Re: [Aspell-user] suggestions with confidence levels

[Amit Khemka]

On 4/25/07, Ethan Bradford <address@hidden> wrote:
<snip>
> > I have another query:   Given a word and its possible suggestions how
> > can I decide that anything with less than score 50, is a good
> > replacement candidate ! Or say if the score of the first suggestion is
> > 200 rather than picking that as a possible alternative i rather ignore
> > it.
> >
> > May be knowing the way these scores are calculated would help, or else
> > i guess i will have to use some heuristics.
>
> Empirically, just from looking at several  lists of spelling suggestions, I
> came up with a cut off of 130.
>
> The biggest advantage I got from the score was in knowing when the top
> suggestions had the same score, and thus could be reorganized based on other
> criteria (I have a rough estimate of frequency from another source).  When
> the scores are different, I almost always use their ranking.  The fudge
> factor I put in to allow frequency to override this is to raise the ratio of
> the scores to the 20th power and compare that to the ratios of the
> frequencies.

Sounds Interesting, I need it for some similar purpose. I think i will
need to find my own parameters. Thanks for your inputs ( and the patch
) !

cheers,
----
Amit Khemka
Home Page: www.cse.iitd.ernet.in/~csd00377
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I turn again, back to my own beginning, And here, find rest.