[R] 0 rows> (or 0-length row.names)

[Mark Sharp]

What do you get from
str(SFDC$case_age)

Mark

R. Mark Sharp, Ph.D.
Director of Primate Records Database
Southwest National Primate Research Center
Texas Biomedical Research Institute
P.O. Box 760549
San Antonio, TX 78245-0549
Telephone: (210)258-9476
e-mail: msharp at TxBiomed.org







> On Aug 30, 2016, at 11:24 AM, Shivi Bhatia <shivipmp82 at gmail.com> wrote:
>
> I know this question has been asked zillion times but even after consulting
> Stack Overflow & other forum cant figure out the reason.
>
> I have one var in my data-set names case age. This variable is numeric as:
>
> class(SFDC$case_age)
>
> *numeric*
>
> however it throws this error:
>
> <0 rows> (or 0-length row.names)
> As checked this only happens either there is some space at the end of the
> variable name, or there are no values whereas this is a numeric variable
> with no missing values and has a total of 5400 observations.
>
> This var has a range from 0 to 240 in number of days for case variable
> hence i need to do a logarithm transformation & make it use in the model.
> Total unique obs are around 1500.
>
> Please advice.
>
> [[alternative HTML version deleted]]
>
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