Nothing
diagnosis.cluster.plot <-
function(segs, chrs, min.snps, max.cex=3, ref.num.probe=NULL)
{
segs1 <- segs
segs1$chr <- sub("^chr","", segs1$chr)
segs1 <- segs1[segs1$chr %in% chrs,]
segs1$chr[segs1$chr=="X"] <- 23
segs1$chr[segs1$chr=="Y"] <- 24
segs1$chr <- as.integer(segs1$chr)
segs1 <- segs1[order(segs1$chr, segs1$posStart),]
total.num.probe <- sum(segs1$numProbe, na.rm=TRUE)
ref.num.probe <- ifelse(is.null(ref.num.probe), floor(total.num.probe/100), ref.num.probe)
## segment colors
cols.seg <- c("blue","darkgray","red","darkgreen","cyan")
names(cols.seg) <- c("loss","normal","gain","LOH","undecided")
def.par <- par(no.readonly = TRUE)
nf <- layout(matrix(c(2,4,1,3),2,2,byrow=TRUE), c(3,1), c(1,3))
##layout.show(nf)
par(mar=c(4,4,1,1))
cols1 <- cols.seg[segs1$CNV]
cexs1 <- segs1$numProbe/ref.num.probe
tmp <- cut(cexs1, sort(unique(c(0, 1e-3, 0.01, seq(0.1,1,by=0.1),max(cexs1)))), include.lowest = TRUE)
rate <- c(0.1,0.1, seq(0.1,1,by=0.1),1)
names(rate) <- levels(tmp)
cexs1 <- rate[tmp] * max.cex
plot(segs1$log2mBAF.Median, segs1$log2ratio.Median, col=cols1, cex=cexs1, lwd=2,
xlab="log2mBAF", ylab="log2ratio")
grid()
abline(h=0, v=0, lty=3, lwd=2, col="black")
abline(h=unique(segs1$log2ratio.base.Median), v=unique(segs1$log2mBAF.base.Median), lty=2, lwd=2, col="darkgray")
idx.min <- which(segs$numProbe==min.snps)
points(segs1$log2mBAF.Median[idx.min], segs1$log2ratio.Median[idx.min], col="black", cex=1)
##legend("topleft",legend=names(cols.seg), col=cols.seg, pch=1)
par(mar=c(0,4,1,1))
a <- rep(segs1$log2mBAF.Median, segs1$numProbe)
a <- round( a[!is.na(a)], 2)
b <- 100 ##seq(min(a),max(a),by=0.01)
xhist <- hist(a, b, plot=FALSE)
barplot(xhist$counts, xaxt="n", space=0)
##hist(a,b, xaxt="n", main="")
##abline(v=c(0, unique(segs1$log2mBAF.base.Median)), lty=c(3,2), col=c("black","darkgray"))
par(mar=c(4,0,1,1))
a <- rep(segs1$log2ratio.Median, segs1$numProbe)
a <- round( a[!is.na(a)], 2)
b <- 100 ##seq(min(a),max(a),by=0.01)
yhist <- hist(a, b, plot=FALSE)
barplot(yhist$counts, yaxt="n", space=0, horiz=TRUE)
## legend
par(mar=c(0,0,2,0))
plot(x=0:1,y=0:1, type="n", xaxt="n", yaxt="n", bty="n", xlab="", ylab="")
legend("topleft", legend=names(cols.seg), col=cols.seg, pch=1, cex=1.5, lty=0, lwd=3)
par(def.par)
}
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