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[SPARK-11530][MLLIB] Return eigenvalues with PCA model
Add `computePrincipalComponentsAndVariance` to also compute PCA's explained variance. CC mengxr Author: Sean Owen <sowen@cloudera.com> Closes #9736 from srowen/SPARK-11530.
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- mllib/src/main/scala/org/apache/spark/ml/feature/PCA.scala 11 additions, 9 deletionsmllib/src/main/scala/org/apache/spark/ml/feature/PCA.scala
- mllib/src/main/scala/org/apache/spark/mllib/feature/PCA.scala 12 additions, 4 deletions...b/src/main/scala/org/apache/spark/mllib/feature/PCA.scala
- mllib/src/main/scala/org/apache/spark/mllib/linalg/distributed/RowMatrix.scala 26 additions, 7 deletions...org/apache/spark/mllib/linalg/distributed/RowMatrix.scala
- mllib/src/test/scala/org/apache/spark/ml/feature/PCASuite.scala 4 additions, 3 deletions...src/test/scala/org/apache/spark/ml/feature/PCASuite.scala
- mllib/src/test/scala/org/apache/spark/mllib/feature/PCASuite.scala 2 additions, 1 deletion.../test/scala/org/apache/spark/mllib/feature/PCASuite.scala
- mllib/src/test/scala/org/apache/spark/mllib/linalg/distributed/RowMatrixSuite.scala 9 additions, 1 deletion...pache/spark/mllib/linalg/distributed/RowMatrixSuite.scala
- project/MimaExcludes.scala 3 additions, 0 deletionsproject/MimaExcludes.scala
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