Trait SumMeanHorizontal

pub trait SumMeanHorizontal {
    // Required methods
    fn sum_horizontal(
        &self,
        null_strategy: NullStrategy,
    ) -> Result<Option<Column>, PolarsError>;
    fn mean_horizontal(
        &self,
        null_strategy: NullStrategy,
    ) -> Result<Option<Column>, PolarsError>;
}

Available on crate feature polars-ops only.

Required Methods

fn sum_horizontal( &self, null_strategy: NullStrategy, ) -> Result<Option<Column>, PolarsError>

Sum all values horizontally across columns.

fn mean_horizontal( &self, null_strategy: NullStrategy, ) -> Result<Option<Column>, PolarsError>

Compute the mean of all numeric values horizontally across columns.

Implementors

impl SumMeanHorizontal for DataFrame