Displaying 20 results from an estimated 500 matches similar to: "(no subject)"
2002 Nov 23
1
No subject
Dear listers
Few months ago I posted a question about drqwing a NOMOGRAM with R. The
routine are there for S-Plus. A reply came promising the presence of such
routines. Any Good 'or bad' news??
Thanks in advance
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2002 Nov 23
1
No subject
Dear lister
Few months ago I posted a question about the drawing of a nomogram through R
routines. Any news?
thanks
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2002 Dec 01
2
No subject
Dear Lister
I need to perform Generalized estimating equations on some data. Has 'R' any
function or routine to do it? (GEE is same as GLM but with correlated y's)
Thanks in advance
Mostafa
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2001 Apr 07
1
Hypothesis test
Dear colleague:
Actually that is what is done.
When using the z-test between proportions in two different groups, or using
chi-squared to test the null hypothesis of equal proportions of two or more
groups, the null hypothesis is that
H0: p1=p2=p3.....=p
where this p is the pooled proportion, the proportion in the summed groups =
n1+n2+n3+..../N1+N2+N3....
in the z-test between two
2003 Oct 04
2
mixed effects with nlme
Dear R users:
I have some difficulties analizing data with mixed effects NLME and the
last version of R. More concretely, I have a repeated measures design with
a single group and 2 experimental factors (say A and B) and my interest is
to compare additive and nonadditive models.
suj rv A B
1 s1 4 a1 b1
2 s1 5 a1 b2
3 s1 7 a1 b3
4 s1 1 a2
2011 May 05
7
Draw a nomogram after glm
Hi all R users
I did a logistic regression with my binary variable Y (0/1) and 2
explanatory variables.
Now I try to draw my nomogram with predictive value. I visited the help of R
but I have problem to understand well the example. When I use glm fonction,
I have a problem, thus I use lrm. My code is:
modele<-lrm(Y~L+P,data=donnee)
fun<- function(x) plogis(x-modele$coef[1]+modele$coef[2])
2011 Jun 02
2
Removal of elements from nomograms
The rms package includes the nomogram function, which generates a list
object that can be passed to plot for graphical production of nomograms.
I would like to remove the "linear predictor" line in the graph, which
means (I suspect) removing it from the nomogram output object. I've
looked at the nomogram output object, but it is not clear to me if or
how it might be edited to
2008 Dec 09
2
R Graphics Device margins
Hello,
I am relatively new to R and am using it to run Classification and Regression Tree analysis. My only issue at this point is that numbers are always cut off on the lower nodes. I've tried changing the margins with
mai=c(0, 0.5, 0.5, 0) but this has not so far worked.
Any suggestions would be appreciated.
Best,
John Z. Metcalfe, M.D., M.P.H.
Division of Pulmonary and Critical
2007 Feb 21
2
Coxph and ordered factors
Dear useRs,
I am trying to fit a Cox PH model on survival data from a lung cancer
dataset. I would like to include the patient staging (I-IV) as a
covariate. For this I use the following function:
coxph(Surv(time,status) ~ stage)
The staging information is a categorical variable, and it is important
to take the ordering into account (I<II<III<IV). Does the coxph function
handle
2010 Mar 25
3
I have a question on nomograms.
Dear volunteer:
I am a graduate student of medcine in china.And now,I am devoting myself to constructing a nomograms of bladder cancer.I want to do it with R-project.However, I do not know how to construct a nomograms with R-project.I want to get yours help,thank you! I wish you can tell me the operating procedure of the R-project.
And I apologize for my english,it is poor,sorry!
2009 Apr 25
3
Nomogram with stratified cph in Design package
Hello,
I am using Dr. Harrell's design package to make a nomogram. I was able to
make a beautiful one without stratifying, however, I will need to stratify
to meet PH assumptions. This is where I go wrong, but I'm not sure where.
Non-Stratified Nomogram:
2004 May 21
5
T100P HDLC configuration
All,
I am trying to configure hdlc support on T100P Digium card - everything
seems ok... but it just does not work at all.
I was able to compile all drivers, the light on the card becomes green
when I plug T1 link.... but I even can't ping default router IP... there
is no data coming back to me, so I am confused completely now.
Also I tried both protocols - raw hdlc and cisco hdlc. The
2011 May 15
5
Question on approximations of full logistic regression model
Hi,
I am trying to construct a logistic regression model from my data (104
patients and 25 events). I build a full model consisting of five
predictors with the use of penalization by rms package (lrm, pentrace
etc) because of events per variable issue. Then, I tried to approximate
the full model by step-down technique predicting L from all of the
componet variables using ordinary least squares
2017 Aug 10
2
Kubernetes v1.7.3 and GlusterFS Plugin
short copy from a kubectl describe pod...
Events:
FirstSeen LastSeen Count From SubObjectPath Type Reason Message
--------- -------- ----- ---- ------------- -------- ------ -------
5h 54s 173 kubelet, k8s-bootcamp-rbac-np-worker-6263f70 Warning
FailedMount (combined from similar events): MountVolume.SetUp failed for
volume "pvc-fa4b2621-7dad-11e7-8a44-062df200059f" : glusterfs:
2007 Mar 23
3
distribution graph
I am looking for a way to produce a "distribution graph" as in the example:
(http://cecsweb.dartmouth.edu/release1.1/datatools/dgraph.php?year=2003&geotype=STD_HRR&event=A01_DIS&eventtype=UTIL
Anybody who can help?
Christian von Plessen
Department of Pulmonary Medicine
Haukeland university hospital
Bergen
Norway
2013 Jun 24
2
Nomogram (rms) for model with shrunk coefficients
Dear R-users,
I have used the nomogram function from the rms package for a logistic
regresison model made with lrm(). Everything works perfectly (r version
2.15.1 on a mac). My question is this: if my final model is not the one
created by lrm, but I internally validated the model and 'shrunk' the
regression coefficients and computed a new intercept, how can I build a
nomogram using that
2011 Nov 29
2
Nomogram with stratified cph in Design package-- failure probability
Hello,
I am using Dr. Harrell's design package to make a nomogram. I was able to
make a beautiful one. However, I want to change 5-year survival probability
to 5-year failure probability.
I couldn?t get hazard rate from Hazard(f1) because I used cph for the model.
Here is my code:
f1 <- cph(Surv(retime,dfs) ~
age+her2+t_stage+n_stage+er+grade+cytcyt+Cyt_PCDK2 , data=data11,
surv=T,
2005 May 29
1
spatially constrained clustering
Hi List,
does anyone know of an implementation of spatially constrained
clustering in R?
This is where there is a vector of measurements for points on a plane
and only neighbors can be clustered together. I have tried implementint
in myself -- but if someone has alkready done it !
I have searched on the obvios terms "spatially constrained clustering"
without any luck.
2013 Feb 14
1
Nomogram after Cox Random Effect (frailty) model
Dear R-users,
I am a novice R-user with some experience in using the RMS package for taking nomograms after various survival models.
This time, I am trying to plot a nomogram after a Random Effects Cox, implemented by the "coxme" package. My questions are:
1. Is it possible to take a nomogram directly after the coxme survival function?
2. If not is there a way to take the linear
2017 Aug 10
2
Kubernetes v1.7.3 and GlusterFS Plugin
Just created the container from here:
https://github.com/gluster/gluster-containers/tree/master/CentOS
And used stock Kubernetes 1.7.3, hence the included volume plugin and
Heketi version 4.
Humble Devassy Chirammal <humble.devassy at gmail.com> schrieb am Do., 10.
Aug. 2017, 18:49:
> ?Thanks .. Its the same option. Can you let me know your glusterfs client
> package version ??
>