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Since I just experienced another crash on R 1.4.0 for Windows (this time is on plot(x, y) after using gls() of package nlme) and am told (thanks Andy) that is might due to the "official" version of binary copy. I am also told that "The one provided by Prof. Ripley is known to work. This has been asked several times on the list." Then, I am wondering when the

Please forgive me if this has been asked and answered, since I just can't find out. As I try the example given in the help page of xyplot() as follows: > library(lattice) Loading required package: grid Attaching package `lattice': The following object(s) are masked from package:base : levels > data(quakes) > xyplot(long ~ lat , data = quakes) R crashed!

Dear R users: How can I use panel.qqmathline, in package lattice, to add straight lines onto the plots generated by qqmath? I read help pages of qqmath, panel.qqmathline, xyplot, ..., but just can't one example that shows how to make it work. For example, > data(sleep) > qqnorm(~ extra | group, data=sleep, aspect=1) how can I use panel.qqmathline? Thanks very much for your help,

Dear all, I found that the plotmath seems won't work on xlab in plot (and other plot functions including matplot, contour, ...): > plot(1:10, 1:10, xlab=expression(alpha)) the plot shows nothing for x-label. My R-version is R.1.1.0 > version _ platform Windows arch x86 os Win32 system x86, Win32 status major 1

Dear userR, With the following results, are they correct or acceptable? > x <- c(1.4, 1.2, 2.8) > sum(x) [1] 5.4 > sum(x) == 5.4 [1] FALSE > (1.4 + 1.2 + 2.8) - 5.4 [1] -8.881784e-16 > (1.4 + 1.2) - 2.6 [1] -4.440892e-16 > 2.6 - 1.5 - 1.1 [1] 0 > version _ platform i386-pc-mingw32 arch i386 os mingw32 system i386, mingw32 status major 2 minor