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COMPHISTOGRAM Statement

Creating a One-Way Comparative Histogram

See CAPCMH1 in the SAS/QC Sample Library

The effective channel length (in microns) is measured for 1225 field effect transistors. Both the channel length (LENGTH) and the lot source (LOT) are saved in a SAS data set named CHANNEL. A listing of CHANNEL is shown in Figure 3.1.

 
Obs lot length
1 Lot 1 0.90979
2 Lot 1 1.01131
3 Lot 1 0.95001
4 Lot 1 1.12591
5 Lot 1 1.11707
6 Lot 1 0.86177
7 Lot 1 0.96033
8 Lot 1 1.16649
9 Lot 1 1.35797
10 Lot 1 1.09681
11 Lot 1 0.97602
12 Lot 1 1.26500
13 Lot 1 1.13444
14 Lot 1 0.91729
15 Lot 1 1.15434
16 Lot 1 1.25959
17 Lot 1 1.13754
18 Lot 1 0.87769
19 Lot 1 1.03130
20 Lot 1 0.99712
21 Lot 1 0.98050
22 Lot 1 0.93593
23 Lot 1 1.08512
24 Lot 1 0.92129
25 Lot 1 1.10469
26 Lot 1 0.95327
27 Lot 1 1.05129
28 Lot 1 1.05454
29 Lot 1 1.10640
30 Lot 1 1.14658
31 Lot 1 1.10567
32 Lot 1 0.98077
33 Lot 1 0.78236
34 Lot 1 1.09195
35 Lot 1 0.93934
36 Lot 1 1.05026
37 Lot 1 0.88937
38 Lot 1 1.15862
39 Lot 1 0.88343
40 Lot 1 1.18761
41 Lot 1 1.01395
42 Lot 1 1.07662
43 Lot 1 1.19283
44 Lot 1 0.93812
45 Lot 1 0.91787
46 Lot 1 1.27319
47 Lot 1 0.89531
48 Lot 1 0.88314
49 Lot 1 1.38409
50 Lot 1 1.01772
51 Lot 1 1.20846
52 Lot 1 0.99255
53 Lot 1 1.18584
54 Lot 1 1.04670
55 Lot 1 0.94903
56 Lot 1 0.91649
57 Lot 1 1.06414
58 Lot 1 1.02590
59 Lot 1 0.76347
60 Lot 1 1.04137
61 Lot 1 0.83941
62 Lot 1 0.92541
63 Lot 1 0.96196
64 Lot 1 1.22955
65 Lot 1 1.06435
66 Lot 1 1.20224
67 Lot 1 0.94027
68 Lot 1 0.73949
69 Lot 1 0.79885
70 Lot 1 1.00476
71 Lot 1 1.00044
72 Lot 1 0.97440
73 Lot 1 0.94463
74 Lot 1 1.04559
75 Lot 1 1.08990
76 Lot 1 1.07435
77 Lot 1 0.79486
78 Lot 1 1.05719
79 Lot 1 0.95656
80 Lot 1 0.99786
81 Lot 1 1.07365
82 Lot 1 0.98242
83 Lot 1 1.26055
84 Lot 1 0.99496
85 Lot 1 1.11533
86 Lot 1 0.99465
87 Lot 1 1.04984
88 Lot 1 1.12190
89 Lot 1 0.85401
90 Lot 1 0.96154
91 Lot 1 1.00634
92 Lot 1 1.21030
93 Lot 1 0.94576
94 Lot 1 0.86175
95 Lot 1 0.86349
96 Lot 1 1.19323
97 Lot 1 1.24397
98 Lot 1 0.75017
99 Lot 1 1.02780
100 Lot 1 0.83542
101 Lot 1 0.92975
102 Lot 1 0.65491
103 Lot 1 0.83883
104 Lot 1 0.91684
105 Lot 1 0.85805
106 Lot 1 1.06769
107 Lot 1 1.05093
108 Lot 1 0.95468
109 Lot 1 1.04914
110 Lot 1 1.09557
111 Lot 1 0.92769
112 Lot 1 1.02851
113 Lot 1 0.93610
114 Lot 1 0.96827
115 Lot 1 0.95367
116 Lot 1 0.98604
117 Lot 1 0.97126
118 Lot 1 0.80981
119 Lot 1 1.09652
120 Lot 1 0.94540
121 Lot 1 1.07633
122 Lot 1 0.74692
123 Lot 1 0.97256
124 Lot 1 0.94370
125 Lot 1 0.95241
126 Lot 1 0.85323
127 Lot 1 1.01972
128 Lot 1 1.07146
129 Lot 1 1.11171
130 Lot 1 1.02304
131 Lot 1 1.16495
132 Lot 1 1.05230
133 Lot 1 0.88050
134 Lot 1 1.28575
135 Lot 1 0.98845
136 Lot 1 0.82599
137 Lot 1 1.05933
138 Lot 1 1.05153
139 Lot 1 1.03027
140 Lot 1 1.14623
141 Lot 1 1.14471
142 Lot 1 0.90808
143 Lot 1 1.16539
144 Lot 1 1.17006
145 Lot 1 0.70138
146 Lot 1 0.83727
147 Lot 1 1.33099
148 Lot 1 0.94857
149 Lot 1 1.34411
150 Lot 1 1.13825
151 Lot 1 1.07542
152 Lot 1 1.28387
