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Re: Resume of "Averaging"
From: Peter Fogg
Date: 2004 Nov 5, 18:40 +1100
From: Peter Fogg
Date: 2004 Nov 5, 18:40 +1100
If I am the only person who hasn't grasped the nature of the objection below then I beg indulgence, but since I am interested in the subject, could Herbert try to make more clear just what he means? I have been delving into texts on regression but still fail to grasp just what the nature of the objection is. What really perplexes me is that it seems such a simple concept: a given slope and data points that can be compared with it. Why does it need to get more complicated than that? (leaving aside the non-linearity issue) Herbert Prinz wrote: ...that the average of the average of two data sets equals, in general, the average of the union set of the two data sets? This is, to wit, in simplified form, the question which is at the basis of my most important objection to the method of averaging individual "runs" of sights...