However, the need to go back and forth between matrices and series
is not very elegant. In CVS I have now enabled the ranking()
function for vectors. So this will now work:
<hansl>
matrix mx = {1,2,3,4}'
matrix my = {1,3,5,7,9}'
matrix Z = msortby((mx ~ 1) | (my ~ 0), 1)
w1 = sumc(selifr(ranking(Z[,1]), Z[,2]))
</hansl>
Allin
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