eval.string {tutoR}R Documentation

Evaluate an (Unevaluated) String Expression

Description

Evaluate an R string expression.

Usage

eval.string(expr, envir = parent.frame(),
           enclos = if(is.list(envir) || is.pairlist(envir))
                       parent.frame() else baseenv())

Arguments

expr string of expression to be evaluated.
envir From eval, made redundant in eval.string.
enclos From eval, made redundant in eval.string.

Details

eval evaluates the expression expr argument only in the local environment.

eval.string evaluates expr in the .GlobalEnv environment, duplicating local objects, but restoring any former values.

See Also

eval

Examples


eval.string("x <- 1")
eval.string("cat(\"x =\", x, \"\n\")")
eval.string("2 ^ 2 ^ 3")

x <- 1:10
cmd <- "plot(x, x^5)"
eval.string(cmd)


[Package tutoR version 0.3.2 Index]