Das Gupta equation 6.12 for a differences between 2 populations when standardised across N populations.
dg612(srates, all_p, ps, factor)
data.frame object including K-a standardised-rate-differences for each population for given factor a, across N populations
a dataframe output from dg2p
character or numeric vector of all N populations
vector of length 2 specifying a possible pairwise comparison of populations
character string indicating name of factor