Letnbspx1nbspx4 be binary draw the independence graphs, Ask an Expert

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Let X1,..., X4 be binary. Draw the independence graphs corresponding to the following log-linear models. Also, identify whether each is graphical and/or hierarchical (or neither).

(a) log f = 7+ 11x1 + 2x2 + 1.5x3 + 17x4

(b) log f = 7+ 11x1 + 2x2 + 1.5x3 + 17x4 + 12x2x3 + 78x2x4 + 3x3x4 + 32x2x3x4

(d) log f = 7 + 5055x1x2x3x4

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