On May 24, 2012, at 12:25 PM, Charles Determan Jr wrote: > Greetings, > > I am working on modifying some code from the nlme package. I have had many > discussions on the mixed models mailing list and have been directed to > simply 'hack' the source code to have the degrees of freedom generated by > one function to use in the output of another function that doesn't generate > them. My current holdup is an error regarding a .c file called > 'inner_perc_table' called by the .C function. The error states that the > object 'inner_perc_table' is not found. My confusion lies in the fact that > when I run the original script, it recognizes the part just fine. At no > point is the object defined and I cannot currently find such a code in the > package's source. Perhaps someone here is familiar with the nlme package > and could assist me in some form. If you need further information, please > ask as I don't know if there is a general answer for this type of question > or if you will need the actual code. >
The (unexported) object contains cached reference to the native function (see ?getNativeSymbolInfo) and is defined by R_registerRoutines in src/init.c. This is a typical optimization in R packages to avoid costly lookup of symbols and to provide check for native arguments. Cheers, Simon ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
