package cn.edu.bjut.textmining.chapter4.support;

import java.util.List;

/** 体育为正类；分数可为类别概率、近邻分布或SVM间隔。 */
public interface NewsClassifier {
    void fit(List<NewsRecord> training);

    double score(NewsRecord record);

    double threshold();

    String name();

    default String predict(NewsRecord record) {
        return score(record) >= threshold() ? "sports" : "finance";
    }
}