From 931e4c96ef56302cc384086d1faa0f4ca3258e8b Mon Sep 17 00:00:00 2001
From: Matei Zaharia <matei.zaharia@gmail.com>
Date: Sun, 14 Jul 2013 08:03:13 +0000
Subject: [PATCH] Fix a comment
---
mllib/src/main/scala/spark/mllib/recommendation/ALS.scala | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/mllib/src/main/scala/spark/mllib/recommendation/ALS.scala b/mllib/src/main/scala/spark/mllib/recommendation/ALS.scala
index dec3701ec0..21eb21276e 100644
--- a/mllib/src/main/scala/spark/mllib/recommendation/ALS.scala
+++ b/mllib/src/main/scala/spark/mllib/recommendation/ALS.scala
@@ -161,7 +161,7 @@ class ALS private (var numBlocks: Int, var rank: Int, var iterations: Int, var l
for (productBlock <- 0 until numBlocks) {
// Create an array of (product, Seq(Rating)) ratings
val groupedRatings = blockRatings(productBlock).groupBy(_.product).toArray
- // Sort them by user ID
+ // Sort them by product ID
val ordering = new Ordering[(Int, ArrayBuffer[Rating])] {
def compare(a: (Int, ArrayBuffer[Rating]), b: (Int, ArrayBuffer[Rating])): Int = a._1 - b._1
}
--
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