Deprecated on 2019-05-16. Use
transformations instead. See
for the details.
reduce_by( plan, ..., prefix = "target", begin = "", op = " + ", end = "", pairwise = TRUE, append = TRUE, filter = NULL, sep = "_" )
Workflow plan data frame of prespecified targets.
Symbols, columns of
Character, prefix for naming the new targets.
Suffixes are generated from the values of the columns
Character, code to place at the beginning of each step in the reduction.
Binary operator to apply in the reduction
Character, code to place at the end of each step in the reduction.
Logical, whether to create multiple
new targets, one for each pair/step in the reduction (
An expression like you would pass to
Character scalar, delimiter for creating the names of new targets.
A workflow plan data frame.
Perform several calls to
based on groupings from columns in the plan,
and then row-bind the new targets to the plan.