[R] Problematic If-Else statement

David Winsemius dwinsemius at comcast.net
Fri Sep 16 17:35:50 CEST 2011


On Sep 16, 2011, at 11:08 AM, David Winsemius wrote:

>
> On Sep 16, 2011, at 10:36 AM, Ben Ganzfried wrote:
>
>> Hi guys,
>>
snipped
>>
>> Second, I changed the first line of my code to:
>> tmp <-
>> ifelse(uncurated 
>> $days_to_tumor_recurrence==NA,"norecurrence","recurrence")
>
> I do not know why your original did not succeed but this code should  
> have been written:
>
> tmp <-
> ifelse(is,na(uncurated 
> $days_to_tumor_recurrence),"norecurrence","recurrence")
           ^.^

Except that should have been a period.

--
David Winsemius, MD
West Hartford, CT



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