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. ______________________________________________ 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.
