum_min ](../expressions/api/polars.Expr.cum_min.html)
      * [ polars.Expr.cum_prod ](../expressions/api/polars.Expr.cum_prod.html)
      * [ polars.Expr.cum_sum ](../expressions/api/polars.Expr.cum_sum.html)
      * [ polars.Expr.cumcount ](../expressions/api/polars.Expr.cumcount.html)
      * [ polars.Expr.cummax ](../expressions/api/polars.Expr.cummax.html)
      * [ polars.Expr.cummin ](../expressions/api/polars.Expr.cummin.html)
      * [ polars.Expr.cumprod ](../expressions/api/polars.Expr.cumprod.html)
      * [ polars.Expr.cumsum ](../expressions/api/polars.Expr.cumsum.html)
      * [ polars.Expr.cumulative_eval ](../expressions/api/polars.Expr.cumulative_eval.html)
      * [ polars.Expr.degrees ](../expressions/api/polars.Expr.degrees.html)
      * [ polars.Expr.diff ](../expressions/api/polars.Expr.diff.html)
      * [ polars.Expr.dot ](../expressions/api/polars.Expr.dot.html)
      * [ polars.Expr.entropy ](../expressions/api/polars.Expr.entropy.html)
      * [ polars.Expr.ewm_mean ](../expressions/api/polars.Expr.ewm_mean.html)
      * [ polars.Expr.ewm_mean_by ](../expressions/api/polars.Expr.ewm_mean_by.html)
      * [ polars.Expr.ewm_std ](../expressions/api/polars.Expr.ewm_std.h