2011/12/11 Esteban Cervetto <estebancs...@gmail.com>
> I am working with uncensored data.
>
> I have duration of workers compensation. Then I have for each the number
> of days thet it doesn't work.
> This sample is not censored at right because I query only work accidents
> with date of return of work (saned)
>
> That is because I have only one vector: the number of days that the worker
> doesn't work.
> Reading works that uses this library, noticed that it need's a vector to
> mark the type of termination. That is because I did a formula Y(x) = 1
> as.numeric(T.**201110))~1
>
> Your words were inspired me to do this: I solvet it putting to T.201110
> this proper vector and a vector of ones.
>
T.201110$censor <- apply(T.201110,1,function(row) 1) ##is there a
best method to do that? it takes much time
I believe that this vector is superfluous, because the result of the
formula is ever 1
> km1<-survfit(Surv(T.201110$dias,T.201110$censor)~1)
>
>
> 2011/12/10 David Winsemius <dwinsem...@comcast.net>
>
>>
>> On Dec 10, 2011, at 6:39 PM, capitantyler wrote:
>>
>> done it, again, i have the next problem
>>>
>>> my traduction:
>>> "The object (list) cannot be corced as "double"
>>>
>>> Original:
>>> *km1 <- survfit(Surv(as.numeric(T.**201110))~1)*
>>> Error en Surv(as.numeric(T.201110)) :
>>> el objeto (list) no puede ser coercionado a 'double'
>>>
>>
>> I do not read that language, but I am surprised to see a single vector
>> being used as an argument to Surv(). When I use Surv(. , .) it is with two
>> vectors, an interval and a censor variable.
>>
>>
>>
>>> note that need it convert to numeric class, otherwise:
>>>
>>> *km1 <- survfit(Surv((T.201110))~1)*
>>> Error en Surv((T.201110)) : Time variable is not numeric
>>> --
>>> View this message in context: http://r.789695.n4.nabble.com/**
>>> Kaplan-Meier-survfit-problem-**tp2015369p4181476.html<http://r.789695.n4.nabble.com/Kaplan-Meier-survfit-problem-tp2015369p4181476.html>
>>>
>>
>> Context? Yes. We do want context, but we don't want to go to no steenking
>> Nabble.
>>
>>
>> Sent from the R help mailing list archive at Nabble.com.
>>>
>>> Arrrgh. The rhelp mailing list is NOT at Nabble. Nabbel si a commercial
>> mirror of the real thing. And it isn't really an archive. either, since
>> they start discarding posts after a year or two.
>>
>> --
>> David Winsemius, MD
>> West Hartford, CT
>>
>>
>
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