ppl1

[ilya oparin]

ppl = 10^(-logprob / (ntokens - noov + nsentences))
ppl1 = 10^(-logprob / (ntokens - noov))

You can basically find info of such kind in the mailing archive on the SRILM site.


best regards,
Ilya


--- On Thu, 12/6/08, Alexy Khrabrov <deliverable at gmail.com> wrote:

> From: Alexy Khrabrov <deliverable at gmail.com>
> Subject: ppl1
> To: "srilm-user" <srilm-user at speech.sri.com>
> Date: Thursday, 12 June, 2008, 4:37 AM
> What's the definition of ppl1 vs ppl as reported by
> ngram -debug 2 ?
> 
> Cheers,
> Alexy


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