Displaying 20 results from an estimated 500 matches similar to: "save print survfit object to data frame"
2013 Mar 04
2
survfit plot question
Hello,
I create a plot from a coxph object called fit.ads4:
plot(survfit(fit.ads4))
plot is located at:
https://www.dropbox.com/s/9jswrzid7mp1u62/survfit%20plot.png
I also create the following survfit statistics:
> print(survfit(fit.ads4),print.rmean=T)
Call: survfit(formula = fit.ads4)
records n.max n.start events *rmean *se(rmean)
median 0.95LCL 0.95UCL
203.0
2011 Apr 05
6
simple save question
Hi,
When I run the survfit function, I want to get the restricted mean
value and the standard error also. I found out using the "print"
function to do so, as shown below,
print(km.fit,print.rmean=TRUE)
Call: survfit(formula = Surv(diff, status) ~ 1, type = "kaplan-meier")
records n.max n.start events *rmean *se(rmean) median
200.000
2013 Apr 29
1
R help - bootstrap with survival analysis
Hi,
I'm not sure if this is the proper way to ask questions, sorry if not. But
here's my problem:
I'm trying to do a bootstrap estimate of the mean for some survival data.
Is there a way to specifically call upon the rmean value, in order to store
it in an object? I've used print(...,print.rmean=T) to print the summary of
survfit, but I'm not sure how to access only rmean
2013 May 22
0
rmean in survfit
One approach is to use the rms package's cph and Mean.cph functions.
Mean.cph (cph calls coxph and can compute Kaplan-Meier and other survival
estimates) can compute mean restricted life.
Frank
Dinesh W wrote
> I am using survfit to generate a survival curve. My population is such
> that my x axis is in days and i have a starting population of say 10,000
> of which say only 2000 are
2004 Apr 25
2
nonparametric multiple sample comparison
Hello all,
Here goes one of my first functions.
I want to make a nonparametric multiple sample comparison with unequal sample
sizes (see Zar?s Biostatistical Analysis, 3rd. Ed., pg. 201 Example 10.11, pg.
288 Example 11.10). In the real world, I want to compare samples of fish
length captured with different fishing gears.
After using the Kruskal-Wallis test I want to check the differences
2007 Jan 03
1
User defined split function in Rpart
Dear all,
I'm trying to manage with user defined split function in rpart
(file rpart\tests\usersplits.R in
http://cran.r-project.org/src/contrib/rpart_3.1-34.tar.gz - see bottom of
the email).
Suppose to have the following data.frame (note that x's values are already
sorted)
> D
y x
1 7 0.428
2 3 0.876
3 1 1.467
4 6 1.492
5 3 1.703
6 4 2.406
7 8 2.628
8 6 2.879
9 5 3.025
10 3 3.494
2005 Nov 10
4
write.table read.table with Dates
I've found several similar issues with write.table/read.table
with Dates on this list, but trying to follow this advice I still
get an error.
First, I read in data from several files, constructing several date/time
columns using ISOdatetime
> str(Tall$Begin)
'POSIXct', format: chr [1:40114] "2005-10-02 00:00:00" "2005-10-02
00:00:00" ...
> length(Tall$Begin)
2004 Jul 04
1
[Bug 95] inverse limit match doesn't work
https://bugzilla.netfilter.org/cgi-bin/bugzilla/show_bug.cgi?id=95
------- Additional Comments From niels.laukens@tijd.com 2004-07-04 23:29 -------
(sorry to disturb): will this (ever) fix? is it fixed with the attachement? or
won't it fix? or is there an alternative?
------- You are receiving this mail because: -------
You are on the CC list for the bug, or are watching someone who
2003 Apr 23
3
equipment
Hello, it is likely that I will have to analyze a rather sizeable dataset:
60000 records, 10 to 15 variables. I will have to make descriptive
statistics, and estimate linear models, glm's and maybe Cox proportional
hazard model with time varying covariates. In theory, this is possible in
R, but I would like to get some feedback on the equipment I should get for
this. At this moment, I have a
2009 Mar 05
1
RV: help
Dear Sirs,
I want to estimate the survival mean of a few specific teams. I'm trying to
calculate it through a Kaplan Meier estimator. For doing so, I load the
"survival" package and run the following instructions:
"options(survfit.print.mean=TRUE)" allows showing the mean and mean
standard error
"KM=survfit(Surv(Dias,Censura))"
2004 Feb 27
2
Samba and non-ascii characters
Hello everyone,
I have a problem with smbmount. After I mount a certain share, I can not
view files with weird charaters in their name. This happends for example
with the copyright char.
