[R] recoding one variable into another - but differently for different cases

[Rolf Turner]

On 23/01/2008, at 2:02 PM, hadley wickham wrote:

> No one else mentioned this, but if those 99s represent missings, you
> should be using NA not a special numeric value.

	Amen, bro.  Using ``99'' to represent a missing value is
	a heinous, if all too often inflicted, crime against humanity.

			cheers,

				Rolf Turner

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