search for: lungtumor

Displaying 3 results from an estimated 3 matches for "lungtumor".

2007 Nov 01
1
Help me in Cochran armitage trend test Coding
...Error: package 'modeltools' required by 'coin' could not be found In addition: Warning messages: 1: package 'coin' was built under R version 2.6.0 2: package 'survival' was built under R version 2.5.1 3: package 'mvtnorm' was built under R version 2.5.1 > lungtumor <- data.frame(dose = rep(c(0, 1, 2), c(40, 50, 48)), + tumor = c(rep(c(0, 1), c(38, 2)), + rep(c(0, 1), c(43, 7)), + rep(c(0, 1), c(33, 15)))) > table(lungtumor$dose, lungtumor$tumor) 0 1 0 38 2 1 43 7 2 33 15 > independence_test(tumor ~ dose, data = lungtumor, teststat = &q...
2006 Dec 28
0
Cochran-Armitage statistics
Dear R-enthusiasts, I am trying to do a Cochran-Armitage test for trend in R. After consulting google I found Torsten Hothorn's remark that the 'coin' library could be used. lungtumor <- data.frame(dose = rep(c(0, 1, 2), c(40, 50, 48)), tumor = c(rep(c(0, 1), c(38, 2)), rep(c(0, 1), c(43, 7)), rep(c(0, 1), c(33, 15)))) table(lungtumor$dose, lungtumor$tumor) ### Cochran-Armitage test (...
2009 Jan 12
1
Extraction from an output
Hello, Would you tell my how to extract a result from a test - it's justified because I need to run this test many times. Here is an example from authors' test: > library("coin") > lungtumor <- data.frame(dose = rep(c(0, 1, 2), c(40, 50, 48)), tumor = c(rep(c(0, 1), c(38, 2)), rep(c(0, 1), c(43, 7)), rep(c(0, 1), c(33, 15)))) > ca.test<-independence_test(tumor ~ dose, data = lungtumor, teststat = "quad") > ca.test Asymptotic General Independence Test dat...