153 Lot 1 1.14463
154 Lot 1 0.84028
155 Lot 1 1.09187
156 Lot 1 1.12012
157 Lot 1 0.98783
158 Lot 1 1.07907
159 Lot 1 0.94953
160 Lot 1 1.12399
161 Lot 1 0.70385
162 Lot 1 1.06714
163 Lot 1 1.05661
164 Lot 1 1.24158
165 Lot 1 1.17275
166 Lot 1 0.96379
167 Lot 1 0.99720
168 Lot 1 0.84684
169 Lot 1 1.24975
170 Lot 1 0.83577
171 Lot 1 1.00485
172 Lot 1 1.01232
173 Lot 1 1.07816
174 Lot 1 1.07826
175 Lot 1 0.75204
176 Lot 1 1.05583
177 Lot 1 1.08896
178 Lot 1 0.85838
179 Lot 1 1.08348
180 Lot 1 1.11194
181 Lot 1 1.19375
182 Lot 1 1.25231
183 Lot 1 0.93810
184 Lot 1 0.97478
185 Lot 1 0.81463
186 Lot 1 0.91242
187 Lot 1 0.98654
188 Lot 1 0.94012
189 Lot 1 0.93675
190 Lot 1 1.11673
191 Lot 1 1.09752
192 Lot 1 0.82201
193 Lot 1 1.17243
194 Lot 1 0.88768
195 Lot 1 0.75079
196 Lot 1 0.83893
197 Lot 1 1.10437
198 Lot 1 0.92946
199 Lot 1 1.11194
200 Lot 1 1.07171
201 Lot 1 1.20350
202 Lot 1 1.21571
203 Lot 1 0.89598
204 Lot 1 1.01179
205 Lot 1 1.17060
206 Lot 1 0.96737
207 Lot 1 1.02209
208 Lot 1 0.76893
209 Lot 1 1.06975
210 Lot 1 0.87381
211 Lot 1 0.95976
212 Lot 1 1.20618
213 Lot 1 1.03706
214 Lot 1 0.89437
215 Lot 1 0.95321
216 Lot 1 0.85936
217 Lot 1 0.84061
218 Lot 1 1.02768
219 Lot 1 1.26136
220 Lot 1 0.70513
221 Lot 1 0.75057
222 Lot 1 1.33935
223 Lot 1 1.13731
224 Lot 1 1.09122
225 Lot 1 0.84739
226 Lot 1 0.68137
227 Lot 1 0.78606
228 Lot 1 1.06280
229 Lot 1 1.11787
230 Lot 1 1.10281
231 Lot 1 0.97802
232 Lot 1 1.11284
233 Lot 1 0.98248
234 Lot 1 0.85640
235 Lot 1 1.14536
236 Lot 1 0.88695
237 Lot 1 1.21080
238 Lot 1 0.79486
239 Lot 1 1.30911
240 Lot 1 0.83619
241 Lot 1 1.05010
242 Lot 1 0.89361
243 Lot 1 1.00572
244 Lot 1 0.81181
245 Lot 1 1.09876
246 Lot 1 1.03840
247 Lot 1 1.07478
248 Lot 1 1.02371
249 Lot 1 0.91112
250 Lot 1 0.99670
251 Lot 1 0.98025
252 Lot 1 0.95423
253 Lot 1 0.82454
254 Lot 1 1.11052
255 Lot 1 1.07009
256 Lot 1 1.07147
257 Lot 1 0.88639
258 Lot 1 1.14676
259 Lot 1 1.04031
260 Lot 1 1.18713
261 Lot 1 1.06815
262 Lot 1 1.02658
263 Lot 1 1.03643
264 Lot 1 0.80820
265 Lot 1 0.92839
266 Lot 1 1.06273
267 Lot 1 0.92186
268 Lot 1 1.28990
269 Lot 1 1.04487
270 Lot 1 0.99306
271 Lot 1 0.86009
272 Lot 1 0.84260
273 Lot 1 1.21870
274 Lot 1 1.09425
275 Lot 1 1.13851
276 Lot 1 0.76016
277 Lot 1 0.85859
278 Lot 1 0.96271
279 Lot 1 1.07202
280 Lot 1 1.21126
281 Lot 1 0.92513
282 Lot 1 1.06928
283 Lot 1 1.12546
284 Lot 1 0.95251
285 Lot 1 0.92197
286 Lot 1 1.01062
287 Lot 1 1.00520
288 Lot 1 1.16058
289 Lot 1 1.23882
290 Lot 1 0.82078
291 Lot 1 1.02657
292 Lot 1 1.30588
293 Lot 1 0.78992
294 Lot 1 1.13878
295 Lot 1 1.14559
296 Lot 1 0.97329
297 Lot 1 0.82309
298 Lot 1 1.10049
299 Lot 1 1.05913
300 Lot 1 0.99631
301 Lot 1 0.58167
302 Lot 1 0.78721
303 Lot 1 1.07577
304 Lot 1 1.05847
305 Lot 1 1.06271
306 Lot 1 1.14389
307 Lot 1 1.09169
308 Lot 1 1.01135
309 Lot 1 0.87350
310 Lot 1 0.97397
311 Lot 1 1.08476
312 Lot 1 1.03201
313 Lot 1 1.07765
314 Lot 1 0.91985
315 Lot 1 1.26156
316 Lot 1 0.74085
317 Lot 1 0.97648
318 Lot 1 0.93587
319 Lot 1 0.83761
320 Lot 1 1.07228
321 Lot 1 1.03766
322 Lot 1 0.93282
