Here is a toy example of what I want
library(lattice)
result <- data.frame(score = 1:10, theta = seq(from = -5, to = 5, length = 10))
result$theta2 <- result$theta + .3
xyplot(score ~ theta + theta2, result, type = c('g', 'l'))
However, in reality, the number of variables along the x-axis will vary in
unknown ways. So, I collect them in a matrix, similar to something like
thetaMat <- cbind(result$theta, result$theta2)
I recall at one point being able to pass a matrix of some form, such as
xyplot(score ~ thetaMat[,1:ncol(thetaMat)], result, type = c('g', 'l'))
This fails, and I am cannot recall the right usage for doing this without
having to stack the columns (which I'm hoping to avoid).
Can anyone suggest the right usage for this concept?
Thanks
Harold
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