You can build a statistical model and that's all well and good, but if you're dealing with a new type of financial instrument, for example, or a new type of situation - then the choices you're making are pretty arbitrary in a lot of respects.
Nate SilverA lot of journalism wants to have what they call objectivity without them having a commitment to pursuing the truth, but that doesn't work. Objectivity requires belief in and a commitment toward pursuing the truth - having an object outside of our personal point of view.
Nate Silver