Antonio José Sáez Castillo wrote: > We are developing a new regression model. We now need to develop an analogous > to add1 in stat package. > My problem is about update.formula, but I think I could solve this problem if > I can get source code of add1. > So, can I get the source code of add1?
Sure. What is the problem? You can easily look into them after download (or a bit less convenient even directly in R): add1 # ah, it's generic! methods(add1) # its methods ## Let's look into two methods: stats:::add1.default stats:::add1.lm You might also want to look into the following R News article: Ligges, U. (2006): R Help Desk: Accessing the Sources. R News 6 (4), 43-45. Uwe Ligges > > ------------------------------------ > Prof. Dr. Antonio José Sáez Castillo > Dpto. de Estadística e Investigación Operativa. Universidad de Jaén > Escuela Politécnica Superior de Linares. Dep. A-229 > c/ Alfonso X El Sabio 28. 23700 LINARES (Jaén). ESPAÑA. > Teléfono +34 953/648578. Fax +34 953/648578 > http://www4.ujaen.es/~ajsaez/ > [[alternative HTML version deleted]] > > > > ------------------------------------------------------------------------ > > ______________________________________________ > R-help@stat.math.ethz.ch mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
