'Data a2' diaporamas de présentation

Matrix

Matrix. A matrix is a rectangular array of elements arranged in rows and columns Dimension of a matrix is r x c r = c ? square matrix r = 1 ? (row) vector c = 1 ? column vector. Matrix (cont). elements are either numbers or symbols

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Topic 27: Strategies of Analysis

Topic 27: Strategies of Analysis. Outline. Strategy for analysis of two-way studies Interaction is not significant Interaction is significant What if levels of factor or factors is quantitative? What if cell size is n=1?. An analytical strategy.

642 views • 53 slides

Topic 19: Remedies

Topic 19: Remedies. Outline. Review regression diagnostics Remedial measures Weighted regression Ridge regression Robust regression Bootstrapping. Regression Diagnostics Summary. Check normality of the residuals with a normal quantile plot

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