Nothing
"plotSpecCar" <-
function (x, add = FALSE, ci = 0.95, log = "dB", xlab = "frequency",
ylab = NULL, type = "l", main = NULL, sub = NULL,...)
{
if (is.null(ylab))
ylab <- if (log == "dB")
"spectrum (dB)"
else "spectrum"
if (is.logical(log))
log <- if (log)
"yes"
else "no"
if (missing(log) && getOption("ts.S.compat"))
log <- "dB"
log <- match.arg(log)
ylog <- ""
if (log == "dB")
x$spec <- 10 * log10(x$spec)
if (log == "yes")
ylog <- "y"
if (add) {
matplot(x$freq, x$spec, type = type, add = TRUE, ...)
}
else {
matplot(x$freq, x$spec, xlab = xlab, ylab = ylab, type = type, log = ylog)
# if (ci <= 0 || !is.numeric(x$df) || log == "no") {
# ci.text <- ""
# }
# else {
# conf.lim <- spec.ci(x, coverage = ci)
# if (log == "dB") {
# conf.lim <- 10 * log10(conf.lim)
# conf.y <- max(x$spec) - conf.lim[2]
# conf.x <- max(x$freq) - x$bandwidth
# lines(rep(conf.x, 2), conf.y + conf.lim)
# lines(conf.x + c(-0.5, 0.5) * x$bandwidth, rep(conf.y,
# 2))
# ci.text <- paste(", ", round(100 * ci, 2), "% C.I. is (",
# paste(format(conf.lim, digits = 3), collapse = ","),
# ")dB", sep = "")
# }
# else {
# ci.text <- ""
# conf.y <- max(x$spec)/conf.lim[2]
# conf.x <- max(x$freq) - x$bandwidth
# lines(rep(conf.x, 2), conf.y * conf.lim)
# lines(conf.x + c(-0.5, 0.5) * x$bandwidth, rep(conf.y,
# 2))
# }
# }
if (is.null(main))
main <- paste(x$method, sep = "\n")
if (is.null(sub) && is.numeric(x$bandwidth))
sub <- paste("bandwidth = ", format(x$bandwidth, digits = 3), sep = "")
title(main = main,sub=sub)
}
invisible(x)
}
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