نتایج جستجو برای: cross validation
تعداد نتایج: 642706 فیلتر نتایج به سال:
a reliable quantitative structure retention relationship (qsrr) study has been evaluated to predict the retention indices (ris) of a broad spectrum of compounds, namely 118 non-linear, cyclic and heterocyclic terpenoids (both saturated and unsaturated), on an hp-5ms fused silica column. a principal component analysis showed that seven compounds lay outside of the main cluster. after elimination...
In many applications, we have access to the complete dataset but are only interested in prediction of a particular region predictor variables. A standard approach is find globally best modeling method from set candidate methods. However, it perhaps rare reality that one uniformly better than others. natural for this scenario apply weighted L2 loss performance assessment reflect region-specific ...
Cross-validation of methods is an essential component of genome-enabled prediction of complex traits. We develop formulae for computing the predictions that would be obtained when one or several cases are removed in the training process, to become members of testing sets, but by running the model using all observations only once. Prediction methods to which the developments apply include least ...
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