search for: deparen

...points, rows, columns, show.given = TRUE, col = par("fg"), pch = par("pch"), xlab = c(x.name, paste("Given :", a.name)), ylab = c(y.name, paste("Given :", b.name)), subscripts = FALSE, number = 6, overlap = 0.5, xlim, ylim, ...) { deparen <- function(expr) { while (is.language(expr) && !is.name(expr) && deparse(expr[[1]]) == "(") expr <- expr[[2]] expr } bad.formula <- function() stop("invalid conditioning formula") bad.lengths <- function() sto...

...a whole bunch of functions in R that I call meta-programming functions ? don?t know if they have a more proper name. These are things that are intended primarily to act on R language objects or to control how R objects are evaluated. They include functions like call, match.call, parse and deparse, deparen, get, envir, substitute, eval, etc. Although I have read the individual documentation for many of these command, and even used most of them, I don?t think I have any fluency with them, or understand well how and when to code with them. I think reading a good-sized hunk of code that uses these func...