search for: treatgrp

Displaying 4 results from an estimated 4 matches for "treatgrp".

Did you mean: testgrp
2008 Feb 14
0
help in simplyfiying programme
...;count3=0;count4=0;count5=0;count6=0;count7=0;count8=0; count9=0; count11=0;count22=0;count33=0;count44=0;count55=0;count66=0;count77=0; count88=0;count99=0; while(s!=0){ n=100 n1=n/2 n2=n/4 t1<-array(1,c(n1)) t2<-array(2,c(n1)) treatgrp=matrix(c(t1,t2)) st11<-array(1,c(n2)) st12<-array(2,c(n2)) st21<-array(1,c(n2)) st22<-array(2,c(n2)) strata=matrix(c(st11,st12,st21,st22)) time11=array(rweibull(20,1,1/12)) time12=array(rweibull(20,1,1/12)) time21=array(r...
2007 Oct 19
0
calculating power of log rank test
...=0;count6=0;count7=0;count7=0; count8=0;count9=0 while(s!=0){ n=20 n1=n/2 n2=n/4 a11=1 ;a12=1.4 ;a21=16 ;a22=a12 * a21 t1<-array(1,c(n1)) t2<-array(2,c(n1)) treatgrp=matrix(c(t1,t2)) st11<-array(1,c(n2)) st12<-array(2,c(n2)) st21<-array(1,c(n2)) st22<-array(2,c(n2)) strata=matrix(c(st11,st12,st21,st22)) time11=array(rweibull(n2,a11,1))...
2007 Oct 29
3
using survfit
...i use plot.survfit to plot more than one graph why I only see the last graph how do i see the other graphs.for example n=20 n1=n/2 n2=n/4 a11=4;a12=4 ;a21=4 ;a22=4 t1<-array(1,c(n1)) t2<-array(2,c(n1)) treatgrp=matrix(c(t1,t2)) st11<-array(1,c(n2)) st12<-array(2,c(n2)) st21<-array(1,c(n2)) st22<-array(2,c(n2)) strata=matrix(c(st11,st12,st21,st22)) time11=array(rweibull(n2,a11,1)) time12=array(rwei...
2007 Oct 18
1
programming question
...de (I know its ugly ) but it seems to repeat two of the variables can any one tell me whats the porblem. n=20 n1=n/2 n2=n/4 a11=1 ;a12=1.4 ;a21=16 ;a22=a12 * a21 t1<-array(1,c(n1)) t2<-array(2,c(n1)) treatgrp=matrix(c(t1,t2)) st11<-array(1,c(n2)) st12<-array(2,c(n2)) st21<-array(1,c(n2)) st22<-array(2,c(n2)) strata=matrix(c(st11,st12,st21,st22)) time11=array(rweibull(n2,a11,1)) time12=array(rwei...