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


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