[R-SIG-Finance] plotting vertical lines on months in xyplot
Worik
worik.stanton at gmail.com
Wed Mar 16 03:47:11 CET 2011
I have a similar problem as Jeff had back in the day. I want to put a
vertical line on a plot
There must be a way....
Simple example:
library(xts)
v <- vector()
v[1] <- 10
for(i in 2:100){
v[i] <- v[i-1]+rnorm(1, 0, 0.01)
}
X <- xts(v, seq(as.Date("2009-01-01"), by=1, length.out=100))
plot(X)
## Try to put a vertical line in....
abline(v=X[50,])
abline(v=50)
abline(v=index(X)[50])
--
If we amplify everything, we hear nothing.
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