Some algorithms use a random seed, which could give different answers on the same input. That's the first question.
On Thu, Oct 18, 2012 at 6:21 PM, Y. Sakamoto <[email protected]> wrote: > Hi, > > I'm using Hadoop-based and non-Hadoop-based recommender. > > When I change only hadoop parameter "mapred.reduce.tasks", > the recommender result also changed. > (I cannot gain same result.) > > Why is it happen? > > > Thanks > > -- > ///=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= > Y. Sakamoto > [email protected] > =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=///
