Article
Systematic bias of correlation coefficient may explain negative accuracy of genomic prediction.
Briefings in bioinformatics - 1 Sept 2017
Zhou Yao, Vales M Isabel, Wang Aoxue, Zhang Zhiwu
Abstract excerpt
Accuracy of genomic prediction is commonly calculated as the Pearson correlation coefficient between the predicted and observed phenotypes in the inference population by using cross-validation analysis. More frequently than expected, significant negative accuracies of genomic prediction have been reported in genomic selection studies. These negative values are surprising, given that the minimum value for...
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