[R] help installing Design package OS-X

(ui.pks, CRAN= getOption(where), lib = .libPath()[1] or install.fom.file() npackage installatiion failed in case someone has the binary package for OS-X , please let me know. frank mattes -- Frank Mattes, MDe-mail: [EMAIL PROTECTED

[R] I have a problem with the log2 function

Dear R users, according the help(log), the function log2(x) should give the natural logarithm of x. I expect in case of x=2 to to get 0.6931, however, R gives me 1 as a result. Similar, logb(2,2) gives 1 again. I'm wondering if I have missed something ? Yours Frank -- Frank Mattes, MD

[R] advise for modeling a linear mixed model

and an effect of the variable gated on the frequency. I'm appreciate any help, and apologize in case I have not read carefully the available documentation. Frank -- Frank Mattese-mail: [EMAIL PROTECTED] Department of Virology fax 0044(0)207 8302854 Royal

[R] help with Tukey Mean-Difference Plot

think I don't get a Tukey Mean-Difference plot. It looks to me that only x=x+y/2 and y=x+y. transformation is performed (a=a+b; b=b+a/2). and the result is displayed as lattice graphic. It would be great if anyone could help me to find the error in my plot. May thanks Frank -- Frank Mattes

[R] losing color in panal.xyplot (lattice)

to the grouping variable. Yours Frank -- Frank Mattes, MDe-mail: [EMAIL PROTECTED] Department of Virology fax 0044(0)207 8302854 Royal Free Hospital and tel 0044(0)207 8302997 University College Medical School London

[R] how to get a line plot before/after treatment

and generate a dotplot with before and after as x-scale, the elements of before and after on the y-scale and the corresponding elements connected with a line. However, so far I couldn't figure out how to do this in R. If anyone as a suggestion, please let me know Many thanks Frank -- Frank

[R] ? building a database with a the great examples

the help document Rtips. I have no clue if this is possible to do nor how time consuming the maintaining would be. This is just my view how the help list could be improved Yours Frank -- Frank Mattes, MDe-mail: [EMAIL PROTECTED] Department of Virology fax

[R] different plot symbols according to a factor

=c(1,2)[c]) which didn't work. I appreciate if someone from the list could direct me in the right direction Yours Frank Frank Mattes, MD Department of Virology Royal Free and University Medical School London __ [EMAIL PROTECTED] mailing list http

[R] help drawing kaplan-meier plot starting from 0

direction where I can find the answer. Many thanks in advance Frank Frank Mattes, MD Department of Virology Royal Free and University Medical School London __ [EMAIL PROTECTED] mailing list http://www.stat.math.ethz.ch/mailman/listinfo/r-help