Displaying 2 results from an estimated 2 matches for "ips3".
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2011 Feb 25
1
Forced inclusion of varaibles in validate command as well as step
...ardless of AIC or p value.
This is my present log over commands
************
library(rms)
library(survival)
library(Hmisc)
data1 <- read.table("optimism.csv", header=T, sep=",")
attach(data1)
coxmodel4 <- coxph(formula=Surv(OS,mors) ~
iAJCC2+iAJCC3+iPS2+iPS3++alder_diag+gender+vol_GTV+iforb2+iforb3+hem_LNL+ser
o_thromb+LDH_UNL+ALAT_UNL+BASP_UNL+sero_bili+resection_perf+sero_WBC,
data=data1, x=TRUE, y=TRUE,method=c("efron"))
coxmodel.streg<-step(coxmodel4)
I would like to "lock" iAJCC2 iAJCC3 and iPS2 + iPS3 regardless, but I...
2011 May 04
1
Str info. Thanks for helping
...ot;
> ..$ Df : num [1:2] 3 129
> ..$ Sum Sq : num [1:2] 3.31 6.18
> ..$ Mean Sq: num [1:2] 1.1045 0.0479
> ..$ F value: num [1:2] 23 NA
> ..$ Pr(>F) : num [1:2] 5.19e-12 NA
>
>
> There are several more but they are just repeats of this one only with IPS2, IPS3,...
>
> The command:
>
>> SA1<-as.vector(SA$"Reponse IPS1")
>
> Returns
>
>> NULL
>
> As do several variations I have tried. Any ideas.
--
Ivan CALANDRA
PhD Student
University of Hamburg
Biozentrum Grindel und Zoologisches Institut und...