Nothing
#' @describeIn groupedBar Grouped bar chart
#' @export
groupedBar.formula <-
function(formula, data=parent.frame() , subset, ...)
{
if (length(formula) > 3L) stop("'formula' incorrect")
m <- match.call(expand.dots = FALSE)
if (is.matrix(eval(m$data, parent.frame())))
m$data <- as.data.frame(data)
m[[1L]] <- as.name("model.frame")
m$... <- NULL
mf <- eval(m, parent.frame())
varnames <- names(mf)
nmiss <- length(attr(mf, "na.action"))
if (nmiss > 0)
cat("\n ", nmiss, "observation(s) removed due to missing values.\n")
if (length(formula) == 2L) {
do.call("groupedBar", c(list(resp = unlist(mf), resp.name=varnames[1]), list(...)))
} else {
response <- attr(attr(mf, "terms"), "response")
y <- mf[[response]]
g <- mf[[-response]]
names(g) <- varnames[2]
y <- do.call("groupedBar", c(list(y, g, cond.name=varnames[2], resp.name=varnames[1]), list(...)))
}#end else
}
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