<<As we know, > There are known knowns. > There are things we know we know. > We also know > There are known unknowns. > That is to say > We know there are some things > We do not know. > But there are also unknown unknowns, > The ones we don't know > We don't know.>>
What about unknown knowns...those things we should know, but either neglected or forgot about momentarily?? :-) . . ================================================================= Instructions for joining and leaving this list, remarks about the problem of INAPPROPRIATE MESSAGES, and archives are available at: . http://jse.stat.ncsu.edu/ . =================================================================
