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Re: Problem with "NA"
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From: |
Stephen Montgomery-Smith |
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Subject: |
Re: Problem with "NA" |
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Date: |
Thu, 21 Feb 2013 08:57:45 -0600 |
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User-agent: |
Mozilla/5.0 (X11; Linux i686; rv:17.0) Gecko/20130106 Thunderbird/17.0.2 |
On 02/20/2013 08:15 AM, Jordi Gutiérrez Hermoso wrote:
> On 19 February 2013 22:56, Stephen Montgomery-Smith
> <address@hidden> wrote:
>> I think that a much more likely source of creating NA is in evaluating
>> the right hand side function. That is, you are solving:
>
> You should never be getting NA unless you specifically requested it,
> not unless you've stumbled upon a great coincidence.
>
> NA is a NaN with a special bit-pattern, modelled on R's own NA. It may
> be read in from data that is already in the NA form, but you should
> never do computations with ordinary floats and get an NA. If you do,
> we have a bug.
If or when the original poster figures out what the problem was, I would
be grateful if he would post the solution. Now I am really intrigued.
Stephen