I vaguely remember having trouble with the intersection size method. Be sure to test it.
On Fri, Jun 3, 2011 at 2:50 PM, Chris Schilling <[email protected]> wrote: > I did end up walking the PreferenceArrays side-by-side using the > hasPrefWithUserID method. I knew I saw an intersection size somewhere, I > forgot it was for the FastIDSet. > > Thanks for the replies, > Chris > > On Jun 3, 2011, at 2:40 PM, Lance Norskog wrote: > >> One of the methods that returns a PreferenceArray requires the output >> be sorted; the rest do not. If it is the sorted output, you can walk >> them side-by-side. Otherwise, what Steven said. >> >> On Thu, Jun 2, 2011 at 1:07 PM, Steven Bourke <[email protected]> wrote: >>> Your best bet is to probably load the item id's from the recommendations >>> from each user / recommendation list into a FastIDSet. The FastIDSet has an >>> intersection size method. >>> >>> On Thu, Jun 2, 2011 at 7:07 PM, Chris Schilling >>> <[email protected]>wrote: >>> >>>> Hello, >>>> >>>> I am trying to do a little bit deeper inspection of some of the >>>> recommendations I am seeing. I was curious if the API exists to return the >>>> intersection of 2 PreferenceArray objects. >>>> >>>> Thanks >>>> Chris >>>> >>>> >>> >> >> >> >> -- >> Lance Norskog >> [email protected] > > -- Lance Norskog [email protected]
