Repository: spark Updated Branches: refs/heads/branch-1.5 0ed6d9cf3 -> 4b8dc2556
rmse was wrongly calculated It was multiplying with U instaed of dividing by U Author: Viveka Kulharia <viv...@iitk.ac.in> Closes #9771 from vivkul/patch-1. (cherry picked from commit 1429e0a2b562469146b6fa06051c85a00092e5b8) Signed-off-by: Sean Owen <so...@cloudera.com> Project: http://git-wip-us.apache.org/repos/asf/spark/repo Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/4b8dc255 Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/4b8dc255 Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/4b8dc255 Branch: refs/heads/branch-1.5 Commit: 4b8dc25562e150e5ebc46b03a105c55de3098a1a Parents: 0ed6d9c Author: Viveka Kulharia <viv...@iitk.ac.in> Authored: Wed Nov 18 09:10:15 2015 +0000 Committer: Sean Owen <so...@cloudera.com> Committed: Wed Nov 18 09:10:43 2015 +0000 ---------------------------------------------------------------------- examples/src/main/python/als.py | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) ---------------------------------------------------------------------- http://git-wip-us.apache.org/repos/asf/spark/blob/4b8dc255/examples/src/main/python/als.py ---------------------------------------------------------------------- diff --git a/examples/src/main/python/als.py b/examples/src/main/python/als.py index 1c3a787..205ca02 100755 --- a/examples/src/main/python/als.py +++ b/examples/src/main/python/als.py @@ -36,7 +36,7 @@ np.random.seed(42) def rmse(R, ms, us): diff = R - ms * us.T - return np.sqrt(np.sum(np.power(diff, 2)) / M * U) + return np.sqrt(np.sum(np.power(diff, 2)) / (M * U)) def update(i, vec, mat, ratings): --------------------------------------------------------------------- To unsubscribe, e-mail: commits-unsubscr...@spark.apache.org For additional commands, e-mail: commits-h...@spark.apache.org
