Could someone please explain to me what files I need to have to do the CHIPseeker analysis? For example:
peakAnno <- annotatePeak(files[[4]], tssRegion=c(-3000, 3000),
TxDb=txdb, annoDb="org.Hs.eg.db")
What is that txdb file? I understand I have to annotate .bed file I have first?
Kindly help.