单细胞多样本混合Seurat对象取部分样本下游分析

###肿瘤样本提取

Idents(seurat_obj) <- "orig.ident"   ##Idents函数定义要取的类别

sub_tumor<- subset(seurat_obj,idents=c("sample1a","sample1b","sample2b","sample3a","sample3b","sample4at"), do.clean=T)