Nothing
SplomT <- function (data,
mainL = deparse(substitute(data)), xlabL = "",
hist = "h", adjust = 1,
hist.col = trellis.par.get("strip.background")$col[5],
cex.diag = 1, h.diag=0.4,
colYonX = "red",
colXonY = "blue", ...)
{
force(mainL)
stopifnot (hist %in% c("h", "d", "b"))
datetime <- function() format(Sys.time(), "%Y-%m-%d, %X")
data <- data.frame(data)
mxnam <- max(nchar(names(data)))
lnam <- ncol(data)
ce <- 100*cex.diag/lnam # *get.gpar()$cex/lnam
cexd <- ce/mxnam
cexn <- ce/5
print(splom(~data, as.matrix = TRUE, main = mainL,
xlab = paste(xlabL,
"Blue: smothed in vertical, Red: smoothed in horizontal direction.\nHigh correlation corresponds to nearly parallel diagonal lines.\n",
datetime(),
sep = if (nchar(xlabL) > 0) ", " else " "),
upper.panel = function(x, y, breaks = NULL, ...)
{
minS <- 0.05
ccr <- cor(x, y, use = "complete.obs")
ccq <- sqrt(max(abs(ccr), minS))
if (is.na(ccr)) {ccr <- 0; ccq <- sqrt(minS)}
grid.text(round(ccr, 2), gp = gpar(cex = cexn*ccq))
},
lower.panel = function(x, y, ...,
span = 2/3, degree = 1,
family = "symmetric", evaluation = 50)
{
panel.xyplot(x, y, pch = 3, cex = 1.5/dim(data)[2], ...)
lo <- try(loess.smooth(x, y, span = span, degree = degree,
family = family, evaluation = evaluation))
if (!inherits(lo,"try-error"))
panel.lines(lo$x, lo$y, col.line = colYonX, ...)
lo <- try(loess.smooth(y, x, span = span, degree = degree,
family = family, evaluation = evaluation))
if (!inherits(lo,"try-error"))
panel.lines(lo$y, lo$x, col.line = colXonY, ...)
},
diag.panel = function(x, varname, limits, ...)
{
d <- density(x[!is.na(x)])
yrng <- range(d$y)
ylim <- yrng + 0.07 * c(-1, 1) * diff(yrng)
xlim <- current.panel.limits()$xlim
pushViewport(viewport(xscale = xlim, yscale = ylim))
if (hist %in% c("h", "b")) {
panel.histogram(x[!is.na(x)], breaks = NULL,
col = hist.col, type = "density", ...)
}
if (hist %in% c("d", "b")) {
llines(d)
}
grid.text(varname, y=unit(h.diag,"npc"), gp = gpar(cex = cexd))
popViewport()
},
varnames = abbreviate(names(data)), pscales = 0 )
)
} ## end SplomT
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