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http://hdl.handle.net/10419/65935
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| Title: | | Factor rotation with non-negativity constraints  |
| Authors: | | Pudney, Stephen |
| Issue Date: | | 2011 |
| Series/Report no.: | | ISER Working Paper Series 2011-05 |
| Abstract: | | Factor rotation is widely used to interpret the estimated factor loadings from latent variable models. Rotation methods embody a priori concepts of `complexity' of factor structures, which they seek to minimise. Surprisingly, it is rare for researchers to exploit one of the most common and powerful sources of a priori information: non-negativity of factor load- ings. This paper develops a method of incorporating sign restrictions in factor rotation, exploiting a recently-developed test for multiple inequality constraints. An application to the measurement of disability demonstrates the feasibility of the method and the power of non-negativity restrictions. |
| Subjects: | | Factor rotation Inequality constraints Chen-Szroeter test Disability |
| JEL: | | C12 C38 I10 |
| Document Type: | | Working Paper |
| Appears in Collections: | | ISER Working Paper Series, Institute for Social and Economic Research (ISER), University of Essex
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