Displaying 20 results from an estimated 9000 matches similar to: "A new task view on survival analysis"
2013 Oct 04
3
Survival
Hola Carlos.
Muchas gracias.
No es exactamente lo que estoy buscando (sería genial ver que alguien tiene un paquete con la prueba de Nam-D'Agostino) pero puedo aprovechar algo de código.
Encontré alguna referencia al test de Gronnesby&Borgan en el paquete stcoxgof de Stata, pero estoy torpe para encontrar algo hecho en R (y me extraña que no haya nada)
Un saludo,
Miguel.
De: Carlos
2013 Oct 04
0
Survival
A lo mejor si escribes a los que mantienen la Task-View de R (Survival
Analysius) te pueden dar la clave...:
CRAN Task View: Survival Analysis*Maintainer:*Arthur Allignol and Aurelien
Latouche*Contact:*arthur.allignol at fdm.uni-freiburg.de*Version:*2013-08-09
Y en Stata, como referencia adicional (que puede conducir a algo
equivalente en R):
http://www.jstatsoft.org/v53/i12/paper
Saludos,
2008 Aug 22
0
Re : Help on competing risk package cmprsk with time dependent covariate
Hello again,
I m trying to use timereg package as you suggested (R2.7.1 on XP Pro).
here is my script based on the example from timereg for a fine & gray model in which
relt = time to event, rels = status 0/1/2 2=competing, 1=event of interest, 0=censored
random = covariate I want to test
library(timereg)
rel<-read.csv("relapse2.csv", header = TRUE, sep = ",",
2001 Jul 23
2
hang-up with log="x" and segments (PR#1030)
I experienced the following problem with R 1.3.0 which is probably a
bug. The program hangs-up if 1.) a coordinate of segments is outside the
ploting region and 2.) the option log="x" is used.
##
## works fine
##
plot(1,1, xlim=c(0.5, 2), ylim=c(0.5, 2))
segments(0.5 , 1.2, 1, 0.6)
segments(0.25, 1.2, 1, 0.6)
segments(1 , 1.2, 1, 0.6)
##
## hang-up
##
plot(1,1, xlim=c(0.5, 2),
2010 Jan 05
2
Align two protein sequences using BLAST
Dear R users,
I would like to align two protein sequences using BLAST
(bl2seq). The question is whether this programm have been
implemented in R.
Thank you for your help,
Alla.
2007 Feb 13
0
Research Position Statistical Computing in Biostatistics
X-Mailer: VM 7.17 under 21.4 (patch 18) "Social Property" XEmacs Lucid
FCC: ~/mail/sent-mail
From: Jan.Beyersmann at fdm.uni-freiburg.de
--text follows this line--
hi everyone,
please find below a job advert for a research position statistical
computing in biostatistics, emphasis is on R and survival
analysis. see also wangler et al., p. 31-35 in
2009 May 05
3
Cox Proportional Hazard with missing covariate data
Dear friends,
I have used R for some time now and have a tricky question about the coxph-function: To sum it up, I am not sure whether I can use coxph in conjunction with missing covariate data in a model with time-variant covariates. The point is: I know how "old" every piece that I oberserve is, but do not have fully historical information about the corresponding covariates. Maybe you
2003 Apr 11
3
summary.formula: method reverse does not use fun argument
hi,
recently i discovered the functionability summary.formula, awesome!
from the help page i understand that method=reverse allows to
summarize all variables on the right hand side of formula
(the help page on line 229 wrongly refers to the left? hand side variables)
in categories which are determined by a single left hand side
variable.
my problem is that the argument fun seems not to be
2008 Apr 01
2
Unknown internal error
Hello,
I just found this message in our dovecot logfiles:
"Disconnected: BUG: Unknown internal error"
Should I worry about this ?
There are no complaints yet (although it is not limited to one user).
It seems to occur with different clients (Apple/MacOS mail,
Windows/Thunderbird, Pine).
