Posts Tagged With: shpower

Logic Takes a Bit of a Hit!: (NN4) Continuing: Shpower ("observed" power) vs Power:

Logic takes a bit of a hit—student driver behind me.  Anyway, managed to get to JFK, and meant to explain a bit more clearly the first “shpower” post.
I’m not saying shpower is illegitimate in its own right, or that it could not have uses, only that finding that the logic for power analytic reasoning does not hold for shpower  is no skin off the nose of power analytic reasoning. Continue reading

Categories: Neyman's Nursery, Statistics | Tags: , , ,

Neyman’s Nursery (NN3): SHPOWER vs POWER

EGEK weighs 1 pound

Before leaving base again, I have a rule to check on weight gain since the start of my last trip.  I put this off til the last minute, especially when, like this time, I know I’ve overeaten while traveling.  The most accurate of the 4 scales I generally use (one is at my doctor’s) is actually in Neyman’s Nursery upstairs.  To my surprise, none of these scales showed any discernible increase over when I left.  At least one of the 4 scales would surely have registered a weight gain of 1 pound or more, had I gained it, and yet none of them do; that is an indication I’ve not gained a pound or more.  I check that each scale reliably indicates 1 pound, because I know that is the weight of the book EGEK (you can even see this on the scale shown), and they each show exactly one pound when EGEK is weighed. Having evidence I’ve gained less than 1 pound, there is even less grounds for supposing I’ve gained as much as 5 pounds, right? Continue reading

Categories: Neyman's Nursery, Statistics | Tags: , ,

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