Confusion matrix of true vs. estimated values of binary classification of infection levels.

Samples with incubation times of 5 to 10 days were classified as low, samples with 15 days as high. Classification was done by PLS-DA.将孵育时长为5至10天的样本划分为低组别，孵育时长为15天的样本划分为高组别；该分类操作通过偏最小二乘判别分析（PLS-DA）完成。