We're running dovecot 1.0.10 on Solaris 10 with mboxes (NFS)
and local index storage. There are
2003 Jan 31
1
svm regression in R
Hallo,
I have a question concerning SVM regression in R. I intend to use SVMs for feature selection (and knowledge discovery). For this purpose I will need to extract the weights that are associated with my features. I understand from a previous thread on SVM classification, that predictive models can be derived from SVs, coefficiants and rhos, but it is unclear for me how to transfer this
2011 Mar 30
1
wrong calculation of R-squared in summary.lm
Dear all,
I just stumbled upon the fact, that when I perform a regression on
multivariate responses, that are not centred, I get a ricilulously high
R-squared value. After reading the code of summary.lm, I found a bug in
the function summary.lm:
mss is calculated by:
mss <-sum((f - mean(f))^2) - where f are the fitted values.
This works only for a single response variable, because
2009 Nov 25
1
tick marks on fold change versus fold change plot
Dear R users,
i try to produce the fold change versus fold change plot
where i have the values for x and y ranging from 0.01 to
100. So i start with
plot(x,y,xlim=c(0.01,100),ylim=c(0.01,100), axes=F).
Then i would like both axes to have tick marks as
c(0.01,0.1,1,10,100) but they should appear equidistant.
How should i manage this?
Thank you for your help,
Alla.
2015 Oct 22
2
C_LogLin (stats/loglin)
Hi everyone,
I have a question regarding a C function of the "stats" package in R.
I tried to understand the ?loglin? basic function of the ?stats?
package implemented in
R. The implemented function itself runs without any problem (perhaps
see sample). When I
ran it line by line it stopped at the lines 23-24 of the
loglin-function; (the following line):
z <- .Call(C_LogLin,
2000 Apr 11
2
LDFLAGS of the Makefile
I have compiled and installed OpenSSH 1.2.3 under AIX 4.3.3.
The call to configure was:
CFLAGS="-I/client/include -L/usr/ruf/lib" \
./configure --with-egd-pool=/dev/urandom \
--with-afs=/usr/afsws \
--with-kerberos4=/client \
--with-tcp-wrappers \
--with-pid-dir=/etc \
--sysconfdir=/etc \
--with-ipv4-default \
2008 Jan 25
3
symbolic links to root node
Hello,
I have a question about the way Dovecot limits file system access.
Currently we're using Dovecot 1.0.5 (Solaris 10).
In some cases users have a symbolic link like "z: -> /" in their
mail directory. As a result there are log entries like
Jan 25 13:30:31 imap1 dovecot: [ID 107833 mail.error] IMAP(xyz):
2008 Sep 26
2
ANOVA between & within variance
hi,
is there an option to calculate the 'within' & 'between' group variances
for a simple ANOVA (aov) model (2 groups, 1 trait, normally distr.) ?
or do I have to calculate them from the Sum Sq ?
thanks for your time and greetings,
gregor
--
Gregor Rolshausen
PhD Student; University of Freiburg, Germany
e-mail: gregor.rolshausen at biologie.uni-freiburg.de
tel. :
2008 Nov 27
1
Error in Comprting Risks Regression
Un texte encapsul? et encod? dans un jeu de caract?res inconnu a ?t? nettoy?...
Nom : non disponible
URL : <https://stat.ethz.ch/pipermail/r-help/attachments/20081127/cda70d6f/attachment.pl>
2009 Feb 27
2
Competing risks adjusted for covariates
Dear R-users
Has anybody implemented a function/package that will compute an individual's risk of an event in the presence of competing risks, adjusted for the individual's covariates?
The only thing that seems to come close is the cuminc function from cmprsk package, but I would like to adjust for more than one covariate (it allows you to stratify by a single grouping vector).
Any
2009 Mar 25
2
Competing risks Kalbfleisch & Prentice method
Dear R users
I would like to calculate the Cumulative incidence for an event
adjusting for competing risks and adjusting for covariates. One way to
do this in R is to use the cmprsk package, function crr. This uses the
Fine & Gray regression model. However, a simpler and more classical
approach would be to implement the Kalbfleisch & Prentice method (1980,
p 169), where one fits cause
2005 Feb 28
5
Too many open files, etc.
Hello,
a few days ago I switched out UW-server installation to
dovecot 0.99.14 (Solaris 9). There were a few client issues,
but mostly the migration was ok.
But I have still some questions/problems:
+) dovecot-auth: ... PAM: pipe() failed: Too many open files
I increased the max. number of open files. Is this normal
behaviour, that more than 512 open files are needed ?
+) we're using mbox