323 Lot 1 0.89511
324 Lot 1 0.83302
325 Lot 1 0.90759
326 Lot 1 1.14941
327 Lot 1 1.00402
328 Lot 1 0.85776
329 Lot 1 0.87176
330 Lot 1 0.75069
331 Lot 1 1.19017
332 Lot 1 1.13348
333 Lot 1 1.13666
334 Lot 1 0.77605
335 Lot 1 1.02861
336 Lot 1 0.94962
337 Lot 1 0.77490
338 Lot 1 0.89101
339 Lot 1 0.90023
340 Lot 1 0.95937
341 Lot 1 0.95409
342 Lot 1 1.08104
343 Lot 1 1.02915
344 Lot 1 0.97582
345 Lot 1 0.99706
346 Lot 1 0.86439
347 Lot 1 1.16442
348 Lot 1 1.05256
349 Lot 1 0.96856
350 Lot 1 0.91336
351 Lot 1 1.06171
352 Lot 1 1.11631
353 Lot 1 0.97325
354 Lot 1 1.03320
355 Lot 1 0.88019
356 Lot 1 1.02235
357 Lot 1 0.98498
358 Lot 1 0.95237
359 Lot 1 0.86023
360 Lot 1 1.13776
361 Lot 1 1.14509
362 Lot 1 1.26388
363 Lot 1 0.83942
364 Lot 1 0.81729
365 Lot 1 0.91473
366 Lot 1 1.02040
367 Lot 1 0.96172
368 Lot 1 0.94632
369 Lot 1 1.16828
370 Lot 1 1.02819
371 Lot 1 0.88889
372 Lot 1 1.07404
373 Lot 1 1.05563
374 Lot 1 1.08772
375 Lot 1 0.95101
376 Lot 1 0.98731
377 Lot 1 1.37613
378 Lot 1 1.10483
379 Lot 1 0.87914
380 Lot 1 1.05345
381 Lot 1 1.17747
382 Lot 1 0.92557
383 Lot 1 1.14113
384 Lot 1 0.85962
385 Lot 1 1.24439
386 Lot 1 0.96871
387 Lot 1 1.03666
388 Lot 1 1.12320
389 Lot 1 1.09931
390 Lot 1 1.13728
391 Lot 1 1.22156
392 Lot 1 0.88668
393 Lot 1 0.93462
394 Lot 1 1.30317
395 Lot 1 0.92770
396 Lot 1 0.99883
397 Lot 1 1.06286
398 Lot 1 0.92223
399 Lot 1 1.25947
400 Lot 1 0.75494
401 Lot 1 1.23728
402 Lot 1 1.16820
403 Lot 1 1.09464
404 Lot 1 1.06317
405 Lot 1 0.78486
406 Lot 1 0.94798
407 Lot 1 0.96959
408 Lot 1 0.90050
409 Lot 1 0.98024
410 Lot 1 0.87796
411 Lot 1 0.87050
412 Lot 1 1.00332
413 Lot 1 0.83485
414 Lot 1 1.10919
415 Lot 1 1.15233
416 Lot 1 1.19583
417 Lot 1 1.21448
418 Lot 1 1.00274
419 Lot 1 0.95384
420 Lot 1 0.81624
421 Lot 1 1.15935
422 Lot 1 0.80069
423 Lot 1 0.99298
424 Lot 1 0.89302
425 Lot 1 1.16733
426 Lot 2 1.47311
427 Lot 2 1.47378
428 Lot 2 1.37084
429 Lot 2 1.45776
430 Lot 2 1.37604
431 Lot 2 1.44098
432 Lot 2 1.48916
433 Lot 2 1.41008
434 Lot 2 1.58153
435 Lot 2 1.50578
436 Lot 2 1.34393
437 Lot 2 1.30833
438 Lot 2 1.40812
439 Lot 2 1.53495
440 Lot 2 1.64652
441 Lot 2 1.27827
442 Lot 2 1.65530
443 Lot 2 1.62507
444 Lot 2 1.57813
445 Lot 2 1.41918
446 Lot 2 1.60624
447 Lot 2 1.61938
448 Lot 2 1.71623
449 Lot 2 1.48242
450 Lot 2 1.44491
451 Lot 2 1.45570
452 Lot 2 1.55329
453 Lot 2 1.43074
454 Lot 2 1.48977
455 Lot 2 1.54205
456 Lot 2 1.54611
457 Lot 2 1.45623
458 Lot 2 1.36377
459 Lot 2 1.54879
460 Lot 2 1.38848
461 Lot 2 1.65625
462 Lot 2 1.65400
463 Lot 2 1.50411
464 Lot 2 1.61424
465 Lot 2 1.64734
466 Lot 2 1.41052
467 Lot 2 1.45566
468 Lot 2 1.54403
469 Lot 2 1.35005
470 Lot 2 1.60132
471 Lot 2 1.43309
472 Lot 2 1.35735
473 Lot 2 1.31913
474 Lot 2 1.45451
475 Lot 2 1.28999
476 Lot 2 1.54343
477 Lot 2 1.38419
478 Lot 2 1.43404
479 Lot 2 1.43295
480 Lot 2 1.46571
481 Lot 2 1.56659
482 Lot 2 1.49731
483 Lot 2 1.38164
484 Lot 2 1.79790
485 Lot 2 1.49774
486 Lot 2 1.26602
487 Lot 2 1.46852
488 Lot 2 1.33706
489 Lot 2 1.61825
490 Lot 2 1.47046
491 Lot 2 1.32831
