Gene Selection for Multiclass Prediction by Weighted Fisher Criterion
2007

Gene Selection for Multiclass Prediction

publication Evidence: high

Author Information

Author(s): Xuan Jianhua, Wang Yue, Dong Yibin, Feng Yuanjian, Wang Bin, Khan Javed, Bakay Maria, Wang Zuyi, Pachman Lauren, Winokur Sara, Chen Yi-Wen, Clarke Robert, Hoffman Eric

Primary Institution: Virginia Polytechnic Institute and State University

Hypothesis

Can a two-step gene selection method improve the accuracy of multiclass disease prediction?

Conclusion

The two-step gene selection method successfully identified a small set of highly discriminative genes for improved multiclass prediction.

Supporting Evidence

  • The method identified a much smaller yet efficient set of jointly discriminatory genes for diagnosing small round blue cell tumors and muscular dystrophies.
  • Prediction accuracies were reported as 96.9% for small round blue cell tumors and 92.3% for muscular dystrophies.

Takeaway

Scientists found a way to pick the best genes to help tell different diseases apart, making it easier to diagnose them accurately.

Methodology

A two-step gene selection method was used, involving the identification of individually and jointly discriminatory genes, followed by evaluation using artificial neural networks and support vector machines.

Digital Object Identifier (DOI)

10.1155/2007/64628

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