Displaying 7 results from an estimated 7 matches for "whanger".
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changer
2016 Apr 16
1
a replace for subset
-Thank you James, well the problem of my type of data is that there can be many possible subsets and therefore plots, and I want to automatically generate them, and facet_wrap does not give me all the possible cases
On Saturday, April 16, 2016 6:01 AM, James C. Whanger <james.whanger at gmail.com> wrote:
Would facet_wrap or facet_grid give you what you want?
On Sat, Apr 16, 2016 at 8:45 AM, ch.elahe via R-help <r-help at r-project.org> wrote:
Hi,
>I have a data set (mydata), which a part of this is like the following:
>
>
>'data....
2016 Apr 16
0
a replace for subset
...gt; R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide
> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
--
*James C. Whanger*
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2016 Apr 16
3
a replace for subset
Hi,
I have a data set (mydata), which a part of this is like the following:
'data.frame': 36190 obs. of 16 variables:
$ RE : int 38 41 11 67 30 18 38 41 41 30 ...
$ LU : int 4200 3330 530 4500 3000 1790 4700 3400 3640 4000 ...
$ COUNTRY : Factor w/ 4 levels "DE","FR","JP", "FR"?
$Light
2010 Nov 12
3
predict.coxph
Since I read the list in digest form (and was out ill yesterday) I'm
late to the discussion.
There are 3 steps for predicting survival, using a Cox model:
1. Fit the data
fit <- coxph(Surv(time, status) ~ age + ph.ecog, data=lung)
The biggest question to answer here is what covariates you wish to base
the prediction on. There is the usual tradeoff between too few (leave
out something
2010 Nov 15
1
... predict.coxph
>If you are looking at radioactive decay maybe but how often do
>you actually see exponential KM curves in real life?
Exponential curves are rare. But proportional hazards does not imply
exponential.
> A trial design
could in fact try to get all the control sample to "event" at the same
time if enough was known about prognostic factors and natural trajectory
You are a
2013 Feb 01
2
help on proportions
Hi:
Apologies for asking the following question. As?this may sound very basic and stupid for this forum?, I honestly do not know how to solve it and I do not have a teacher who can help me understand.
?
I have list of genes (200)?that are involved in a particular process and I call this as a?ProcSet.?? From an independent experiment I found that out of 10,000 genes, 1500 are significant and I
2010 Nov 11
2
predict.coxph and predict.survreg
Dear all,
I'm struggling with predicting "expected time until death" for a coxph and
survreg model.
I have two datasets. Dataset 1 includes a certain number of people for which
I know a vector of covariates (age, gender, etc.) and their event times
(i.e., I know whether they have died and when if death occurred prior to the
end of the observation period). Dataset 2 includes another