Trait polars::prelude::ChunkFillNull

source · [−]
pub trait ChunkFillNull {
    fn fill_null(&self, strategy: FillNullStrategy) -> Result<Self, PolarsError>;
}
Expand description

Replace None values with various strategies

Required methods

Replace None values with one of the following strategies:

  • Forward fill (replace None with the previous value)
  • Backward fill (replace None with the next value)
  • Mean fill (replace None with the mean of the whole array)
  • Min fill (replace None with the minimum of the whole array)
  • Max fill (replace None with the maximum of the whole array)

Implementors