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doloomis
2011 Jul 25
1
error in survival analysis
...ot;), singular.ok = TRUE,
robust = FALSE, model = FALSE, x = FALSE, y = TRUE, tt, ...)
NULL
> test1<-read.table("S:/FISHDO/03_Phase_I_Field_Work/Data_6_28_2011/Working Folder/R_files/4SondesJuly24.csv", header=T, sep=",")
> sondes<-coxph(Surv(Start, Stop, Depart)~DOLoomis + DOI55 + DODamen, data=test1)
Warning messages:
1: In fitter(X, Y, strats, offset, init, control, weights = weights, :
Loglik converged before variable 1,2 ; beta may be infinite.
2: In coxph(Surv(Start, Stop, Depart) ~ DOLoomis + DOI55 + DODamen, :
X matrix deemed to be singular; variable...