CRAN check results on July 9th

[wenlong-liu]

1. WARNING 'qpdf' is needed for checks on size reduction of PDFs (resolved)

You basically do not need to build the file on windows. Please follow three steps below:

Download qpdf for windows from https://sourceforge.net/projects/qpdf/?source=typ_redirect
Extract files in a temp folder
Copy the contents of the bin folder to %SystemRoot%\System32
job done!

Sys.which(Sys.getenv("R_QPDF", "qpdf"))
qpdf
"C:\WINDOWS\SYSTEM32\qpdf.exe"

2. Warning: : ... may be used in an incorrect context: (Resolved)

 coord_map(projection = projection, parapmeters = parapmeters, 
     orientation = orientation, xlim = xlim, ylim = ylim, ...)

3. Warning: checking Rd \usage sections ... WARNING

Undocumented arguments in documentation object 'data_preparation'

4. WARNING

Undocumented arguments in documentation object 'data_preparation'
'...'

Undocumented arguments in documentation object 'map_us_fertilizer'
'FIPSs'

5.