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Comparison of the modified unbounded penalty and the LASSO to select predictive genes of response to chemotherapy in breast cancer

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By Olivier Collignon, Jeongseop Han, Hyungmi An
| PLOS
Covariate selection is a fundamental step when building sparse prediction models in order to avoid overfitting and to gain a better interpretation of the classifier without losing its predictive accuracy. In practice the LASSO regression of Tibshirani, which penalizes the likelihood of the model by the L1 norm of the regression coefficients, has become the gold-standard to reach these objectives.
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