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1 Design & Analysis of Multi-Stratum Randomized Experiments Ching-Shui Cheng June 9, 2008 National Sun Yat-sen University.

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Presentation on theme: "1 Design & Analysis of Multi-Stratum Randomized Experiments Ching-Shui Cheng June 9, 2008 National Sun Yat-sen University."— Presentation transcript:

1 1 Design & Analysis of Multi-Stratum Randomized Experiments Ching-Shui Cheng June 9, 2008 National Sun Yat-sen University

2 2 Non-orthogonal designs analysis and optimality

3 3 Normal equation

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10 10 Incomplete block designs

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12 12 Consider the model with fixed block effects: To eliminate the nuisance parameters in, we need to project onto :

13 13 The intrablock estimator of a treatment contrast is the same as its least squares estimator under the model with fixed block effects.

14 14 is the orthogonal projection matrix onto

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21 21 ANOVA table for a BIBD

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33 33 Recovery of interblock information

34 34 Non-orthogonal row-column designs

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38 38 To eliminate the nuisance parameters in and, project onto :

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42 42 Youden square

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47 47 Optimal block designs

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52 52 Kiefer (1975)

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