Linear model: Difference between revisions

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==Linear regression models==

{{main|Linear regressionsexo<ref></ref>}}

For the regression case, the [[statistical model]] is as follows. Given a (random) sample <math> (Y_i, X_{i1}, \ldots, X_{ip}), \, i = 1, \ldots, n </math> the relation between the observations ''Y_i'' and the [[independent variables]] ''X_ij'' is formulated as