Hello,
was could be the reason for such an error message???
I'd like to create a window with 10x6 barplot and save it as pdf.
I tried:
pdf("histogram.pdf",width=7, height=7)
windows(cols, rows)
par(mfcol = c(rows,cols))
sapply(mat, calcHist)
dev.off()
Within the method of sapply, I call barplot
What is wrong???
Antje
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