492 Lot 2 1.52918
493 Lot 2 1.23784
494 Lot 2 1.73236
495 Lot 2 1.37473
496 Lot 2 1.53700
497 Lot 2 1.29003
498 Lot 2 1.48763
499 Lot 2 1.30551
500 Lot 2 1.60653
501 Lot 2 1.48433
502 Lot 2 1.36471
503 Lot 2 1.63190
504 Lot 2 1.59147
505 Lot 2 1.54531
506 Lot 2 1.50954
507 Lot 2 1.62686
508 Lot 2 1.50484
509 Lot 2 1.48394
510 Lot 2 1.44807
511 Lot 2 1.42326
512 Lot 2 1.58195
513 Lot 2 1.56949
514 Lot 2 1.64320
515 Lot 2 1.59578
516 Lot 2 1.37527
517 Lot 2 1.52312
518 Lot 2 1.49760
519 Lot 2 1.46567
520 Lot 2 1.49738
521 Lot 2 1.56914
522 Lot 2 1.43669
523 Lot 2 1.32954
524 Lot 2 1.54257
525 Lot 2 1.48797
526 Lot 2 1.45981
527 Lot 2 1.58808
528 Lot 2 1.49669
529 Lot 2 1.66566
530 Lot 2 1.54797
531 Lot 2 1.68836
532 Lot 2 1.60706
533 Lot 2 1.34787
534 Lot 2 1.90138
535 Lot 2 1.67119
536 Lot 2 1.65648
537 Lot 2 1.24417
538 Lot 2 1.48168
539 Lot 2 1.43169
540 Lot 2 1.54324
541 Lot 2 1.42634
542 Lot 2 1.45135
543 Lot 2 1.50635
544 Lot 2 1.55570
545 Lot 2 1.58583
546 Lot 2 1.52167
547 Lot 2 1.49809
548 Lot 2 1.54848
549 Lot 2 1.49417
550 Lot 2 1.33012
551 Lot 2 1.57136
552 Lot 2 1.48511
553 Lot 2 1.39433
554 Lot 2 1.61783
555 Lot 2 1.45626
556 Lot 2 1.57379
557 Lot 2 1.52895
558 Lot 2 1.53779
559 Lot 2 1.78524
560 Lot 2 1.43078
561 Lot 2 1.64584
562 Lot 2 1.44497
563 Lot 2 1.33850
564 Lot 2 1.43922
565 Lot 2 1.38815
566 Lot 2 1.54659
567 Lot 2 1.63583
568 Lot 2 1.67751
569 Lot 2 1.35324
570 Lot 2 1.58295
571 Lot 2 1.81766
572 Lot 2 1.30772
573 Lot 2 1.31634
574 Lot 2 1.47960
575 Lot 2 1.44478
576 Lot 2 1.69606
577 Lot 2 1.45339
578 Lot 2 1.52202
579 Lot 2 1.35534
580 Lot 2 1.56046
581 Lot 2 1.61808
582 Lot 2 1.72785
583 Lot 2 1.53807
584 Lot 2 1.84108
585 Lot 2 1.34975
586 Lot 2 1.37743
587 Lot 2 1.73260
588 Lot 2 1.59806
589 Lot 2 1.46346
590 Lot 2 1.82014
591 Lot 2 1.48668
592 Lot 2 1.63524
593 Lot 2 1.68510
594 Lot 2 1.32401
595 Lot 2 1.35924
596 Lot 2 1.34219
597 Lot 2 1.33713
598 Lot 2 1.50268
599 Lot 2 1.70776
600 Lot 2 1.37963
601 Lot 2 1.40600
602 Lot 2 1.54938
603 Lot 2 1.37180
604 Lot 2 1.41624
605 Lot 2 1.52192
606 Lot 2 1.31297
607 Lot 2 1.17108
608 Lot 2 1.64865
609 Lot 2 1.45247
610 Lot 2 1.66487
611 Lot 2 1.53230
612 Lot 2 1.55120
613 Lot 2 1.38835
614 Lot 2 1.51061
615 Lot 2 1.42387
616 Lot 2 1.41539
617 Lot 2 1.59116
618 Lot 2 1.38320
619 Lot 2 1.59402
620 Lot 2 1.59106
621 Lot 2 1.58796
622 Lot 2 1.74233
623 Lot 2 1.57344
624 Lot 2 1.70301
625 Lot 2 1.43151
626 Lot 2 1.35495
627 Lot 2 1.35561
628 Lot 2 1.28954
629 Lot 2 1.53931
630 Lot 2 1.53672
631 Lot 2 1.19019
632 Lot 2 1.41069
633 Lot 2 1.35311
634 Lot 2 1.65804
635 Lot 2 1.41535
636 Lot 2 1.27464
637 Lot 2 1.25408
638 Lot 2 1.56758
639 Lot 2 1.42142
640 Lot 2 1.55744
641 Lot 2 1.61292
642 Lot 2 1.41969
643 Lot 2 1.66090
644 Lot 2 1.55590
645 Lot 2 1.65976
646 Lot 2 1.71899
647 Lot 2 1.32058
648 Lot 2 1.47373
649 Lot 2 1.29542
650 Lot 2 1.36759
651 Lot 2 1.72261
652 Lot 2 1.30517
653 Lot 2 1.44459
654 Lot 2 1.61234
655 Lot 2 1.65767
656 Lot 2 1.44459
657 Lot 2 1.42745
658 Lot 2 1.47802
659 Lot 2 1.75430
660 Lot 2 1.52337
661 Lot 2 1.61418
