[R] Difference between "R CMD build --binary" and "R CMD INSTALL --build"

[michael watson (IAH-C)]

As the title suggests, when building R packages on Windows, what is the
difference between:

R CMD build --binary mypack

And 

R CMD INSTALL --build mypack

??  The former is suggested by my previous notes and seems to work, and
the latter is suggested by
http://www.biostat.jhsph.edu/~kbroman/Rintro/Rwinpack.html, and also
seems to work.

Thanks in advance

Mick