Thanks all for the responses. As Murphy would have it, after posting my query I found the problem. I had a function defined that did some value mapping and I had a stray line of code in the function. Actually a legitimate line of code that was just in the wrong place.
Cheers, Mark On Sun, Apr 26, 2015 at 5:39 PM, Jeff Newmiller <jdnew...@dcn.davis.ca.us> wrote: > Not reproducible [1], so any response likely to be a guess. However, you > likely have not put everything that is in your interactive environment into > the knitr document, so you are not working with the same data in those two > environments. > > [1] > http://stackoverflow.com/questions/5963269/how-to-make-a-great-r-reproducible-example > --------------------------------------------------------------------------- > Jeff Newmiller The ..... ..... Go Live... > DCN:<jdnew...@dcn.davis.ca.us> Basics: ##.#. ##.#. Live Go... > Live: OO#.. Dead: OO#.. Playing > Research Engineer (Solar/Batteries O.O#. #.O#. with > /Software/Embedded Controllers) .OO#. .OO#. rocks...1k > --------------------------------------------------------------------------- > Sent from my phone. Please excuse my brevity. > > On April 26, 2015 1:41:32 PM PDT, Mark Drummond <m...@markdrummond.ca> wrote: >>knittr is giving me the above error. The code it is failing on is >>multiplying two numeric features of a data frame. I can run the code >>by hand and it works fine, but when I try to knit my document, knittr >>chokes on the same line. >> >>When kitting: >> >>Quitting from lines 161-175 (RepData_PeerAssessment2.Rmd) >>Error in storm_data$PROPDMG * storm_data$property_damage_cost_factor : >> non-numeric argument to binary operator >>Calls: <Anonymous> ... handle -> withCallingHandlers -> withVisible -> >>eval -> eval >>Execution halted >> >>Running the same lines manually (CTRL+Enter) from the .Rmd file: >> >>> storm_data$total_damage <- >>+ (storm_data$PROPDMG * storm_data$property_damage_cost_factor) + >>+ (storm_data$CROPDMG * storm_data$crop_damage_cost_factor) >>> str(storm_data$total_damage) >> num [1:902297] 25 2.5 25 2.5 2.5 2.5 2.5 2.5 25 25 ... >>> >> >>Call me baffled. Any pointers are greatly appreciated at this point. > -- Cheers, Mark Mark Drummond m...@markdrummond.ca When I get sad, I stop being sad and be Awesome instead. TRUE STORY. ______________________________________________ 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.