[R] Package Building under Windows with MikTeX 2.6

Dear WizaRds, I wrote a small function in R and would like to create a package. The necessary documentation is done, Rtools etc. are installed and I am still unable to complete the process under Windows. I did extensive research in the archives and read the Murdoch-Sutherland website on

[R] Indexing and partially replacing 99, 999 in data frames

Dear WizaRds, unfortunately, I have been unable to replace the '99' and '999' entries in library(UsingR) attach(babies) as definitions for missing values NA, because sometimes the 99 entry is indeed a correct value. Usually, or so I thought, NAs can easily replace a, say, 999 entry via