My script:
raw = read.table("c:\\Documents and Settings\\protein\\My Documents\\My
Fragments\\file1.txt", header = TRUE)

#Normal Average Signal VS Pool
jpeg("Normal Average Signal vs Pool_test.jpg", width = 800, height = 600)
xx_norm = raw[,3]
yy_norm = rowMeans(raw[,4:13])
plot(xx_norm, yy_norm)
dev.off()

I confirmed that the data base works and the plot function does work on its
own. But whenever I try running it and output to jpg, it gives me "null
device"
the whole script was working just earlier.
thanks for the help.


-- 
Edward Chen

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