A zero altered Poisson random forest model for genomic-enabled prediction.

A zero altered Poisson random forest model for genomic-enabled prediction.
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DOI:
10.1093/g3journal/jkaa057
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发表时间:
2021-02-09
期刊:
G3 (Bethesda, Md.)
影响因子:
--
通讯作者:
Valladares-Anguiano FA
Valladares-Anguiano FA
中科院分区:
其他
文献类型:
--
作者:
Montesinos-López OA;Montesinos-López A;Mosqueda-Gonzalez BA;Montesinos-López JC;Crossa J;Ramirez NL;Singh P;Valladares-Anguiano FA

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In genomic selection choosing the statistical machine learning model is of paramount importance. In this paper, we present an application of a zero altered random forest model with two versions (ZAP_RF and ZAPC_RF) to deal with excess zeros in count response variables. The proposed model was compared with the conventional random forest (RF) model and with the conventional Generalized Poisson Ridge regression (GPR) using two real datasets, and we found that, in terms of prediction performance, the proposed zero inflated random forest model outperformed the conventional RF and GPR models.
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