"obi.space" "obi.ranges.start" "obi.ranges.end" "obi.ranges.width" "obi.copy.count" "obi.log.odds" "obi.nranges" "obi.targeted.bp" "obi.sample.name" "Chr21" 36160099 37357047 1196949 2 0 139 14610 "sample16"