[R] Pattern names matching

[David Winsemius]

On Aug 20, 2011, at 11:25 AM, Doran, Harold wrote:

> See the stringMatch function in the MiscPsycho package for an  
> implementation of Levenshtein

The agrep function in base R also returns a Levenshtein distance.

-- 
David.
> ________________________________________
> From: r-help-bounces at r-project.org [r-help-bounces at r-project.org] On  
> Behalf Of Orvalho Augusto [orvaquim at gmail.com]
> Sent: Saturday, August 20, 2011 11:08 AM
> To: r-help at r-project.org
> Subject: [R] Pattern names matching
>
> Dear R magic guys.. I have two tables (actually will be dataframes),  
> both
> with names to be matched.
>
> The names on the first dataframe are from a study with antenatal  
> visits on
> some health centers here. It happens that we need the delivery info.  
> And
> half and some thing else of the women decided to delivery some where  
> else
> our health units. We managed to get the names from some other places  
> but now
> we have to match our 4000 original names with over 20000 other names.
>
> To make thing more bitter some names have badly written. So I need  
> some
> algorithm like Levenstein or sondex or phonix or something better  
> already on
> R. Can you help me?
>
> Orvalho

David Winsemius, MD
West Hartford, CT