We need some idea of what you were actually doing (i.e code, data, ... ) See http://adv-r.had.co.nz/Reproducibility.html for some suggestions. John Kane Kingston ON Canada
> -----Original Message----- > From: m...@markdrummond.ca > Sent: Sun, 26 Apr 2015 16:41:32 -0400 > To: r-h...@stat.math.ethz.ch > Subject: [R] knittr: non-numeric argument to binary operator > > 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. ____________________________________________________________ Can't remember your password? Do you need a strong and secure password? Use Password manager! It stores your passwords & protects your account. ______________________________________________ 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.