Multiple Linear Regression

September 14, 2009

(This article was first published on R Tutorial, and kindly contributed to R-bloggers)

A multiple linear regression (MLR) model that describes a dependent variable
y by independent variables x1, x2, …, xp (p > 1) is expressed by the equation as
follows, where the numbers α and βk (k = 1, 2, …, p) are the parameters, and ϵ is the
error term.

y = α+ ∑  β x  + ϵ
        k  k k

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