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An Overview, Challenges, and Future Directions - SAMSI

An Overview, Challenges, and Future Directions - SAMSI

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Experiments Models Connectivity Prediction Summary<br />

Statistical Modeling<br />

General Linear Model: Stage II<br />

β ig (v) = µ g (v) + d ig (v)<br />

β ig (v) regression coefficients from stage I.<br />

µ g (v) group-level mean for all effects.<br />

d ig (v)<br />

r<strong>and</strong>om error.<br />

d ig (v) ∼ Normal(0, ω 2 (v)R).<br />

*Examine contrasts, e.g. A = [PostTx − PreTx] patients − [FU − BL] controls<br />

F. D. Bowman (Emory University) <strong>SAMSI</strong>: NDA RTP, NC 15 / 77

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