Re: Wrong initial bias in GraphX SVDPlusPlus?

See now: https://issues.apache.org/jira/browse/SPARK-6710 On Mon, Apr 6, 2015 at 4:27 AM, Reynold Xin r...@databricks.com wrote: Adding Jianping Wang to the thread, since he contributed the SVDPlusPlus implementaiton. Jianping, Can you take a look at this message? Thanks. On Fri, Apr 3,

Re: Wrong initial bias in GraphX SVDPlusPlus?

Adding Jianping Wang to the thread, since he contributed the SVDPlusPlus implementaiton. Jianping, Can you take a look at this message? Thanks. On Fri, Apr 3, 2015 at 8:41 AM, Michael Malak michaelma...@yahoo.com.invalid wrote: I believe that in the initialization portion of GraphX

Wrong initial bias in GraphX SVDPlusPlus?

I believe that in the initialization portion of GraphX SVDPlusPluS, the initialization of biases is incorrect. Specifically, in line https://github.com/apache/spark/blob/master/graphx/src/main/scala/org/apache/spark/graphx/lib/SVDPlusPlus.scala#L96 instead of (vd._1, vd._2, msg.get._2 /