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From thvasilo <...@git.apache.org>
Subject [GitHub] flink pull request: [FLINK-1745] [ml] [WIP] Add exact k-nearest-ne...
Date Mon, 06 Jul 2015 09:03:09 GMT
Github user thvasilo commented on a diff in the pull request:

    --- Diff: flink-staging/flink-ml/src/main/scala/org/apache/flink/ml/classification/KNN.scala
    @@ -0,0 +1,204 @@
    + * 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
    + *
    + *     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 org.apache.flink.ml.classification
    +import org.apache.flink.api.common.operators.Order
    +import org.apache.flink.api.common.typeinfo.TypeInformation
    +import org.apache.flink.api.scala.DataSetUtils._
    +import org.apache.flink.api.scala._
    +import org.apache.flink.ml.common._
    +import org.apache.flink.ml.math.Vector
    +import org.apache.flink.ml.metrics.distances.{DistanceMetric, EuclideanDistanceMetric}
    +import org.apache.flink.ml.pipeline.{FitOperation, PredictDataSetOperation, Predictor}
    +import org.apache.flink.util.Collector
    +import scala.collection.mutable.ArrayBuffer
    +import scala.reflect.ClassTag
    +/** Implements a k-nearest neighbor join.
    +  *
    +  * This algorithm calculates `k` nearest neighbor points in training set for each points
    +  * testing set.
    --- End diff --
    Change sentence to: _Calculates the k nearest neighbor points in the training set for
each point in the test set_

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