Examples with NominalDistanceFunction org.dkpro.statistics.agreement.distance.NominalDistanceFunction used on opensource projects

Example 1 with NominalDistanceFunction

use of org.dkpro.statistics.agreement.distance.NominalDistanceFunction in project webanno by webanno.

the class KrippendorffAlphaAgreementMeasure method calculatePairAgreement.

@Override
public CodingAgreementResult calculatePairAgreement(Map<String, List<CAS>> aCasMap) {
    AnnotationFeature feature = getFeature();
    KrippendorffAlphaAgreementTraits traits = getTraits();
    List<DiffAdapter> adapters = getDiffAdapters(annotationService, asList(feature.getLayer()));
    CasDiff diff = doDiff(adapters, traits.getLinkCompareBehavior(), aCasMap);
    CodingAgreementResult agreementResult = makeCodingStudy(diff, feature.getLayer().getName(), feature.getName(), traits.isExcludeIncomplete(), aCasMap);
    IAgreementMeasure agreement = new KrippendorffAlphaAgreement(agreementResult.getStudy(), new NominalDistanceFunction());
    if (agreementResult.getStudy().getItemCount() > 0) {
        try {
            agreementResult.setAgreement(agreement.calculateAgreement());
        } catch (InsufficientDataException e) {
            agreementResult.setAgreement(NaN);
        }
    } else {
        agreementResult.setAgreement(NaN);
    }
    return agreementResult;
}