A Comparison of Sparse Partial Least Squares and Elastic Net in Wavelength Selection on NIR Spectroscopy Data

<table class="fixed-width table-group" id="tab5"><tr><td><table class="table"><colgroup><col style="width:3.31em"/><col style="width:8.86em"/><col style="width:6.94em"/><col style="width:9.66em"/></colgroup><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr class="thead"><td class="align_left"> </td><td class="align_center">Train MSECV(SD)</td><td class="align_center">Test MSE(SD)</td><td class="align_center">Num of selected(SD)</td></tr><tr><td class="thead-hr" colspan="4"><hr/></td></tr><tr><td class="align_left">Enet</td><td class="align_center">12.743(1.429)</td><td class="align_center">15.359(4.862)</td><td class="align_center">48.500(17.020)</td></tr><tr><td class="align_left" colspan="4"><hr/></td></tr><tr><td class="align_left">SPLS</td><td class="align_center">2.696(1.576)</td><td class="align_center">10.354(5.492)</td><td class="align_center">658.580(142.789)</td></tr><tr class="table-tr"><td colspan="4"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>The results on “buckwheat” data set based on 100 replications.</div>

International Journal of Analytical Chemistry

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Table 5

Table 5: A Comparison of Sparse Partial Least Squares and Elastic Net in Wavelength Selection on NIR Spectroscopy Data 