common.ijs (337B)
1 2 test0 =. 1 5 10 20 40 80 3 test1 =. 6 7 10 20 80 100 4 test2 =. 3 4 15 20 30 70 80 120 5 6 test3 =. 1 5 5 5 7 test4 =. 3 4 5 5 10 8 test5 =. 5 5 10 20 9 10 NB. for a given array, want keys and counts 11 NB. should be easy. vals become keys, counts are reported 12 13 histogram =. ({. ; #) /. ~ 14 15 NB. next need intersection of sorts between these boxed arrays