spark-reviews mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From mengxr <>
Subject [GitHub] spark pull request: [MLLIB] SPARK-2329 Add multi-label evaluation ...
Date Mon, 08 Sep 2014 18:31:43 GMT
Github user mengxr commented on a diff in the pull request:
    --- Diff: mllib/src/main/scala/org/apache/spark/mllib/evaluation/MultilabelMetrics.scala
    @@ -0,0 +1,156 @@
    + * Licensed to the Apache Software Foundation (ASF) under one or more
    + * contributor license agreements.  See the NOTICE file distributed with
    + * this work for additional information regarding copyright ownership.
    + * The ASF licenses this file to You 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
    + *
    + *
    + *
    + * 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 org.apache.spark.mllib.evaluation
    +import org.apache.spark.rdd.RDD
    +import org.apache.spark.SparkContext._
    + * Evaluator for multilabel classification.
    + * @param predictionAndLabels an RDD of (predictions, labels) pairs, both are non-null
    + */
    +class MultilabelMetrics(predictionAndLabels: RDD[(Set[Double], Set[Double])]) {
    --- End diff --
    `RDD[(Set[Double], Set[Double])]` may be hard for Java users. We can ask users to input
`RDD[(Array[Double], Array[Double])]`, requiring that the labels are ordered. It is easier
for Java users and faster to compute intersection and other set operations.

If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at or file a JIRA ticket
with INFRA.

To unsubscribe, e-mail:
For additional commands, e-mail:

View raw message