Nothing
multhist <- function (x, beside=TRUE, freq=NULL, probability=!freq,
plot.it=TRUE, ...) {
## sort out histogram arguments
hist.args <- formals(hist.default)
args <- list(...)
hargs <- names(args)[names(args) %in% names(hist.args)]
hist.args[hargs] <- args[hargs]
hist.args$plot<-FALSE
allhist <- hist(unlist(x),hist.args$breaks,plot=FALSE)
## sort out barplot arguments
if(plot.it) {
barplot.args <- formals(barplot.default)
bargs <- names(args)[names(args) %in% names(barplot.args)]
barplot.args[bargs] <- args[bargs]
barplot.args$beside <- beside
if("ann" %in% names(barplot.args))
barplot.args$ann<-eval(barplot.args$ann,envir=barplot.args)
## prevent warnings
barplot.args$"..." <- barplot.args$inside <- NULL
if (!"names.arg" %in% bargs)
barplot.args$names.arg <- signif(allhist$mids, 2)
if (is.null(freq)) {
freq<-if(!missing(probability)) !as.logical(probability) else TRUE
}
comp <- if(freq) "counts" else comp<-"density"
combhist <-
t(sapply(x,function(z) hist(z,breaks=allhist$breaks,plot=FALSE)[[comp]]))
if(plot.it) do.call("barplot", c(list(combhist),barplot.args))
invisible(list(allhist,combhist))
}
}
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