[R] Survival model error
megov31 at yahoo.com
Mon Nov 6 14:45:35 CET 2017
Thanks David. Could you show me how to do that in my example ?
> On Nov 6, 2017, at 12:58 AM, David Winsemius <dwinsemius at 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.
> Sent from my iPhone
>> On Nov 5, 2017, at 7:21 PM, Meghna Govil via R-help <r-help at 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(
>> # 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.
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