.plus_to_c {contrastable} | R Documentation |
Handle +
in formula LHS
Description
Given a formula like cyl + gear ~ sum_code, this function recursively
replaces the +
operators with c
so that the LHS becomes c(cyl, gear)
.
Usage
.plus_to_c(plus_expr)
Arguments
plus_expr |
Expression |
Details
This function doesn't recurse into other function calls, for example:
cyl + gear + factor(1 + 2)
evaluates to c(cyl, gear, factor(1+2))
.
Value
A new expression where +
is replaced with c()
[Package contrastable version 1.0.2 Index]