③ valr实例计算ChIP-seq中Upstream + GeneBody + Downstream上下游reads的分布
这里只考虑正向的,如果有反向的可以先转为正向。#Summarizingintervalcoverageacrossgenomicfeaturesbedfile%filter(strand=="+")%>%mutate(end=start+1)#1000bpupanddownstreamregion_size%bed_slop(genome,both=region_size)%>%bed_makew