本文整理了Java中org.apache.mahout.math.Matrix.aggregateRows()方法的一些代码示例，展示了Matrix.aggregateRows()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。Matrix.aggregateRows()方法的具体详情如下：
包路径：org.apache.mahout.math.Matrix
类名称：Matrix
方法名：aggregateRows

Matrix.aggregateRows介绍

[英]Collects the results of a function applied to each row of a matrix.
[中]收集应用于矩阵每一行的函数的结果。

代码示例

代码示例来源：origin: apache/mahout

@Test
public void testAggregate() {
 double total = test.aggregate(Functions.PLUS, Functions.IDENTITY);
 assertEquals(test.aggregateRows(new VectorFunction() {
  @Override
  public double apply(Vector v) {
   return v.zSum();
  }
 }).zSum(), total, EPSILON);
}

代码示例来源：origin: apache/mahout

@Test
public void testAggregateRows() {
 Vector v = test.aggregateRows(new VectorFunction() {
  @Override
  public double apply(Vector v) {
   return v.zSum();
  }
 });
 for (int i = 0; i < test.numRows(); i++) {
  assertEquals(test.viewRow(i).zSum(), v.get(i), EPSILON);
 }
}

代码示例来源：origin: tdunning/bandit-ranking

private Vector sampleNoLink() {
  final Vector theta = state.aggregateRows(new VectorFunction() {
    final DoubleFunction inverseLink = new InverseLogisticFunction();
    @Override
    public double apply(Vector f) {
      return inverseLink.apply(rand.nextDouble(f.get(0), f.get(1)));
    }
  });
  return featureMap.times(theta);
}

代码示例来源：origin: cloudera/mahout

@Test
public void testAggregate() {
 double total = test.aggregate(Functions.PLUS, Functions.IDENTITY);
 assertEquals(test.aggregateRows(new VectorFunction() {
  @Override
  public double apply(Vector v) {
   return v.zSum();
  }
 }).zSum(), total, EPSILON);
}

代码示例来源：origin: cloudera/mahout

@Test
public void testAggregateRows() {
 Vector v = test.aggregateRows(new VectorFunction() {
  @Override
  public double apply(Vector v) {
   return v.zSum();
  }
 });
 for (int i = 0; i < test.numRows(); i++) {
  assertEquals(test.viewRow(i).zSum(), v.get(i), EPSILON);
 }
}