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https://issues.apache.org/jira/browse/FLINK-3919?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15309901#comment-15309901
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ASF GitHub Bot commented on FLINK-3919:
---------------------------------------
Github user chobeat commented on a diff in the pull request:
https://github.com/apache/flink/pull/1996#discussion_r65318407
--- Diff:
flink-libraries/flink-ml/src/main/scala/org/apache/flink/ml/math/distributed/DistributedRowMatrix.scala
---
@@ -0,0 +1,179 @@
+/*
+ * 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.math.distributed
+
+import breeze.linalg.{CSCMatrix => BreezeSparseMatrix, Matrix =>
BreezeMatrix, Vector => BreezeVector}
+import org.apache.flink.api.scala._
+import org.apache.flink.ml.math.Breeze._
+import org.apache.flink.ml.math.{Matrix => FlinkMatrix, _}
+
+/**
+ * Distributed row-major matrix representation.
+ * @param numRowsOpt If None, will be calculated from the DataSet.
+ * @param numColsOpt If None, will be calculated from the DataSet.
+ */
+class DistributedRowMatrix(data: DataSet[IndexedRow],
--- End diff --
Yup, I forgot to remove that. It was supposed to be part of the common
trait but in the end I chose not to do it.
> Distributed Linear Algebra: row-based matrix
> --------------------------------------------
>
> Key: FLINK-3919
> URL: https://issues.apache.org/jira/browse/FLINK-3919
> Project: Flink
> Issue Type: New Feature
> Components: Machine Learning Library
> Reporter: Simone Robutti
> Assignee: Simone Robutti
>
> Distributed matrix implementation as a DataSet of IndexedRow and related
> operations
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