search for: st11

Displaying 4 results from an estimated 4 matches for "st11".

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2007 Oct 29
3
using survfit
...ast 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(rweibull(n2,a11,1)) time21=array(rweibull(n2,a21,1)) tim...
2007 Oct 18
1
programming question
...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(rweibull(n2,a12,1)) time21=array(rweibull(n2,a21,1)) tim...
2007 Oct 19
0
calculating power of log rank test
...le(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)) time12=array(rweibull(n2,a12,1)) time21=array(r...
2008 Feb 14
0
help in simplyfiying programme
...nt9=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(rweibull(30,1,0.25)) time22=array(rweibull(30,1,0.25))...