After searching with Google I still didn't find an answer. I guess it has
something to do with a 'charset' command, but I can't figure out wich one,
and what character table I should use...
2007 Dec 09
2
Getting estimates from survfit.coxph
Dear all,
I'm having difficulty getting access to data generated by survfit and
print.survfit when they are using with a Cox model (survfit.coxph).
I would like to programmatically access the median survival time for
each strata together with the 95% confidence interval. I can get it on
screen, but can't get to it algorithmically. I found myself examining
the source of print.survfit to
2009 Mar 30
1
Possible bug in summary.survfit - 'scale' argument ignored?
Hi all,
Using:
R version 2.8.1 Patched (2009-03-07 r48068)
on OSX (10.5.6) with survival version:
Version: 2.35-3
Date: 2009-02-10
I get the following using the first example in ?summary.survfit:
> summary( survfit( Surv(futime, fustat)~1, data=ovarian))
Call: survfit(formula = Surv(futime, fustat) ~ 1, data = ovarian)
time n.risk n.event survival
2014 Jun 05
1
Testing samba4 connection on Windows
Hi,
I installed samba4 (zentyal 3.4) and I followed the Samba4 AD DC Howto
from the wiki to test the linux-side. There all seems OK.
Unfortunately, when I try to register a Win7 PC, the domain is not
found. So what can I do to test things on the Windows-side ?
I did :
C:\net view /domain:ace_domain
returns :
\\ZENTYAL1
which is my DC
After manually "mounting" the test1-share :
C:\net
2006 Jul 27
3
how to resample (or resize) matrix?
Dear r-help,
I have a matrix, suppose, 10x10, and I need the matrix 5x5, having
in each cell a mean value of the cells from the initial matrix.
Please, point me to a function in R, which can help me doing that.
Digging the documentation and mail archives didn't give me a result.
Thank you.
---
Best regards,
Vladimir mailto:wl at eimb.ru
2003 Jul 09
3
Need a little help here.
Hi all,
I am back for more punishment-
Anyway I reinstalled my Linux using SuSe 8.2 pro. I did not install the
defualt Samba , instead I got the latest tarball for 3.0b2
I also installed webmin.
Now it comes up with error
"The Samba server executable /usr/sbin/smbd was not found. Either Samba
is not installed on your system or your module configuration is
incorrect."
Now when I
2006 Feb 01
3
inserting one backslash
Hello, I am not very familiar with regular expressions and escaping. I
need to replace the %-signs in a character vector with elements as
"income 0%-33%# to be replaced by "income 0\%-33\%" (for later use in
LaTeX). Using
gsub("%","\\%","income 0%-33%")
does not give the desired result. However, gsub("%","\\\\%","income
2006 Sep 30
3
Textmate project drawer: is there a Windows alternative?
I was reading about the project drawer feature in Textmate, which is Mac
only.
Is there a similar feature in a Windows based text editor that works with R.
This feature sounds really useful.
Thanks,
Graham
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2007 Jan 10
1
roc and lattice
Hello, I am afraid I do not fully understand all intricacies of
programming in lattice plots. In the code below I try to plot an ROC
curve, following R-news 4(1). When I condition on the variable 'group' I
get the error message below, when I plot the curve for all data (i.e., y
~ pred.prob), I get the plot I want. Can someone point out why
conditioning gives that message? Thanks, Ruud
2013 Mar 02
3
print method like print.anova()
I have a print method for a set of statistical tests, vcdExtra::CMHtest,
for which I'd like to
have more sensible printing of pvalues, as in print.anova().
[Testing this requires the latest version of vcdExtra, from R-Forge
**|install.packages("vcdExtra", repos="http://R-Forge.R-project.org")|**
]
With my current print method, I get results like this, but all Prob
values