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==Factor rotation==
Factor rotation is the process for interpreting factor matrixes. For any solution with two or more factors there are an infinite number of orientations of the factors that will explain the data equally well. Because there is no unique solution, a researcher must select a single solution from the infinite possibilities. The goal of factor rotation is to [[Rotation of axes|rotate]] factors in multidimensional space to arrive at a solution with best simple structure. There are two main types of factor rotation: [[Orthogonality|orthogonal]] and [[Angle#Types of angles|oblique]] rotation.
===Orthogonal rotation===
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