Thanks David. Could you show me how to do that in my example ? Thanks, Meghna
> On Nov 6, 2017, at 12:58 AM, David Winsemius <dwinsem...@comcast.net> wrote: > > You should stop trying to use matrices on the RHS and using separate vectors > to Surv. Instead use a data argument and have the names in your formula refer > to column names. > > — > David > > Sent from my iPhone > >> On Nov 5, 2017, at 7:21 PM, Meghna Govil via R-help <r-help@r-project.org> >> wrote: >> >> >> Hi - Below is my code and then the error when I run the last line. >> >> time_np <- train1_na$tte >> event_np <- train1_na$censored >> >> >> X_np <- cbind( >> train1_na$AMT, >> train1_na$DISCOUNT_AMT, >> train1_na$high_price_pcnt, >> train1_na$EM_RECEIVED, >> train1_na$DM_RECEIVED, >> train1_na$TXN_WITH_RINGCODE, >> train1_na$WEB, >> train1_na$clearance_pcnt, >> train1_na$bts_pcnt, >> train1_na$sales_pcnt, >> train1_na$holiday_pcnt, >> train1_na$TXN, >> train1_na$REDEEMED_REWARDS >> >> ) >> >> # Kaplan-Meier non-parametric analysis >> >> kmsurvival_np <- survfit(Surv(time_np,event_np) ~ X_np) >> >> Error in `[.default`(y, who, 1) : (subscript) logical subscript too long >> >> Any ideas? >> I have tried several things and still get this error. >> >> >> Thanks, >> Meghna >> >> ______________________________________________ >> R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >> https://stat.ethz.ch/mailman/listinfo/r-help >> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html >> and provide commented, minimal, self-contained, reproducible code. > ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.