TestClassificationRecallAggregation.java
/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.facebook.presto.operator;
import com.facebook.presto.operator.aggregation.TestPrecisionRecallAggregation;
import java.util.ArrayList;
import java.util.Iterator;
public class TestClassificationRecallAggregation
extends TestPrecisionRecallAggregation
{
public TestClassificationRecallAggregation()
{
super("classification_recall");
}
@Override
public ArrayList<Double> getExpectedValue(int start, int length)
{
final Iterator<BucketResult> iterator =
TestPrecisionRecallAggregation.getResultsIterator(start, length);
final ArrayList<Double> expected = new ArrayList<>();
while (iterator.hasNext()) {
final BucketResult result = iterator.next();
final double recall = result.remainingTrueWeight / result.totalTrueWeight;
expected.add(recall);
}
return expected;
}
}