[R] Question on qplot

[smu at z107.de]

hey,

On Sat, Jul 18, 2009 at 01:52:34AM -0700, RON70 wrote:
> 
> Hi, suppose I have following codes :
> 
> library(zoo); library(ggplot2)
> dat <- matrix(rnorm(500*2), 500); dat <- zooreg(dat, start =
> as.Date("01/01/01", "%m/%d/%y"), frequency=1); plot(dat)
> head(dat); month.no <- format(index(dat), "%m"); dat1 <-
> cbind(coredata(dat), as.numeric(month.no))
> 
> x <- dat1[,1]; y <- dat1[,2]; z <- dat1[,3]
> 
> 
> Now I draw a qplot like :
> qplot(x, z)
> 
> It is ok........
> However if I reverse that like
> qplot(z, x)
> I am getting strange plot. I expected it should look just like transpose of
> above plot.

Using your code I get the transposed plot.

regards,
 stefan