用于评估微生物差异丰度分析的半参数模拟框架 模拟功能的主要功能 SimulateSeq(otu.tab, model ='loglinear', nSam = 100, nOTU = 500, diff.otu.pct = 0.1, diff.otu.direct = 'balanced', diff.otu.mode = 'abundant', include.top.otu = FALSE, k.top.otu = 5