hi all i am working with Medip-seq data. I tried using the MEDIPS-R package and followed the instructions in the manual. I have few doubts understanding the result. chr start stop mmp40.bam.counts s4dna.bam.counts mmp40.bam.rpkm s4dna.bam.rpkm MSets1.counts.mean MSets1.rpkm.mean MSets2.counts.mean MSets2.rpkm.mean edgeR.logFC edgeR.logCPM edgeR.p.value edgeR.adj.p.value 1_id 2_id 3_id 1152833 chr1 115283201 115283300 66 0 569.06 0 66 569.06 0 0 9.38062365468903 3.74971858632751 1.21128729477115E-22 5.33563574335627E-17 ENSG00000285698 ENSG00000228035 NA 1152834 chr1 115283301 115283400 123 0 1060.53 0 123 1060.53 0 0 10.2777407051359 4.65272618085034 9.17824982124343E-42 4.04295479850898E-36 ENSG00000285698 ENSG00000228035 NA 1152835 chr1 115283401 115283500 175 0 1508.88 0 175 1508.88 0 0 10.7860919424516 5.16659956323243 5.12989637130111E-59 2.25968344228354E-53 ENSG00000285698 ENSG00000228035 NA 1152836 chr1 115283501 115283600 215 0 1853.76 0 215 1853.76 0 0 11.0829216668553 5.46656728985704 2.36234658646107E-72 1.04059713491E-66 ENSG00000285698 ENSG00000228035 NA 1152837 chr1 115283601 115283700 221 0 1905.5 0 221 1905.5 0 0 11.1226133197082 5.50666271626026 2.00704106996786E-74 8.84087542033354E-69 ENSG00000285698 ENSG00000228035 NA 1152838 chr1 115283701 115283800 221 0 1905.5 0 221 1905.5 0 0 11.1226133197082 5.50666271626026 2.00704106996786E-74 8.84087542033354E-69 ENSG00000285698 ENSG00000228035 NA

Can anyone explain what is the three id mentioned at the last. some have the ensembl id and few say NA. what significance does it have to that particular chromosome position? https://www.bioconductor.org/packages//2.7/bioc/vignettes/MEDIPS/inst/doc/MEDIPS.pdf this was the reference manual that i used.