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Dear r-help list, I'm trying to use multiple imputation for my MSc thesis. Having good exemples using the Hmisc package, I tried the aregImpute function. But with my own dataset, I have the following error : Erreur dans matxv(X, xcof) : columns in a (51) must be <= length of b (50) De plus : Warning message: In f$xcoef[, 1] * f$xcenter :   la taille d'un objet plus long n'est pas multiple de la taille d'un objet plus court   = longer object length is not a multiple of shorter object length I first tried...

...following I get the error: > ddist2.abr <- datadist(data2.abr) > options(datadist='ddist2.abr') > cph1.abr <- cph(Surv(strt3.abr,loc3.abr)~cov.a.abr+cov.b.abr, data=data2.abr, x=T, y=T) > boot.cph1 <- bootcov(cph1.abr, B=100, coef.reps=TRUE, pr=T) 1 Error in oosl(f, matxv(X, cof), Y) : not implemented for cph models > Removing coef.reps argument works fine, but I really need the coefficients if at all possible. I cant find anything in the help files suggesting that I cant use coef.reps in a cph model. Any help appreciated. Cheers Scott _______________________...

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...text html latex example missing link(s): validate.Design latex.ols pentrace text html latex example missing link(s): nlminb plot.Design text html latex example missing link(s): key matxv survest key mgp.axis.labels win.slide gs.slide pphsm text html latex example missing link(s): print.pphsm print.cph text html latex missing link(s): print.cphfit print.coxreg print.cph.fit t...

...CRAN repository with Ubuntu 8.10. The packages are mostly hand compiled (install.packages(...)). Frank Harrel's aregImpute (in package Hmisc) : > system.time(DataTest.arI<-aregImpute(~ctr+cadredp+persmob+trea+taller +tbox+nbpradio+nbpventil+sitrea,data=DataTest,n.impute=5)) Erreur dans matxv(X, xcof) : columns in a (35) must be <= length of b (33) De plus : Warning message: In f$xcoef[, 1] * f$xcenter : la taille d'un objet plus long n'est pas multiple de la taille d'un objet plus court Timing stopped at: 0.028 0 0.028 > Examples #1 and #2 of the manual gave expe...