Dual extraction ofR-mode andQ-mode factor solutions

@article{Zhou1983DualEO,
  title={Dual extraction ofR-mode andQ-mode factor solutions},
  author={Di Zhou and Theodore Chang and John Christopher Davis},
  journal={Journal of the International Association for Mathematical Geology},
  year={1983},
  volume={15},
  pages={581-606}
}
It is mathematically possible to extract both R-mode and Q-mode factors simultaneously (RQ-mode factor analysis)by invoking the Eckhart-Young theorem. The resulting factors will be expressed in measures determined by the form of the scalings that have been applied to the original data matrix. Unless the measures for both solutions are meaningful for the problem at hand, the factor results may be misleading or uninterpretable. Correspondence analysis uses a symmetrical scaling of both rows and… CONTINUE READING

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