On 22/08/2014, 6:02 AM, Bart Kastermans wrote: > I have a daily generated report in which I put a check using stopifnot. > Unfortunately > I didn’t check the effect very well, turns out that if the condition checked > fails > this is not shown in the knitr output (I only get an error much later due to > a missing > object). > > So my question is, what is the correct way to use assertions in a > <filename>.Rnw > file. I want to perform a check, and if it fails everything should stop with > a message > I can generate. >
One of the differences between knitr and Sweave is that knitr handles errors, and Sweave doesn't. I expect there's some knitr option to tell it to quit in case of error (a hook?), but you'll have to check the documentation to find it. Duncan Murdoch ______________________________________________ R-help@r-project.org mailing list 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.
