Cleaned up

Author: mpraski

kmeans.go

@@ -172,11 +172,11 @@ func (c *kmeansClusterer) Online(observations chan []float64, done chan struct{}
 				var (
 					k int
 					n float64
-					m float64 = c.distance(o, c.m[0])
+					m float64 = math.pow(c.distance(o, c.m[0]), 2)
 				)
 
 				for i := 1; i < l; i++ {
-					if n = c.distance(o, c.m[i]); n < m {
+					if n = math.Pow(c.distance(o, c.m[i]), 2); n < m {
 						m = n
 						k = i
 					}