[R] Matching Up Values

[Rolf Turner]

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

######################################################################
Attention:\ This e-mail message is privileged and confid...{{dropped:9}}