Displaying 20 results from an estimated 2000 matches similar to: "random effect in logistisk regression"
2004 Dec 13
3
bootstrap package
Hello R'ers
In previous versions of R (I now use 2.0.1) there was a package
"bootstrap". I wrote some programs that depended heavily on this package
but can unfortunately not find it on Cran today. Is there any way to
find an older version of "bootstrap" and use it with the new version -
2.0.1?
Sincerely Fredrik Lundgren
Norrk??ping
Sweden
2006 Jan 10
1
"Missing value representation in Excel before
I reproduce from memory my exhaustive look into this issue.
RODBC uses the Microsoft ODBC DLL's developed by Microsoft.
These DLL's perform an automatic determination of column type based on the contents of the first N rows of cells in each column, where N [0,16]. N may be set in the Windows system registry, and there are a few other things that may be set in the system registry which
2005 Jan 08
2
translate nroff .d or .sgml files to .rd files
Dear list,
I have some help file for S-Plus 2000 in .d and .sgml format. Is there a
way to translate these files to .Rd files to use in an R package?
Thanks Fredrik Lundgren
2006 Jan 06
1
"Missing value representation in Excel before extraction to R with RODBC"
Dear list,
How should missing values be expressed in Excel before extraction to R
via RODBC. I'm bewildered. Sometimes the representation with NA in Excel
appears to work and shows up in R as <NA> but sometimes the use of NA in
Excel changes the whole vector to NA's. Blank or nothing or NA as
representation for missing values in Excel with dateformat gives NA's of
the whole
2003 Jan 05
1
.Rprofile problems
Hello,
I''m using
_
platform i386-pc-mingw32
arch i386
os mingw32
system i386, mingw32
status
major 1
minor 6.1
year 2002
month 11
day 01
language R
and can''t get a .Rprofile file into my workspaces.
The system
2007 Jul 01
2
package with roc, sensitivity, specificity, kappa etc
Dear Guru's,
Is there a package (R of course) with programs for diagnostics - roc,
sens , spec, kappa etc?
Best wishes Fredrik L
2010 Apr 11
2
".Rhistory in Mac OS X"
Dear R'ers,
I use
R version 2.10.1 (2009-12-14)
Copyright (C) 2009 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
and
Mac OS X 10.5.8
and use to work in different dierectories. When doing so it appears as
if the .Rhistory file from my home directory always is loaded
even when I want the file from the directory where I'm working.
I have tried to fix it through preferences
2005 Mar 28
1
gnuclient problems witrh R/ESS in linux
Dear list,
Not strictly R ...
In R on Xemacs with ESS (R-2.0.1, Xemacs-21.4.15-r3, ESS-5.2.6)
on gentoo-linux
when I use k<-edit(k) or fix(k)
to change a small vector k <- c(1,2,3,4,5,6)
the opened window (called '6b8b4567') appears not to be connected to the
gnuclient
and I'm able to edit the file but has no instructions in the
minibuffer
and
C-x # gives
'6b8b4567 does
2010 Mar 24
1
"methods with * how to see"
Dear R-gurus,
When I use methods(general method) I sometimes get 'sub-methods marked
with a *. How can see the code of such *-marked methods?
Sincerly Fredrik
########################
Fredrik Lundgren
fredrik.bg.lundgren at gmail.com
Engelbrektsgatan 31
582 21 Link?ping
tel 013 - 47 30 117
mob 0706 - 86 39 29
Sommarhus: Ljungn?s 158
380 30 Rockneby
0480 - 650 98
2008 Dec 16
2
"Dotted lines at the end of the KM-curve"
R-ers!
Referees demand that the line in the KM-curve should be changed to
dotted at the point where standarerror is <= 10 %. I don't think it's
a good habit but I urgently need to implement such a thing in R with
survfit, survplot or another program. They also want numbers at risk
below the curve
Some help, please....
Fredrik
########################
Fredrik Lundgren
2008 Oct 05
3
"Update in Mac OS"
Dear R-ers,
I'm using R 2.7.1 Mac OS. What is the best way for update to 2.7.2 to
keep my previous libraries?
Fredrik
########################
Fredrik Lundgren
fredrik.bg.lundgren at gmail.com
Obs! Ny adress och mail
Engelbrektsgatan 31
582 21 Link?ping
013 - 47 30 117
0706 - 86 39 29
Sommarhus: Ljungn?s 158
380 30 Rockneby
0480 - 650 98
2000 Feb 26
1
Problem with 'link.html.help()'
Hello,
I just recently installed R 0.99 and use Windows 98.
It appears as if
link.html.help()
locks the system. But somehow the information on 'Mass' is there but not about 'survival5'. Both these libraries are
installed and functions OK.
Any help available?
Fredrik Lundgren
Norrk?ping
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2003 May 04
2
'rush of graphs on the screen'
Hello R experts,
When I try e. g. example(plot) in R 1.7.0 on Linux, the example graphs rush
away on the screen before my eyes. How can I see them one at a time?
Sincerely Fredrik Lundgren
2004 Jan 01
4
force fixed format
Hello,
A small problem I can't solve
> p <- 0.0001
> p
[1] 1e-04
How can I force the printout of p to 0.0001?
I have tried 'format', 'round', 'signif', 'print' in different combinations without success.
Fredrik Lundgren
2010 Apr 04
2
"mantel.haenszel.test for trend in S-plus doesn't work i R"
Dear R'ers,
When I used S-plus i wrote a small program for a Mantel-Haenszel test
for trend (I think it worked). Unfortunately I can't get it working in
R.
It appears as if my use of 'el' is the problem but I can't sort it out.
Error in apply(array, c(, 2, 3), function(el) el * 1:s) :
argument is missing, with no default
Further down in the program I use 'el'
2002 Jun 29
3
Scripts in R?
Hello,
In S-Plus for windows there is a possibility to work with 'scripts' (at least from version 4.5). Is there an equivalent 'function' in R or is there a simular way to work in R
Sincerely
Fredrik Lundgren
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Send
2003 Mar 15
2
Help.start, .Renviron , and .Rprofile
Hello experienced R-ers,
I'm converting from S-Plus Win 98SE to
SuSE 8.1, R 1.62 and have run into som problems.
1) When I use help.start() netscape comes up OK and all links are accessible except "Search Engine & Keywords" : search doesn't work and the keywords from base doesn't respond either. ?command within R gets netscape running and works OK.
2) I haven't
2003 Apr 05
3
slides in linux R
Hello,
In S-Plus Windows you can transform graphics to Powerpoint very easily, in R Windows you can use enhanced metafiles (.emf) and Powerpoint almost as easy. Is there a simular way with R in Linux to transform to the presentation program in StarOffice or OpenOffice or are you stuck with the pdf device?
Fredrik Lundgren
2004 Jan 14
1
estimation of lambda and gamma with std errors for a weibull model
Dear R experts,
How should lambda and gamma (with std.errors) be calculated for a weibull model with age as an independent predictor? I have assumed that this can be done with survreg with e. g. (summary(survreg(Surv(time, status) ~ age, dist = 'weibull')) ) and predict.survreg with e.g. (predict(model, se.fit = T, newdata = data.frame(age = seq(50, 80, 5)) but unfortunately I'm
2004 Dec 28
1
editing a package directly from R
Dear R,
I have made a package 'myfuncs' of some home made functions and
installed it without problems. It contains no C or fortran code and no
dynamic link library. Is there a way to edit this package directly from
R (or Xemacs with ESS) or do I always have to edit the source and then
reinstall the package? I have a weak memory that such editing could be
done in S-Plus 2000 or 6.1?