What do you get from str(SFDC$case_age) Mark
R. Mark Sharp, Ph.D. Director of Primate Records Database Southwest National Primate Research Center Texas Biomedical Research Institute P.O. Box 760549 San Antonio, TX 78245-0549 Telephone: (210)258-9476 e-mail: msh...@txbiomed.org > On Aug 30, 2016, at 11:24 AM, Shivi Bhatia <shivipm...@gmail.com> wrote: > > I know this question has been asked zillion times but even after consulting > Stack Overflow & other forum cant figure out the reason. > > I have one var in my data-set names case age. This variable is numeric as: > > class(SFDC$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]] > > ______________________________________________ > 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. CONFIDENTIALITY NOTICE: This e-mail and any files and/or...{{dropped:10}} ______________________________________________ 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.