gather_by {drake} | R Documentation |
Gather multiple groupings of targets
![[Deprecated]](../help/figures/lifecycle-deprecated.svg)
Description
Deprecated on 2019-05-16. Use drake_plan()
transformations instead. See
https://books.ropensci.org/drake/plans.html#large-plans
for the details.
Usage
gather_by(
plan,
...,
prefix = "target",
gather = "list",
append = TRUE,
filter = NULL,
sep = "_"
)
Arguments
plan |
Workflow plan data frame of prespecified targets. |
... |
Symbols, columns of |
prefix |
Character, prefix for naming the new targets.
Suffixes are generated from the values of the columns
specified in |
gather |
Function used to gather the targets. Should be
one of |
append |
Logical. If |
filter |
An expression like you would pass to |
sep |
Character scalar, delimiter for creating the names of new targets. |
Details
Perform several calls to gather_plan()
based on groupings from columns in the plan,
and then row-bind the new targets to the plan.
Value
A workflow plan data frame.