This is a simplified version of merge useful for merging additional
data into a BGData object while keeping the order of the data in the
BGData object.
orderedMerge(x, y, by = c(1L, 2L))Merged data frame
Data frame
Data frame
Specifications of the columns used for merging. Defaults to the first two columns of the data frame, which traditionally has the family ID and the individual ID.
BGData-class for more information on the BGData class.