AGREP
On Wed, 11 Feb 2004 14:53:33 -0300, you wrote:
Hi all, I have two questions 1 - I have the version 1.4.1 of R, and it doesn't have the 'agrep' function in the base library. Is there a way to make this funcion avaliable in R 1.4.1? I mean, how to 'copy' it from R 1.8.1 and 'paste' it in R 1.4.1?
The easiest way is to install 1.8.1. There have been a *lot* of improvements in R since 1.4.1
2 - The AGREP function doesn't give me the Levenshtein distance (edit distance). Is there a function in R that does it? Is there a way to use AGREP to acomplish this task? I've written such a function, but it is so slow (has so many loops) that it is beeing useless.
I don't think there's a function, but I imagine this should be possible. You'd need to look at src/main/apse.c to find which function returns this information, and then write code something like do_agrep (in character.c) to call that function instead of calling apse_match. Duncan Murdoch