Class Window (0.21.0)

Window(
    block: bigframes.core.blocks.Block,
    window_spec: bigframes.core.window_spec.WindowSpec,
    value_column_ids: typing.Sequence[str],
    drop_null_groups: bool = True,
    is_series: bool = False,
)

Provide window calculations.

Methods

count

count()

Calculate the window count of non-NULL observations.

max

max()

Calculate the weighted window maximum.

mean

mean()

Calculate the weighted window mean.

min

min()

Calculate the weighted window minimum.

std

std()

Calculate the weighted window standard deviation.

sum

sum()

Calculate the weighted window sum.

var

var()

Calculate the weighted window variance.