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Spark 1246 add min max to stat counter #144

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dwmclary wants to merge 12 commits into from
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Spark 1246 add min max to stat counter #144

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4916016
added histogram method, added max and min to statscounter
dwmclary Mar 11, 2014
eaf89d9
added correct doctest for histogram
dwmclary Mar 11, 2014
29981f2
fixed indentation on doctest comment
dwmclary Mar 11, 2014
37a7dea
cleaned up boundaries for histogram -- uses real min/max when buckets…
dwmclary Mar 11, 2014
1e7056d
added underscore to getBucket
dwmclary Mar 12, 2014
ed67136
broke min/max out into separate transaction, added to rdd.py
dwmclary Mar 14, 2014
a5c13b0
Added min and max to Scala and Java RDD, added min and max to StatCou…
dwmclary Mar 14, 2014
1a97558
added max and min to StatCounter output, updated doc
dwmclary Mar 15, 2014
21dd366
added max and min to StatCounter output, updated doc
dwmclary Mar 15, 2014
5d96799
added max and min to StatCounter repr for pyspark
dwmclary Mar 15, 2014
82cde0e
flipped incorrectly assigned inf values in StatCounter
dwmclary Mar 15, 2014
fd3fd4b
fixed error, updated test
dwmclary Mar 17, 2014
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added max and min to StatCounter output, updated doc
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@dwmclary
dwmclary committed Mar 15, 2014
commit 21dd366744aa1a669db41dbdde56e5f347d9b6f6
4 changes: 2 additions & 2 deletions core/src/main/scala/org/apache/spark/util/StatCounter.scala
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Expand Up @@ -29,8 +29,8 @@ class StatCounter(values: TraversableOnce[Double]) extends Serializable {
private var n: Long = 0 // Running count of our values
private var mu: Double = 0 // Running mean of our values
private var m2: Double = 0 // Running variance numerator (sum of (x - mean)^2)
private var max_v: Double = Double(-Infinity) // Running max of our values
private var min_v: Double = Double(Infinity) // Running min of our values
private var max_v: Double = Double.PositiveInfinity // Running max of our values
private var min_v: Double = Double.NegativeInfinity // Running min of our values

merge(values)

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