[R] How to change R file in stats?

Duncan Murdoch murdoch.duncan at gmail.com
Thu Jan 17 14:50:23 CET 2013

On 13-01-17 8:31 AM, S Ellison wrote:
>> -----Original Message-----
>> I have changed some code in R file inside the stats package
>> (dendrogram.R).
> That was brave. Others have already commented on its wisdom...
>> Now I wan to test and run the stats package
>> with the new updated code, what should I do in detail?
> 1. Read and follow the instructions in 'Writing R extensions' to build an installable .tar.gz or (for windows) .zip binary of the stats package.
> 2. Back up your copy of R.
> 3. Install the newly built stats package in the normal way.

Stats is a base package, so that won't work.  Base packages are built 
and installed differently from other packages.

He could modify the sources and build a custom copy of R for himself, 
but that seems kind of extreme.

A better way would be to copy the source for the function into his own 
package.  If he intends to release it, he must retain copyright notices 
on it and release his own package with a GPL-compatible license.

Duncan Murdoch

> 4. Test.
> 5. Revert to the backup.
> Safer still to create a different installation of  R locally and apply the new package install to that.
> S
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