Skip to content

Search Archives

Search tips
from:Name Search by author name, e.g. from:Duncan Murdoch "exact phrase" Match an exact phrase word1 word2 Match messages containing both words Date range Use the date pickers to filter results to a time period

Use the list dropdown to narrow results to a specific mailing list. Combine from: with other terms to filter by author and content.

257 results for “from:Christos Hatzis”

String manipulation and formatting
Christos Hatzis · Jul 17, 2006 · r-help

An embedded and charset-unspecified text was scrubbed... Name: not available Url: https://stat.ethz.ch/pipermail/r-help/attachments/20060717/9e81e916/attachment.pl

book on regular expressions
Christos Hatzis · Dec 11, 2007 · r-help

An embedded and charset-unspecified text was scrubbed... Name: not available Url: https://stat.ethz.ch/pipermail/r-help/attachments/20071211/d9591441/attachment.pl

functions flagged for debugging
Christos Hatzis · Mar 27, 2009 · r-help

An embedded and charset-unspecified text was scrubbed... Name: not available URL: <https://stat.ethz.ch/pipermail/r-help/attachments/20090327/a3dc22b6/attachment-0002.pl>

help fo finding R package "utils"
Christos Hatzis · Oct 26, 2006 · r-help

An embedded and charset-unspecified text was scrubbed... Name: not available Url: https://stat.ethz.ch/pipermail/r-help/attachments/20061026/a67c2169/attachment.pl

Library file for the R engine in Windows?
Christos Hatzis · Dec 4, 2006 · r-devel

An embedded and charset-unspecified text was scrubbed... Name: not available Url: https://stat.ethz.ch/pipermail/r-devel/attachments/20061205/2572157b/attachment.pl

Library file for the R engine in Windows?
Christos Hatzis · Dec 4, 2006 · r-devel

An embedded and charset-unspecified text was scrubbed... Name: not available Url: https://stat.ethz.ch/pipermail/r-devel/attachments/20061204/88c401a9/attachment.pl

interaction terms in formula of lm or glm
Christos Hatzis · Apr 17, 2006 · r-help

An embedded and charset-unspecified text was scrubbed... Name: not available Url: https://stat.ethz.ch/pipermail/r-help/attachments/20060417/511a8875/attachment.pl

how to 'get' an object that is part of a list
Christos Hatzis · Dec 23, 2006 · r-help

An embedded and charset-unspecified text was scrubbed... Name: not available Url: https://stat.ethz.ch/pipermail/r-help/attachments/20061224/3e7066dc/attachment.pl

Time-varying coefficients in Cox regression model
Christos Hatzis · Nov 23, 2005 · r-help

Dear All, I was wondering whether there is an R/S implementation of Gray's method (JASA 1992) for B-spline based time-varying coefficients in Cox regression models. I have searched the R help archive on the subject and...

how funciton "expression" produces subscript
Christos Hatzis · Apr 18, 2006 · r-help

See ?plotmath for the answer to your question and many more regarding math expression drawing. It might be worth printing this help page for future reference. -Christos -----Original Message----- From: r-help-bounces at stat.math.ethz.ch [mailto:r...

installing RKWard on RHEL
Christos Hatzis · Dec 23, 2009 · r-sig-fedora

Hello, I am trying to install RKWard to an RHEL workstation. I tried $ yum install rkward but that did not work as it could not find the package in the standard repositories. The RKWard project page suggests that You can...

Installing R on RedHat EL 5
Christos Hatzis · Nov 13, 2009 · r-sig-fedora

Hi, I am totally new to Linux and trying to install R and related tools. I downloaded the rpm files for el4/x86_64 from the CRAN repository and tried to run rpm but it did not go through complaining...

A vectorization question
Christos Hatzis · Jan 9, 2007 · r-help

Hi, A function calculates the absolute difference between the two largest values of each row of a matrix, as shown in the following example code: cx <- matrix(runif(15),5) cy <- t( apply(cx, 1, order, decreasing=TRUE) ) cz <- rep...

'attach workspace' on R console File menu
Christos Hatzis · May 16, 2007 · r-devel

Quite often I save misc functions and data objects as .RData files that I can use in other sessions. Although I could 'Load Workspace" these files, most of the times I prefer attaching them. It would be really convenient to...

Graphics device size
Christos Hatzis · Apr 11, 2006 · r-help

Dear All, When working with composite plots many times I have to manually adjust the graphics display window size to get the best results (in Windows XP). I can then find the size of the adjusted window in inches using...

Graphics device size
Christos Hatzis · Apr 11, 2006 · r-help

Dear All, When working with composite plots many times I have to manually adjust the graphics display window size to get the best results (in Windows XP). I can then find the size of the adjusted window in inches using...

Statistical Tests
Christos Hatzis · Mar 20, 2009 · r-help

The following site is your friend: http://www.rseek.org/ -Christos > -----Original Message----- > From: r-help-bounces at r-project.org > [mailto:r-help-bounces at r-project.org] On Behalf Of > Meenu.Sahi at ingim.com > Sent: Friday, March...

testing proportional hazard in a Cox model including atime-varying covariate
Christos Hatzis · Apr 3, 2006 · r-help

See ?cox.zph in library 'survival' -Christos -----Original Message----- From: r-help-bounces at stat.math.ethz.ch [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Boudreau Jean-Francois Sent: Monday, April 03, 2006 2:58...

Number of words in a string
Christos Hatzis · Apr 9, 2008 · r-help

length(unlist(strsplit(C, ' '))) > -----Original Message----- > From: r-help-bounces at r-project.org > [mailto:r-help-bounces at r-project.org] On Behalf Of Shubha > Vishwanath Karanth > Sent: Wednesday, April 09, 2008 11:21 AM > To: r-help at...

create a vector
Christos Hatzis · May 17, 2006 · r-help

paste("A", 1:300, sep="") -----Original Message----- From: r-help-bounces at stat.math.ethz.ch [mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of YIHSU CHEN Sent: Thursday, May 18, 2006 12:56 AM To: R...

Can't find what you're looking for? Try searching with Google .