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krishnanraman/gist:8700505

Created January 30, 2014 00:50
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gistfile1.scala
def scale(x:Data) = {
val scaler = x.max - x.min
val min = x.min
(x.map { i => (i-min)/scaler }, min, scaler)
}
@sx2008
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sx2008 commented Jun 15, 2015

a little speedup for free... maybe 20% :-)

def scale(x:Data) = {
    val min = x.min
    val scaler = x.max - min
    (x.map { i => (i-min)/scaler }, min, scaler)
  }

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