662 Lot 2 1.38014
663 Lot 2 1.58235
664 Lot 2 1.41702
665 Lot 2 1.28674
666 Lot 2 1.46387
667 Lot 2 1.46477
668 Lot 2 1.54026
669 Lot 2 1.52889
670 Lot 2 1.50646
671 Lot 2 1.53052
672 Lot 2 1.70727
673 Lot 2 1.49950
674 Lot 2 1.39294
675 Lot 2 1.36742
676 Lot 2 1.31805
677 Lot 2 1.54019
678 Lot 2 1.31095
679 Lot 2 1.43970
680 Lot 2 1.50818
681 Lot 2 1.42585
682 Lot 2 1.38156
683 Lot 2 1.54966
684 Lot 2 1.46781
685 Lot 2 1.62361
686 Lot 2 1.50676
687 Lot 2 1.54552
688 Lot 2 1.45274
689 Lot 2 1.45830
690 Lot 2 1.47613
691 Lot 2 1.49769
692 Lot 2 1.38806
693 Lot 2 1.40342
694 Lot 2 1.14409
695 Lot 2 1.41095
696 Lot 2 1.59593
697 Lot 2 1.22509
698 Lot 2 1.51492
699 Lot 2 1.56627
700 Lot 2 1.46945
701 Lot 2 1.56167
702 Lot 2 1.43441
703 Lot 2 1.78195
704 Lot 2 1.47754
705 Lot 2 1.24751
706 Lot 2 1.45636
707 Lot 2 1.53501
708 Lot 2 1.47189
709 Lot 2 1.20527
710 Lot 2 1.41246
711 Lot 2 1.54389
712 Lot 2 1.66847
713 Lot 2 1.79702
714 Lot 2 1.49514
715 Lot 2 1.67578
716 Lot 2 1.46302
717 Lot 2 1.66952
718 Lot 2 1.34817
719 Lot 2 1.57949
720 Lot 2 1.60327
721 Lot 2 1.48056
722 Lot 2 1.52580
723 Lot 2 1.57490
724 Lot 2 1.24903
725 Lot 2 1.56475
726 Lot 2 1.32832
727 Lot 2 1.39252
728 Lot 2 1.47083
729 Lot 2 1.34095
730 Lot 2 1.40270
731 Lot 2 1.41603
732 Lot 2 1.54966
733 Lot 2 1.24927
734 Lot 2 1.62829
735 Lot 2 1.36251
736 Lot 2 1.33094
737 Lot 2 1.55609
738 Lot 2 1.33021
739 Lot 2 1.48687
740 Lot 2 1.39493
741 Lot 2 1.52113
742 Lot 2 1.52397
743 Lot 2 1.00937
744 Lot 2 1.29215
745 Lot 2 1.42786
746 Lot 2 1.41809
747 Lot 2 1.61111
748 Lot 2 1.52887
749 Lot 2 1.32184
750 Lot 2 1.61972
751 Lot 2 1.23627
752 Lot 2 1.39387
753 Lot 2 1.61852
754 Lot 2 1.53792
755 Lot 2 1.46759
756 Lot 2 1.52640
757 Lot 2 1.56763
758 Lot 2 1.52088
759 Lot 2 1.45015
760 Lot 2 1.24149
761 Lot 2 1.50208
762 Lot 2 1.47015
763 Lot 2 1.45432
764 Lot 2 1.77834
765 Lot 2 1.63856
766 Lot 2 1.42169
767 Lot 2 1.32376
768 Lot 2 1.63391
769 Lot 2 1.39325
770 Lot 2 1.72380
771 Lot 2 1.54790
772 Lot 2 1.45768
773 Lot 2 1.32716
774 Lot 2 1.37573
775 Lot 2 1.39244
776 Lot 2 1.52063
777 Lot 2 1.51445
778 Lot 2 1.59107
779 Lot 2 1.48473
780 Lot 2 1.20472
781 Lot 2 1.16401
782 Lot 2 1.41484
783 Lot 2 1.55454
784 Lot 2 1.34961
785 Lot 2 1.66510
786 Lot 2 1.40634
787 Lot 2 1.46409
788 Lot 2 1.25743
789 Lot 2 1.43833
790 Lot 2 1.42760
791 Lot 2 1.71957
792 Lot 2 1.61184
793 Lot 2 1.63072
794 Lot 2 1.54718
795 Lot 2 1.45513
796 Lot 2 1.63686
797 Lot 2 1.38180
798 Lot 2 1.57006
799 Lot 2 1.37843
800 Lot 2 1.67382
801 Lot 2 1.43103
802 Lot 2 1.30835
803 Lot 2 1.64154
804 Lot 2 1.44140
805 Lot 2 1.33580
806 Lot 2 1.09593
807 Lot 2 1.24077
808 Lot 2 1.45304
809 Lot 2 1.61270
810 Lot 2 1.55860
811 Lot 2 1.36415
812 Lot 2 1.52350
813 Lot 2 1.43309
814 Lot 2 1.63299
815 Lot 2 1.28368
816 Lot 2 1.49338
817 Lot 2 1.31346
818 Lot 2 1.30865
819 Lot 2 1.65851
820 Lot 2 1.70701
821 Lot 2 1.48047
822 Lot 2 1.51725
823 Lot 2 1.65449
824 Lot 2 1.59358
825 Lot 2 1.55675
826 Lot 2 1.41275
827 Lot 2 1.45033
828 Lot 2 1.28325
829 Lot 2 1.30644
830 Lot 2 1.57454
