genvar (version 0.0.1.4)

forvar: apply a function to each of a list of variables

Description

apply a function to each of a list of variables

Usage

forvar(varlist, action, macro = "%var")

Arguments

varlist

a list of variables in the format ~var1+var2+var3+... or as a vector of names like "var1 var2 var3".

action

a quoted expression to apply to each variable where the variable is represented in the expression by macro.

macro

an expression that will be replaced in action for each variable, by default %var.

Value

returns NULL, invisibly

Examples

# NOT RUN {
use(cars, clear=TRUE)
forvar("speed dist", "gen('%var2', '%var^2')")
listif()
# }