Reducers are functions that tell the partition algorithm how
to reduce the data. as_reducer()
is a helper function to create new
reducers to be used in partitioner
s. partitioner
s can be created with
as_partitioner()
.
reduce_first_component()
returns the first component from the
principal components analysis of the target variables.
reduce_first_component(.partition_step)
a partition_step
object
a partition_step
object
Other reducers: as_reducer
,
reduce_kmeans
,
reduce_scaled_mean