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## 4150Re: (unknown)

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• May 30, 2004
--- In APBR_analysis@yahoogroups.com, igor eduardo küpfer
<edkupfer@r...> wrote:
> >> I'm not quite sure what endogenous means. If it means being

I should note that, not being an economist, I like throwing this word
around without as great an appreciation or understanding for it as I
should.

> You'll have to help me out here, as I don't know anything about
transforming
> data. Do you mean include Days^2 in addition to Days or instead of
Days? I
> did both, and here's how they turned out:

Include both, which you did in the first set below. Looks like it got
you significant on both days and days^2. And the signs are as
expected. It suggests optimal rest at about 3 days, longer than the 2
days we saw before. (Potentially important for the talk about rust vs
rest, esp if the Lakers wrap up on M.) Let me also ask -- is Days = 0
if a team plays back to back nights or is that Days = 1?

I'm sure there are other ways to manipulate things, but this looks
like a pretty good thing. I'm saving it.

Home is a binary 1/0 indicator for home/road, resp?

>
> PtsDiff = - 21.2 + 2.59 Days +0.000021 Dist + 5.59 Home + 30.0
MatchupP -
> 0.394 Days_2
>
> Predictor Coef SE Coef T P
> Constant -21.169 1.195 -17.71 0.000
> Days 2.5924 0.7956 3.26 0.001
> Dist 0.0000214 0.0003555 0.06 0.952
> Home 5.5937 0.4858 11.51 0.000
> MatchupP 29.991 1.134 26.45 0.000
> Days_2 -0.3938 0.1350 -2.92 0.004
>
>

DeanO

Dean Oliver
Author, Basketball on Paper
http://www.basketballonpaper.com
"Dean Oliver looks at basketball with a fresh perspective. If you
want a new way to analyze the game, this book is for you. You'll
never watch a game the same way again. We use his stuff and it helps
us." Yvan Kelly, Scout, Seattle Sonics
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