Nothing
`drawkpc` <-
function(model, err = TRUE, pointcol = "blue", rdcol = "red", noisecol = "black", errcol = "brown", ...)
{
xlab <- "kernel pca coefficients"
ylab <- ""
x <- 1:length(model$kpc)
y <- abs(model$kpc)
legend <- "relevant dimension"
col <- rdcol
plot(x = x, y = y, xlab = xlab, ylab = ylab, col = pointcol, ...)
# draw noise, if available
if(!is.null(model$noise))
{
segments(x0 = 0, y0 = model$noise, x1 = max(x), y1 = model$noise, col = noisecol, ...)
legend <- c(legend, "noise")
col <- c(col, noisecol)
}
# draw loo-cv-error/loglik?
if(err)
{
errheight <- max(model$err) - min(model$err)
kpcheight <- max(y) - min(y)
scalederr <- 0.8*kpcheight*(model$err/errheight)
align <- max(y) - max(scalederr)
lines(x = 1:length(scalederr), y = scalederr + align, col = errcol)
if(model$tcm)
{
legend <- c(legend, "negative loglik (scaled)")
}
else
{
legend <- c(legend, "loo-cv-error (scaled)")
}
col <- c(col, errcol)
}
# draw relevant dimension
segments(x0 = model$rd, y0 = 0, x1 = model$rd, y1 = max(y), col = rdcol, ...)
# legend
legend(x = length(model$kpc)/2, y = max(abs(model$kpc)), legend = legend, col = col, lwd = 2, bg = "white")
}
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