diff options
| -rw-r--r-- | mllib/src/main/scala/org/apache/spark/mllib/stat/MultivariateOnlineSummarizer.scala | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/mllib/src/main/scala/org/apache/spark/mllib/stat/MultivariateOnlineSummarizer.scala b/mllib/src/main/scala/org/apache/spark/mllib/stat/MultivariateOnlineSummarizer.scala index 62da9f2ef2..64e4be0ebb 100644 --- a/mllib/src/main/scala/org/apache/spark/mllib/stat/MultivariateOnlineSummarizer.scala +++ b/mllib/src/main/scala/org/apache/spark/mllib/stat/MultivariateOnlineSummarizer.scala @@ -153,6 +153,8 @@ class MultivariateOnlineSummarizer extends MultivariateStatisticalSummary with S } /** + * Sample mean of each dimension. + * * @since 1.1.0 */ override def mean: Vector = { @@ -168,6 +170,8 @@ class MultivariateOnlineSummarizer extends MultivariateStatisticalSummary with S } /** + * Sample variance of each dimension. + * * @since 1.1.0 */ override def variance: Vector = { @@ -193,11 +197,15 @@ class MultivariateOnlineSummarizer extends MultivariateStatisticalSummary with S } /** + * Sample size. + * * @since 1.1.0 */ override def count: Long = totalCnt /** + * Number of nonzero elements in each dimension. + * * @since 1.1.0 */ override def numNonzeros: Vector = { @@ -207,6 +215,8 @@ class MultivariateOnlineSummarizer extends MultivariateStatisticalSummary with S } /** + * Maximum value of each dimension. + * * @since 1.1.0 */ override def max: Vector = { @@ -221,6 +231,8 @@ class MultivariateOnlineSummarizer extends MultivariateStatisticalSummary with S } /** + * Minimum value of each dimension. + * * @since 1.1.0 */ override def min: Vector = { @@ -235,6 +247,8 @@ class MultivariateOnlineSummarizer extends MultivariateStatisticalSummary with S } /** + * L2 (Euclidian) norm of each dimension. + * * @since 1.2.0 */ override def normL2: Vector = { @@ -252,6 +266,8 @@ class MultivariateOnlineSummarizer extends MultivariateStatisticalSummary with S } /** + * L1 norm of each dimension. + * * @since 1.2.0 */ override def normL1: Vector = { |