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Hi the list, In a package P1, I write a function f1 in C, potentially an internal function (not to be called from R). In a package P2, I write a function f2 in C. The f2 function needs to use f1 from P1. Is it possible ? --- 8< ---- In file P1.c --------- double f1(x,y){ .... } --- 8< ---- In file P2.c --------- void f2(x,y,z){ double result; .... result = f1(x,y); .... }

R-exts.pdf discribes S3method a little bit. But I want to understand more on how it is called, implemented and when to use it. I don't find it in an R session. But I see S3method() in some NAMESPACE files. > S3method Error: object 'S3method' not found > ?S3method No documentation for 'S3method' in specified packages and libraries: you could try '??S3method' I

Hello, I discovered R two years ago and thanks to the R-community I managed to write some scripts to analyze my data stored in mysql databases. The only problem is that I am the only one using R in the lab. Colleagues mainly use Matlab (but not with mysql, only with text files) but regularly come to me to get data treated with R-scripts !!!. To allow the use of my scripts by other people, my