Re: [R] Matching Up Values

From: Rolf Turner <r.turner_at_auckland.ac.nz>
Date: Fri, 18 Jul 2008 09:09:02 +1200

On 18/07/2008, at 8:42 AM, Steve Murray wrote:

        <snip>

> So what I'm looking to do is, 'pad out' the shorter file, by adding
> in the rows with those that are 'missing' from the longer file (ie.
> if a particular coordinate isn't present in the shorter file but is
> in the 'longer/master' file), and having 'zero' as its Population
> Density value (column C).

	Aaaaaaarrrrrrghhhhhhhhhh!!! Zero is not the same as a missing value.
	Surely to gumdrops you should say ``having NA as its Population  
Density value''.

        Elsewise you are lying about your data.

                cheers,

                        Rolf Turner

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