[R] Source code of add1

[Duncan Murdoch]

On 21/05/2007 4:57 AM, 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?

It's in

https://svn.r-project.org/R/trunk/src/library/stats/R/add.R

or substitute "tags/R-x-y-z" for "trunk" if you want to see what it 
looked like in R version x.y.z.

Duncan Murdoch