831 Lot 2 1.55369
832 Lot 2 1.42407
833 Lot 2 1.37259
834 Lot 2 1.53697
835 Lot 2 1.45393
836 Lot 2 1.48936
837 Lot 2 1.52773
838 Lot 2 1.60130
839 Lot 2 1.35470
840 Lot 2 1.66643
841 Lot 2 1.47163
842 Lot 2 1.42790
843 Lot 2 1.58815
844 Lot 2 1.56431
845 Lot 2 1.40448
846 Lot 2 1.55292
847 Lot 2 1.34133
848 Lot 2 1.45676
849 Lot 2 1.36231
850 Lot 2 1.56449
851 Lot 2 1.46608
852 Lot 2 1.62492
853 Lot 2 1.31140
854 Lot 2 1.56976
855 Lot 2 1.46419
856 Lot 2 1.44885
857 Lot 2 1.39514
858 Lot 2 1.46187
859 Lot 2 1.37966
860 Lot 2 1.55513
861 Lot 2 1.17741
862 Lot 2 1.61359
863 Lot 2 1.47488
864 Lot 2 1.45336
865 Lot 2 1.45136
866 Lot 2 1.37233
867 Lot 2 1.45759
868 Lot 2 1.61259
869 Lot 2 1.55266
870 Lot 2 1.43994
871 Lot 2 1.22339
872 Lot 2 1.79732
873 Lot 2 1.61525
874 Lot 2 1.48528
875 Lot 2 1.49657
876 Lot 2 1.44674
877 Lot 2 1.45677
878 Lot 2 1.44845
879 Lot 2 1.59821
880 Lot 2 1.60446
881 Lot 2 1.46961
882 Lot 2 1.55370
883 Lot 2 1.70478
884 Lot 2 1.44140
885 Lot 2 1.46037
886 Lot 2 1.36754
887 Lot 2 1.30677
888 Lot 2 1.52161
889 Lot 2 1.60725
890 Lot 2 1.43852
891 Lot 2 1.66089
892 Lot 2 1.63517
893 Lot 2 1.47391
894 Lot 2 1.40687
895 Lot 2 1.39367
896 Lot 2 1.51964
897 Lot 2 1.47369
898 Lot 2 1.41530
899 Lot 2 1.50512
900 Lot 2 1.78236
901 Lot 2 1.27624
902 Lot 2 1.17777
903 Lot 2 1.68548
904 Lot 2 1.48111
905 Lot 2 1.81923
906 Lot 2 1.61345
907 Lot 2 1.63498
908 Lot 2 1.29088
909 Lot 2 1.58176
910 Lot 2 1.32086
911 Lot 2 1.44865
912 Lot 2 1.63069
913 Lot 2 1.65280
914 Lot 2 1.39127
915 Lot 2 1.44854
916 Lot 2 1.27377
917 Lot 2 1.18443
918 Lot 2 1.24800
919 Lot 2 1.45834
920 Lot 2 1.61849
921 Lot 2 1.30137
922 Lot 2 1.54326
923 Lot 2 1.67289
924 Lot 2 1.43097
925 Lot 2 1.39117
926 Lot 3 2.04266
927 Lot 3 2.07960
928 Lot 3 2.16395
929 Lot 3 1.79549
930 Lot 3 2.15640
931 Lot 3 1.86307
932 Lot 3 1.95628
933 Lot 3 2.07610
934 Lot 3 2.07416
935 Lot 3 2.28429
936 Lot 3 2.00682
937 Lot 3 2.24903
938 Lot 3 1.92413
939 Lot 3 1.88491
940 Lot 3 2.16160
941 Lot 3 1.96278
942 Lot 3 1.91233
943 Lot 3 2.08217
944 Lot 3 2.22482
945 Lot 3 2.03489
946 Lot 3 1.97437
947 Lot 3 2.07715
948 Lot 3 2.27395
949 Lot 3 1.94277
950 Lot 3 1.97253
951 Lot 3 1.88442
952 Lot 3 2.01456
953 Lot 3 1.74219
954 Lot 3 2.05303
955 Lot 3 1.85021
956 Lot 3 1.72481
957 Lot 3 2.16791
958 Lot 3 2.08421
959 Lot 3 2.14498
960 Lot 3 2.02017
961 Lot 3 2.00161
962 Lot 3 2.04126
963 Lot 3 2.12188
964 Lot 3 1.85126
965 Lot 3 2.00424
966 Lot 3 2.05069
967 Lot 3 2.03057
968 Lot 3 2.01860
969 Lot 3 1.87873
970 Lot 3 1.82393
971 Lot 3 2.15672
972 Lot 3 1.91205
973 Lot 3 2.02670
974 Lot 3 1.99349
975 Lot 3 1.97362
976 Lot 3 2.03783
977 Lot 3 1.72683
978 Lot 3 2.17071
979 Lot 3 1.94813
980 Lot 3 1.82908
981 Lot 3 1.80623
982 Lot 3 1.98269
983 Lot 3 2.04678
984 Lot 3 2.09196
985 Lot 3 2.07484
986 Lot 3 1.94882
987 Lot 3 1.81773
988 Lot 3 1.98002
989 Lot 3 2.07046
990 Lot 3 1.93806
991 Lot 3 1.91534
992 Lot 3 1.82352
993 Lot 3 2.21132
994 Lot 3 2.02926
995 Lot 3 1.91346
996 Lot 3 1.87191
997 Lot 3 1.86816
998 Lot 3 2.10903
999 Lot 3 2.26794
1000 Lot 3 2.09454
