deparse {base} | R Documentation |
deparse(expr, width.cutoff = 60)
expr |
any R expression in a wider sense than expression 's
proper. |
width.cutoff |
integer in [20,500] determining the cutoff at which linebreaking is tried. |
This function turns unevaluated expressions into
character strings (a kind of inverse parse
).
A typical use of this is to create informative
labels for data sets and plots. The following example shows a
simple use of this facility. It uses the functions deparse
and substitute
to create labels for a plot which are character
string versions of the actual arguments to the function myplot
.
substitute
, parse
, expression
.
deparse(args(lm)) deparse(args(lm), width = 100) myplot <- function(x, y) plot(x, y, xlab=deparse(substitute(x)), ylab=deparse(substitute(y)))