Consistent Noisy Independent Component Analysis
We study linear factor models under the assumptions that factors are mutually independent and independent of errors, and errors can be correlated to some extent. Under factor non-Gaussianity, second to fourth-order moments are shown to yield full identification of the matrix of factor loadings. We develop a simple algorithm to estimate the matrix of factor loadings from these moments. We run Monte Carlo simulations and apply our methodology to British data on cognitive test scores.
Year of publication: |
2009-01
|
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Authors: | Robin, Jean-Marc ; Bonhomme, Stéphane |
Institutions: | Sciences économiques, Sciences Po |
Saved in:
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