本文整理了Java中cc.mallet.types.InstanceList.getAlphabet()方法的一些代码示例，展示了InstanceList.getAlphabet()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。InstanceList.getAlphabet()方法的具体详情如下：
包路径：cc.mallet.types.InstanceList
类名称：InstanceList
方法名：getAlphabet

InstanceList.getAlphabet介绍

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代码示例

代码示例来源：origin: com.github.steveash.jg2p/jg2p-core

public void output(InstanceList insts, PrintWriter pw) {
 int size = insts.getAlphabet().size();
 List<String> row = Lists.newArrayListWithCapacity(size + 1);
 row.add("label");
 addFeatureVectorHeaders(insts.getAlphabet(), row);
 pw.println(COMMA.join(row));
 // print all instances densely
 int count = 0;
 for (Instance inst : insts) {
  if (++count % 2048 == 0) {
   log.info("Emitted " + count + " rows into the knime dense format");
  }
  row.clear();
  row.add(inst.getTarget().toString());
  addFeatureVectorValues(row, inst);
  Preconditions.checkState(row.size() == size + 1, "got ");
  pw.println(COMMA.join(row));
 }
}

代码示例来源：origin: cc.mallet/mallet

int numFeatures = instanceList.getAlphabet().size();
double[] weights = new double[numFeatures];
double[] truePositives = new double[numFeatures];