[R] Package repository on Linux machine and upgrading R

2010-08-20 Thread Vinh Nguyen
Dear list, I remember running into a thread on this topic in one of the R mailing lists before but I can't seem to find it now. Basically, I remember a discussion on how one can set up where R packages can be installed so that when we upgrade the R version on the machine, the packages are still

[R] Package repository on Linux machine and upgrading R

2010-08-20 Thread Vinh Nguyen
accessible.  One can back up this package location as well and bring it to a new computer.  I remember Dirk Edd being one of the discussants. Can someone point me to this discussion?  Thanks. -- Vinh Nguyen Department of Statistics Donald Bren School of ICS 2231 Bren Hall University of California

[R] survey package: weights used in svycoxph()

2010-05-17 Thread Vinh Nguyen
Dear R-help, Let me know if I should email r-devel instead of this list.  This message is addressed to Professor Lumley or anyone familiar with the survey package. Does svycoxph() implement the method outlined in Binder 1992 as referenced in the help file?  That is, are weights incorporated in

[R] proportion of treatment effect by a surrogate (fitting multivariate survival model)

2010-05-17 Thread Vinh Nguyen
Dear R-help, I would like to compute the variance for the proportion of treatment effect by a surrogate in a survival model (Lin, Fleming, and De Gruttola 1997 in Statistics in Medicine). The paper mentioned that the covariance matrix matches that of the covariance matrix estimator for the

[R] survey package: weights used in svycoxph()

2010-05-17 Thread Vinh Nguyen
Dear R-help, Let me know if I should email r-devel instead of this list. This message is addressed to Professor Lumley or anyone familiar with the survey package. Does svycoxph() implement the method outlined in Binder 1992 as referenced in the help file? That is, are weights incorporated in

Re: [R] survey package: weights used in svycoxph()

2010-05-18 Thread Vinh Nguyen
On Tue, May 18, 2010 at 8:50 AM, Thomas Lumley tlum...@u.washington.edu wrote:   I don't believe so since svycoxph() calls coxph() of the survival package and weights are applied once in the estimating equation.  If the weights are implemented in the ratio, could you point me to where in

Re: [R] proportion of treatment effect by a surrogate (fitting multivariate survival model)

2010-05-18 Thread Vinh Nguyen
On Mon, May 17, 2010 at 7:42 PM, Vinh Nguyen vqngu...@uci.edu wrote: Dear R-help, I would like to compute the variance for the proportion of treatment effect by a surrogate in a survival model (Lin, Fleming, and De Gruttola 1997 in Statistics in Medicine).  The paper mentioned

[R] Embedding R's math expressions fonts for graphics generated by pdf() and postscript()

2011-05-12 Thread Vinh Nguyen
Dear list, First, I am not writing to ask about embedding Computer Modern font in graphics produced by R. I am generating plots to be saved using pdf() and postscript() in R, and I make use of some math expressions that are provided by R, namely, some greek letters. My question is, do I need to

[R] segfault with readDCF on R 3.1.2 on AIX 6.1 when using install.packages

2014-11-11 Thread Vinh Nguyen
Dear list, I was able to successfully compile R on our AIX box at work using the GNU compilers following the instructions on the R Administration guide. The output can be seen at here (https://gist.github.com/nguyenvinh/504321ea9c89d8919bef) and yields no errors . However, I get a segfault

Re: [R] segfault with readDCF on R 3.1.2 on AIX 6.1 when using install.packages

2014-11-11 Thread Vinh Nguyen
: segfault from C stack overflow On R 2.15.3, I do not see the error. Thanks! -- Vinh On Tue, Nov 11, 2014 at 8:10 AM, Vinh Nguyen vinhdi...@gmail.com wrote: Dear list, I was able to successfully compile R on our AIX box at work using the GNU compilers following the instructions on the R

Re: [R] segfault with readDCF on R 3.1.2 on AIX 6.1 when using install.packages

2014-11-11 Thread Vinh Nguyen
On Tue, Nov 11, 2014 at 10:06 AM, Jeff Newmiller jdnew...@dcn.davis.ca.us wrote: Perhaps you are not using a compatible compiler. I believe this is off-topic for this mailing list, though.. see the Posting Guide. I'll move this question to r-devel. Thanks. -- Vinh