Package org.apache.mahout.math

Examples of org.apache.mahout.math.Vector.addTo()

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        return;
      }
      Vector accumulator = new RandomAccessSparseVector(it.next().get());
      while (it.hasNext()) {
        Vector row = it.next().get();
        row.addTo(accumulator);
      }
      out.collect(rowNum, new VectorWritable(new SequentialAccessSparseVector(accumulator)));
    }
  }
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      s0 += weight;
      Vector weightedX = x.times(weight);
      if (s1 == null) {
        s1 = weightedX;
      } else {
        weightedX.addTo(s1);
      }
      Vector x2 = x.times(x).times(weight);
      if (s2 == null) {
        s2 = x2;
      } else {
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      }
      Vector x2 = x.times(x).times(weight);
      if (s2 == null) {
        s2 = x2;
      } else {
        x2.addTo(s2);
      }
    }
  }
 
  public void observe(Vector x) {
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    }
    Vector x2 = x.times(x);
    if (s2 == null) {
      s2 = x2;
    } else {
      x2.addTo(s2);
    }
  }
 
  @Override
  public long getNumPoints() {
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    s0 += weight;
    Vector weightedX = x.times(weight);
    if (s1 == null) {
      s1 = weightedX;
    } else {
      weightedX.addTo(s1);
    }
    Vector x2 = x.times(x).times(weight);
    if (s2 == null) {
      s2 = x2;
    } else {
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    }
    Vector x2 = x.times(x).times(weight);
    if (s2 == null) {
      s2 = x2;
    } else {
      x2.addTo(s2);
    }
  }

  @Override
  public void compute() {
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