opennlp-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Jörn Kottmann <>
Subject Re: Bad precision using FMeasure
Date Wed, 05 Jan 2011 10:51:10 GMT
On 1/4/11 7:43 PM, wrote:
> Hi,
> I noticed a bad precision of FMeasure class. I think the issue is that the
> current implementation is summing divisions. It computes the precision and
> recall for every sample, and after adds it all to compute the overall
> result. By doing that, the error related to each division are summed and can
> impact the final result.
> I tried a new implementation that can fix it. If everyone agrees I'll create
> an issue at Jira to commit the modified version.
> Regards
> William
Thanks for catching that, yeah sure open a jira issue and check in your


View raw message