Displaying 3 results from an estimated 3 matches for "drugc".
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2011 Oct 20
3
Survival analysis
Hello,
I need some results from the survival analysis of my data
that I do not know whether exist in Survival Package or how to obtain if
they do:
1. The Mean survival time
2. The standard error of the mean
3. Point and 95% Lower & Upper Confidence Intervals estimates
Any help will be greatly appreciated.
Cem
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2011 Oct 24
2
Plot Legend
...symbol in the chart drugX arise for example in a yellow
circle, and so for the rest of the drugs.
I am using the following code.
dataset
Age Sex BP Cholesterol Na K Drug
1 23 F HIGH HIGH 0.792535 0.031258 drugY
2 47 M LOW HIGH 0.739309 0.056468 drugC
3 47 M LOW HIGH 0.697269 0.068944 drugC
4 28 F NORMAL HIGH 0.563682 0.072289 drugX
5 61 F LOW HIGH 0.559294 0.030998 drugY
6 22 F NORMAL HIGH 0.676901 0.078647 drugX
7 49 F NORMAL HIGH 0.789637 0.048518 drugY
8 41 M LOW...
2011 Oct 17
3
Extracting results from a function output
...alue for
the group DrugA which is 48. "Print" function does not reveal them either.
Thank you.
> fit
Call: survfit(formula = Surv(tT, dT) ~ gT, conf.type = "log-log")
records n.max n.start events median 0.95LCL 0.95UCL
gT=DrugA 9 9 9 6 48 32 NA
gT=DrugB 9 9 9 3 NA 42 NA
gT=DrugC 9 9 9 4 NA 42 NA
gT=Vehicle 9 9 9 8 40 37 45
> str(fit)
List of 14
$ n : int [1:4] 9 9 9 9
$ time : num [1:28] 32 43 45 46 48 54 55 60 62 42 ...
$ n.risk : num [1:28] 9 8 7 6 5 4 3 2 1 9 ...
$ n.event : num [1:28] 1 1 1 1 1 0 1 0 0 2 ...
$ n.censor : num [1:28] 0 0 0 0 0 1 0 1 1 0 ...
$ surv :...