Initial data commit

Task/Bin-given-limits/Factor/bin-given-limits.factor

@@ -0,0 +1,48 @@
+USING: assocs formatting grouping io kernel math math.parser
+math.statistics sequences sequences.extras sorting.extras ;
+
+: bin ( data limits -- seq )
+    dup length 1 + [ 0 ] replicate -rot
+    [ bisect-right over [ 1 + ] change-nth ] curry each ;
+
+: .bin ( {lo,hi} n i -- )
+    swap "%3d members in " printf zero? "(" "[" ? write
+    "%s, %s)\n" vprintf ;
+
+: .bins ( data limits -- )
+    dup [ number>string ] map "-∞" prefix "∞" suffix 2 clump
+    -rot bin [ .bin ] 2each-index ;
+
+
+"First example:" print
+{
+    95 21 94 12 99 4 70 75 83 93 52 80 57 5 53 86 65 17 92 83 71
+    61 54 58 47 16 8 9 32 84 7 87 46 19 30 37 96 6 98 40 79 97
+    45 64 60 29 49 36 43 55
+}
+{ 23 37 43 53 67 83 } .bins nl
+
+"Second example:" print
+{
+    445 814 519 697 700 130 255 889 481 122
+    932  77 323 525 570 219 367 523 442 933
+    416 589 930 373 202 253 775  47 731 685
+    293 126 133 450 545 100 741 583 763 306
+    655 267 248 477 549 238  62 678  98 534
+    622 907 406 714 184 391 913  42 560 247
+    346 860  56 138 546  38 985 948  58 213
+    799 319 390 634 458 945 733 507 916 123
+    345 110 720 917 313 845 426   9 457 628
+    410 723 354 895 881 953 677 137 397  97
+    854 740  83 216 421  94 517 479 292 963
+    376 981 480  39 257 272 157   5 316 395
+    787 942 456 242 759 898 576  67 298 425
+    894 435 831 241 989 614 987 770 384 692
+    698 765 331 487 251 600 879 342 982 527
+    736 795 585  40  54 901 408 359 577 237
+    605 847 353 968 832 205 838 427 876 959
+    686 646 835 127 621 892 443 198 988 791
+    466  23 707 467  33 670 921 180 991 396
+    160 436 717 918   8 374 101 684 727 749
+}
+{ 14 18 249 312 389 392 513 591 634 720 } .bins