Tobias Bertelsen tbertelsen
tbertelsen
/ pearson.scala
Last active
February 28, 2021 22:14
— forked from kaja47/pearson.scala
Calculating pearson for Breeze vectors
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| import breeze.linalg._ | |
| import breeze.stats._ | |
| import scala.math.sqrt | |
| /** | |
| * Effecient for sparse vectors. Scales in O(activeSize) | |
| */ | |
| // Must take SparseVector, for implicits to be linked correctly | |
| def pearson(a: SparseVector[Double], b: SparseVector[Double]): Double = { |