Hi Tao, I wonder if you are on Windows? If so, make sure you have qpdf installed, and the location is in your path.
Cheers, Josh On Fri, Feb 22, 2013 at 3:32 PM, Tao Wang <tao.w...@utsouthwestern.edu> wrote: > Hi Everyone! > > This is my first time using R-help. I am trying to do R CMD check before > uploading my package to CRAN. > > R CMD check --as-cran "my package folder". > > However, it spits out this warning: > > "pdf is needed for checks on size reduction of PDFs" > > I searched online but found no clue to solve this problem. Can someone tell > me what could be wrong with my package? > > Thanks a lot! > > Tao > > > ________________________________ > > UT Southwestern Medical Center > The future of medicine, today. > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. -- Joshua Wiley Ph.D. Student, Health Psychology Programmer Analyst II, Statistical Consulting Group University of California, Los Angeles https://joshuawiley.com/ ______________________________________________ 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.