| mirbaseCHR {mirbase.db} | R Documentation |
mirbaseCHR is an R object that provides mappings between microRNA identifiers and the chromosome that contains the microRNA of interest.
Each microRNA identifier maps to a vector of character strings representing possibly multiple chromosomes.
Source: miRBase (Version: 19) ftp://mirbase.org/pub/mirbase/CURRENT/ With a date stamp from the source of: 01 Aug 2012
x <- mirbaseCHR
# Get the microRNA identifiers that are mapped to a chromosome
mapped_keys <- mappedkeys(x)
# Convert to a list
xx <- as.list(x[mapped_keys])
if(length(xx) > 0) {
# Get the CHR for the first five entries
xx[1:5]
}