1001 Lot 3 2.04791
1002 Lot 3 2.29149
1003 Lot 3 2.10219
1004 Lot 3 2.08209
1005 Lot 3 1.92614
1006 Lot 3 1.80999
1007 Lot 3 2.02712
1008 Lot 3 2.17076
1009 Lot 3 1.74012
1010 Lot 3 1.79254
1011 Lot 3 2.14412
1012 Lot 3 1.84990
1013 Lot 3 2.34948
1014 Lot 3 1.83349
1015 Lot 3 2.08549
1016 Lot 3 2.13565
1017 Lot 3 2.29370
1018 Lot 3 2.06554
1019 Lot 3 2.22324
1020 Lot 3 1.98854
1021 Lot 3 2.20574
1022 Lot 3 2.19813
1023 Lot 3 1.85383
1024 Lot 3 2.00600
1025 Lot 3 1.84439
1026 Lot 3 1.86879
1027 Lot 3 1.82902
1028 Lot 3 1.87557
1029 Lot 3 1.82747
1030 Lot 3 2.00520
1031 Lot 3 1.74956
1032 Lot 3 1.93267
1033 Lot 3 1.88265
1034 Lot 3 2.09015
1035 Lot 3 2.05661
1036 Lot 3 2.01283
1037 Lot 3 2.17999
1038 Lot 3 2.08991
1039 Lot 3 1.85977
1040 Lot 3 2.09413
1041 Lot 3 1.81553
1042 Lot 3 2.00106
1043 Lot 3 2.13495
1044 Lot 3 1.79832
1045 Lot 3 2.12211
1046 Lot 3 2.10057
1047 Lot 3 2.03579
1048 Lot 3 2.05735
1049 Lot 3 2.11621
1050 Lot 3 1.81230
1051 Lot 3 1.93250
1052 Lot 3 2.27886
1053 Lot 3 2.21472
1054 Lot 3 1.92129
1055 Lot 3 2.43461
1056 Lot 3 1.83919
1057 Lot 3 2.05633
1058 Lot 3 1.94348
1059 Lot 3 2.03158
1060 Lot 3 2.02605
1061 Lot 3 1.98769
1062 Lot 3 2.04835
1063 Lot 3 1.89022
1064 Lot 3 2.07261
1065 Lot 3 1.90845
1066 Lot 3 1.92419
1067 Lot 3 1.91193
1068 Lot 3 2.14609
1069 Lot 3 2.00147
1070 Lot 3 2.04194
1071 Lot 3 2.17043
1072 Lot 3 2.30613
1073 Lot 3 1.90129
1074 Lot 3 1.90972
1075 Lot 3 2.14349
1076 Lot 3 2.09952
1077 Lot 3 2.01137
1078 Lot 3 1.93490
1079 Lot 3 2.13189
1080 Lot 3 2.09105
1081 Lot 3 2.02507
1082 Lot 3 2.05630
1083 Lot 3 2.17262
1084 Lot 3 2.04542
1085 Lot 3 2.20673
1086 Lot 3 2.16543
1087 Lot 3 1.98721
1088 Lot 3 1.91953
1089 Lot 3 2.09476
1090 Lot 3 1.91292
1091 Lot 3 1.73330
1092 Lot 3 1.99272
1093 Lot 3 2.15314
1094 Lot 3 1.93338
1095 Lot 3 1.95603
1096 Lot 3 2.00773
1097 Lot 3 2.27006
1098 Lot 3 1.94997
1099 Lot 3 1.81357
1100 Lot 3 1.93330
1101 Lot 3 1.81967
1102 Lot 3 2.04415
1103 Lot 3 2.33827
1104 Lot 3 2.21068
1105 Lot 3 1.99011
1106 Lot 3 1.90984
1107 Lot 3 2.00705
1108 Lot 3 2.17589
1109 Lot 3 2.19985
1110 Lot 3 2.17166
1111 Lot 3 1.89119
1112 Lot 3 2.09630
1113 Lot 3 1.60722
1114 Lot 3 2.04216
1115 Lot 3 2.23812
1116 Lot 3 1.84898
1117 Lot 3 2.11749
1118 Lot 3 2.22721
1119 Lot 3 2.01137
1120 Lot 3 2.19244
1121 Lot 3 1.86209
1122 Lot 3 2.09919
1123 Lot 3 1.98120
1124 Lot 3 1.90303
1125 Lot 3 2.15117
1126 Lot 3 2.14839
1127 Lot 3 1.86236
1128 Lot 3 2.11459
1129 Lot 3 1.90807
1130 Lot 3 2.04670
1131 Lot 3 2.29291
1132 Lot 3 1.95729
1133 Lot 3 2.00755
1134 Lot 3 2.09608
1135 Lot 3 1.96898
1136 Lot 3 1.94999
1137 Lot 3 1.76128
1138 Lot 3 2.01990
1139 Lot 3 1.96063
1140 Lot 3 1.75357
1141 Lot 3 1.97765
1142 Lot 3 2.00927
1143 Lot 3 1.93078
1144 Lot 3 1.94478
1145 Lot 3 2.08202
1146 Lot 3 2.01952
1147 Lot 3 2.00505
1148 Lot 3 2.09173
1149 Lot 3 1.95537
1150 Lot 3 2.03200
1151 Lot 3 2.05684
1152 Lot 3 1.72144
1153 Lot 3 2.10320
1154 Lot 3 1.96737
1155 Lot 3 2.06146
1156 Lot 3 1.81416
1157 Lot 3 2.21583
1158 Lot 3 2.01167
1159 Lot 3 2.29375
1160 Lot 3 2.20723
