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Commits on Jan 8, 2020

• [MINOR][ML][INT] Array.fill(0) -> Array.ofDim; Array.empty -> Array.emptyIntArray

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• [SPARK-30381][ML] Refactor GBT to reuse treePoints for all trees

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Commits on Jan 6, 2020

• [SPARK-9612][ML][FOLLOWUP] fix GBT support weights if subsamplingRate<1

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Commits on Jan 4, 2020

• [SPARK-30398][ML] PCA/RegressionMetrics/RowMatrix avoid unnecessary computation

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Commits on Dec 31, 2019

• [SPARK-30329][ML] add iterator/foreach methods for Vectors

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• [SPARK-30380][ML] Refactor RandomForest.findSplits

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• [SPARK-30358][ML] ML expose predictRaw and predictProbability

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Commits on Dec 30, 2019

• [SPARK-30376][ML] Unify the computation of numFeatures

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Commits on Dec 29, 2019

• [SPARK-18409][ML][FOLLOWUP] LSH approxNearestNeighbors optimization

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• [SPARK-29967][ML][FOLLOWUP] KMeans Cleanup

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Commits on Dec 28, 2019

• [SPARK-30354][ML] GBT reuse DecisionTreeMetadata among iterations

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Commits on Dec 27, 2019

• [SPARK-30102][ML][PYSPARK] GMM supports instance weighting

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Commits on Dec 26, 2019

• [SPARK-30347][ML] LibSVMDataSource attach AttributeGroup

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Commits on Dec 25, 2019

• [SPARK-30178][ML] RobustScaler support large numFeatures

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• [SPARK-29914][ML][FOLLOWUP] fix SQLTransformer & VectorSizeHint toString method

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Commits on Dec 4, 2019

• [SPARK-29914][ML] ML models attach metadata in `transform`/`transformSchema`

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• [SPARK-30109][ML] PCA use BLAS.gemv for sparse vectors

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Commits on Dec 3, 2019

• [SPARK-30044][ML] MNB/CNB/BNB use empty sigma matrix instead of null

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Commits on Dec 2, 2019

• [SPARK-29959][ML][PYSPARK] Summarizer support more metrics

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Commits on Nov 21, 2019

• [SPARK-29960][ML][PYSPARK] MulticlassClassificationEvaluator support hammingLoss

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• [SPARK-29942][ML] Impl Complement Naive Bayes Classifier

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Commits on Nov 18, 2019

• [SPARK-16872][ML][PYSPARK] Impl Gaussian Naive Bayes Classifier

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Commits on Nov 11, 2019

• [SPARK-29801][ML] ML models unify toString method

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Commits on Nov 8, 2019

• [SPARK-29756][ML] CountVectorizer forget to unpersist intermediate rdd

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Commits on Nov 6, 2019

• [SPARK-29751][ML] Scalers use Summarizer instead of MultivariateOnlineSummarizer

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• [SPARK-29754][ML] LoR/AFT/LiR/SVC use Summarizer instead of MultivariateOnlineSummarizer

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• [SPARK-29656][ML][PYSPARK] ML algs expose aggregationDepth

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Commits on Nov 1, 2019

• [SPARK-29686][ML] LinearSVC should persist instances if needed

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Commits on Oct 31, 2019

• [SPARK-29645][ML][PYSPARK] ML add param RelativeError

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Commits on Oct 25, 2019

• [SPARK-9612][ML] Add instance weight support for GBTs

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Commits on Oct 18, 2019

• [SPARK-29489][ML][PYSPARK] ml.evaluation support log-loss

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Commits on Oct 16, 2019

• [SPARK-23578][ML][PYSPARK] Binarizer support multi-column

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Commits on Oct 12, 2019

• [SPARK-29380][ML] RFormula avoid repeated 'first' jobs to get vector size

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Commits on Sep 27, 2019

• [SPARK-29258][ML][PYSPARK] parity between ml.evaluator and mllib.metrics

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Commits on Sep 24, 2019

• [SPARK-29095][ML] add extractInstances

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