Update examples/src/main/scala/spark/examples/LocalLR.scala

fix spelling mistake

examples/src/main/scala/spark/examples/LocalLR.scala

@@ -5,7 +5,7 @@ import spark.util.Vector
 
 object LocalLR {
   val N = 10000  // Number of data points
-  val D = 10   // Numer of dimensions
+  val D = 10   // Number of dimensions
   val R = 0.7  // Scaling factor
   val ITERATIONS = 5
   val rand = new Random(42)