I am trying to create plots within a for loop and output them to a pdf.
Here is a working example using plot:
gg <- data.frame(datadate=1:4, spread=5:8)
pdf()
for (i in 1:3) {
plot(gg$datadate, gg$spread, main=i)
}
dev.off()
I am trying to learn more about ggplot2 so I try a slight modification
and it doesn't work. Anyone know how to do this using qplot in ggplot2?
gg <- data.frame(datadate=1:4, spread=5:8)
pdf()
for (i in 1:3) {
qplot(gg$datadate, gg$spread, geom="line", main=i)
}
dev.off()
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