Hello:
I recall something like this being discuss recently, but I can't seem
to locate an example in the archives. I have data like the following:
df - expand.grid(1:4, 1992:2002)
names(df) - c(MSA, YEAR)
df$IDUPREV - runif(44)
df$VALIDAT - rnorm(44)
I want to create an xyplot() with
Try this:
xyplot(IDUPREV + VALIDAT~ YEAR | MSA, data = df, type= c(smooth, o))
On 11/23/06, Chuck Cleland [EMAIL PROTECTED] wrote:
Hello:
I recall something like this being discuss recently, but I can't seem
to locate an example in the archives. I have data like the following:
df -
