When you call xyplot in a for loop you have to use the print command. For
instance modifying the xyplot example:
The following wont work:
Depth <- equal.count(quakes$depth, number=8, overlap=.1)
for(i in 1:3){xyplot(lat ~ long | Depth, data = quakes)}
But this will:
for(i in 1:3){print(xyplot(lat ~ long | Depth, data = quakes))}
Regards
Wayne
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] Behalf Of Samor Gandhi
Sent: 01 October 2007 15:20
To: [EMAIL PROTECTED]
Subject: [R] xyplot
Hello,
I am calling the following code with the loop! It makes 3 out graphs but
empty! COuld you help me plase on that? Thank you in advance
z1 <- dbConnect(MyData, "something", "A1", "A2")
for (tt in c("xyz", "abc", "m1")) {
message(paste("Here", tt, "!!!"))
mydata <- dbReadTable(z1, tt)
jpeg(file=paste("D:/", tt, ".jpg", sep=""), width=00, height=100)
plot.method="bitmap"
xyplot(MyVALUE ~ MyNo | as.character(ID), data = mydata, main = tt, xlab = "
", ylab = " ", type="l")
dev.off()
}
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