You did not say what operation gave you the error. I can get that message (which is not an "error") if I print an illegally constructed data.frame, one without the row.names attribute.
> illegalDF <- structure(class="data.frame", list(ColumnA = 1:3)) > illegalDF [1] ColumnA <0 rows> (or 0-length row.names) > str(illegalDF) 'data.frame': 0 obs. of 1 variable: $ ColumnA: int 1 2 3 Note how str() of the entire data.frame indirectly informs you of the problem: the number of observations does not match the length of the columns. How did you make the data.frame? Bill Dunlap TIBCO Software wdunlap tibco.com On Tue, Aug 30, 2016 at 9:24 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. > [[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.
