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Date: Tue, 11 Jul 2017 09:43:59 -0700 References: <63B094F2-1EDE-4649-AC2C-9EB39135CC59@heroku.com> <9D0DD1A7-64A6-4E38-9A3E-4C4BF35E789B@occamsmachete.com> <12CAE521-1F3C-4779-8AC4-988D9D7DFB87@heroku.com> <3ECA1BDF-758D-4395-8699-32677FF546BB@occamsmachete.com> <2170929D-189D-4E69-BD56-1225A0067ADB@occamsmachete.com> To: user@predictionio.incubator.apache.org In-Reply-To: Message-Id: X-Mailer: Apple Mail (2.3273) archived-at: Tue, 11 Jul 2017 16:44:47 -0000 > On Jul 11, 2017, at 09:18, Pat Ferrel wrote: >=20 > But this is demonstrably untrue. Try it. Clustering for some templates = assumes textual data, others do not. This seems so far from my = experience that your statement is baffling. The PIO event stream from = one recommender to the next is not compatible either. The E-Com engine = requires $set events on items, the UR does not. So taking UR events into = the E-Com recommender would result in garbage output.=20 >=20 > Events are a transform of the data to begin with and target a specific = Engine in PIO. So if you have a point it is moot since Events are not = some idealized form of the data. Pat, this has been our experience as well. Generic events are not useful = to most algorithms. Each engine requires its own data import workflow. For us, this is a = Postgres/psql script that selects data and transforms it into the batch = JSON format (used by `pio import`) specifically for the business = model/rules & algorithm(s). *Mars ( <> .. <> )=