1161 Lot 3 1.99232
1162 Lot 3 2.04028
1163 Lot 3 2.41460
1164 Lot 3 2.16190
1165 Lot 3 2.00234
1166 Lot 3 2.01448
1167 Lot 3 1.82413
1168 Lot 3 1.89349
1169 Lot 3 1.88715
1170 Lot 3 1.70038
1171 Lot 3 2.09219
1172 Lot 3 1.84821
1173 Lot 3 1.84076
1174 Lot 3 1.96689
1175 Lot 3 2.11278
1176 Lot 3 1.66253
1177 Lot 3 2.03011
1178 Lot 3 1.87907
1179 Lot 3 2.13133
1180 Lot 3 2.08584
1181 Lot 3 2.10619
1182 Lot 3 2.06970
1183 Lot 3 1.98759
1184 Lot 3 2.05885
1185 Lot 3 2.29365
1186 Lot 3 1.73999
1187 Lot 3 2.02307
1188 Lot 3 2.13992
1189 Lot 3 2.09643
1190 Lot 3 1.92930
1191 Lot 3 1.96045
1192 Lot 3 2.28519
1193 Lot 3 1.95831
1194 Lot 3 1.97006
1195 Lot 3 1.97058
1196 Lot 3 1.82884
1197 Lot 3 2.01931
1198 Lot 3 2.13335
1199 Lot 3 1.96838
1200 Lot 3 1.99496
1201 Lot 3 1.79985
1202 Lot 3 2.34848
1203 Lot 3 2.23196
1204 Lot 3 1.95762
1205 Lot 3 2.15828
1206 Lot 3 2.07509
1207 Lot 3 2.05993
1208 Lot 3 2.02818
1209 Lot 3 2.17559
1210 Lot 3 1.82686
1211 Lot 3 2.13377
1212 Lot 3 2.04830
1213 Lot 3 1.90278
1214 Lot 3 2.06882
1215 Lot 3 2.14537
1216 Lot 3 1.95554
1217 Lot 3 2.14669
1218 Lot 3 1.89255
1219 Lot 3 2.15088
1220 Lot 3 2.04184
1221 Lot 3 1.95165
1222 Lot 3 1.92780
1223 Lot 3 2.21661
1224 Lot 3 1.74088
1225 Lot 3 1.91107
Figure 3.1: Listing of the Data Set CHANNEL

The data set CHANNEL is also used in Example 4.5, where a kernel density estimate is superimposed on the histogram of channel lengths. The display in Output 4.5.2 reveals that there are three distinct peaks in the process distribution. To investigate whether these peaks (modes) in the histogram are related to the lot source, you can create a comparative histogram using LOT as a classification variable. The following statements create the comparative histogram shown in Figure 3.2:

   title "Comparative Analysis of Lot Source";
   proc capability data=channel noprint;
      specs lsl = 0.8  clsl = black  llsl = 2
            usl = 2.0  cusl = black  lusl = 3 ;
      comphist length / class      = lot
                        nrows      = 3
                        nlegend    = 'Lot Size'
                        nlegendpos = nw
                        cframe     = ligr
                        cfill      = red
                        cframeside = ligr;
      label lot = 'Transistor Source';
   run;
The COMPHISTOGRAM statement requests a comparative histogram for the process variable LENGTH. The CLASS= option requests a component histogram for each level (distinct value) of the classification variable LOT. The option NROWS=3 stacks the histograms three to a page. The NLEGEND= option adds a sample size legend to each component histogram, and the option NLEGENDPOS=NW positions each legend in the northwest corner. The SPEC statement provides the specification limits displayed as vertical reference lines. See "Dictionary of Options" for descriptions of these options, and see "Syntax for the SPEC Statement" for details of the SPEC statement.

capchgs2.gif (8404 bytes)

Figure 3.2: Comparison by Lot Source

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