Java TrainSampleDataManager.sampleWordCount Examples

Example #1

File: MultinomialModelNaiveBayes.java Project: hbwzhsh/RDMP1

 /**
  * @Title: priorProbability @Description: 多项式朴素贝叶斯先验概率 先验概率P(c)= 类c下单词总数/整个训练样本的单词总数
  *
  * @param classifier
  * @return BigDecimal
  * @throws
  */
 public static BigDecimal priorProbability(String classifier) {
   BigDecimal molecular = new BigDecimal(TrainSampleDataManager.classWordCount(classifier));
   BigDecimal denominator = new BigDecimal(TrainSampleDataManager.sampleWordCount());
   return molecular.divide(denominator, 10, BigDecimal.ROUND_CEILING);
 }