[R] algorithm to create unique identifiers

[Christos Hatzis]

It might be an overkill for what you need, but take a look at package Ruuid.

-Christos 

> -----Original Message-----
> From: r-help-bounces at r-project.org 
> [mailto:r-help-bounces at r-project.org] On Behalf Of Ralph S.
> Sent: Thursday, September 04, 2008 11:44 PM
> To: r-help at r-project.org
> Subject: [R] algorithm to create unique identifiers
> 
> 
> Hi all,
> 
> I am trying to create a unique identifier for each row, 
> combining numbers from three columns.
> 
> Do you know if there is a general formula to do this (or some 
> manual where I can read about this)?
> 
> I figure I can use the numeric entries of the columns as 
> "coordinates" and multiply them with different coefficients 
> (different magnitudes) to get the unique ID - but it would be 
> nice to read about such algorithms in general.
> 
> Any links/input would be great -
> 
> Ralph
> 
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