search 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 [[alternative HTML version
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 :...