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Stat 200b. Chapter 8. Linear regression models.

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Stat 200b. Chapter 8. Linear regression models. n by 1, n by 2, 2 by 1, n by 1 13 by 5 Effect of increasing seat height is 2 1 Some matrix review transpose ... – PowerPoint PPT presentation

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Title: Stat 200b. Chapter 8. Linear regression models.


1
Stat 200b. Chapter 8. Linear regression models.
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n by 1, n by 2, 2 by 1, n by 1
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13 by 5
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Effect of increasing seat height is 2?1
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Some matrix review transpose
multiplication inverse derivatives
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Normal linear model. Estimation
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Profile log likelihood
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Straight-line/simple regression.
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Fitted values.
NB. Assuming matrix inverse exists
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Weighted least squares.
inverse existing
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Example 8.8. Cycling data
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Example 8.10. Maize data.
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Likelihood quantities.
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Take expected values
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Normal distribution theory. Full rank case
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A useful decomposition.
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Confidence interval.
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Gauss-Markov Theorem. page 374
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There is a generalized inverse variant Example.
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Eg. Teaching methods data, p. 427 Method
average Usual 17
14 24 20 24 24 19.67 Praised 28 30 29 24 27
23 27.41
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