addMetadata {ChIPpeakAnno} | R Documentation |
Add metadata to to overlapping peaks after calling findOverlapsOfPeaks.
addMetadata(ol, colNames=NULL, FUN=c, ...)
ol |
An object of overlappingPeaks, which is output of findOverlapsOfPeaks. |
colNames |
Names of metadata column to be added. If it is NULL, addMetadata will guess what to add. |
FUN |
A function to be called |
... |
Arguments to the function call. |
return value is An object of overlappingPeaks.
Jianhong Ou
See Also as findOverlapsOfPeaks
peaks1 <- GRanges(seqnames=c(6,6,6,6,5), IRanges(start=c(1543200,1557200,1563000,1569800,167889600), end=c(1555199,1560599,1565199,1573799,167893599), names=c("p1","p2","p3","p4","p5")), strand="+", score=1:5, id=letters[1:5]) peaks2 <- GRanges(seqnames=c(6,6,6,6,5), IRanges(start=c(1549800,1554400,1565000,1569400,167888600), end=c(1550599,1560799,1565399,1571199,167888999), names=c("f1","f2","f3","f4","f5")), strand="+", score=6:10, id=LETTERS[1:5]) ol <- findOverlapsOfPeaks(peaks1, peaks2) addMetadata(ol)