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From Ted Dunning <ted.dunn...@gmail.com>
Subject Re: Validating clustering output
Date Tue, 28 Jul 2009 20:36:07 GMT
To be fair, it was a trivial result.  If you start from some very deep
theorems.  :-)

On Tue, Jul 28, 2009 at 3:55 AM, Grant Ingersoll <gsingers@apache.org>wrote:

>
> On Jul 28, 2009, at 12:48 AM, Ted Dunning wrote:
>
>
>> I owe the IBM team my interest in statistical approaches to AI and
>> symbolic
>> sequences.  It was on a visit to IBM in 1990 or so that Stephen (or
>> Vincent)
>> dP mentioned off-handedly to me that mutual information was "trivially
>> known
>> to be chi-squared distributed asymptotically".
>>
>
> I love statements like these!  Takes me back to the good old Math days of
> "We'll leave it as an exercise to the reader" or proofs that start off by
> saying "It is trivial to prove ..., so we'll proceed to the main part of the
> proof" and, as a 20 year old Math student you spend the next day beating
> your head against the wall because it is anything but trivial to you!
>
> -Grant
>



-- 
Ted Dunning, CTO
DeepDyve

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