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Portable Network Graphic  |  1994-04-29  |  59KB  |  816x1056  |  8-bit (256 colors)
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OCR: Leverage Plot for an Effect in the Model The leverage plot is a point --by- point display of how the hypothesis sums -of-squares ic compose residuak residual There JC sloped line representing the fitted constrainea by model, and horizontal line representing the hypothesis model under constraint, ie without the particular effect in the model The distance from point to the line of fit shows the actua residual. The distance from the point to the horizontal line line of fit of the mean shows what the residual error woulc be if the effect were removed from the model (if its parameters were constrained to the points farther out pull on the line hypothesized value of zero). Points farther out of fit with greater leverage than from the midde of the axis have an opportuni the points near the middle ...