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The SAS System                          03:31 Wednesday, February 28, 2001   1
2

    
3
OBS    METHOD     NODES     DEPTH    QTIME    HITS    SEARCHED
4

    
5
  1    index       11889      0       0.86      1            .
6
  2    index       87054      0       2.86      1            .
7
  3    index      162219      0       4.97      2            .
8
  4    index     1428078      0      25.33     19      1428078
9
  5    index     1503240      0      26.11     20      1503240
10
  6    index     1578402      0      29.08     21      1578402
11
  7    index     1653564      0      28.29     22      1653564
12
  8    index     1728726      0      28.75     23      1728726
13
  9    index     1803888      0      29.05     24      1803888
14
 10    index     1879050      0      29.03     25      1879050
15
 11    index     1954212      0      29.54     26      1954212
16
 12    index     2029374      0      31.72     27      2029374
17
 13    index       11889      1       0.53      1            .
18
 14    index       87054      1       0.52      1            .
19
 15    index      162219      1       0.53      2            .
20
 16    index     1428078      1       1.05     19          108
21
 17    index     1503240      1       1.10     20          108
22
 18    index     1578402      1       2.05     21          108
23
 19    index     1653564      1       1.60     22          108
24
 20    index     1728726      1       1.25     23          108
25
 21    index     1803888      1       1.84     24          108
26
 22    index     1879050      1       1.33     25          108
27
 23    index     1954212      1       1.74     26          108
28
 24    index     2029374      1       1.77     27          108
29
 25    index       11889      2       0.61      1            .
30
 26    index       87054      2       0.53      1            .
31
 27    index      162219      2       0.50      2            .
32
 28    index     1428078      2       0.71     19          108
33
 29    index     1503240      2       0.67     20          108
34
 30    index     1578402      2       1.14     21          108
35
 31    index     1653564      2       0.73     22          108
36
 32    index     1728726      2       0.73     23          108
37
 33    index     1803888      2       0.74     24          108
38
 34    index     1879050      2       0.78     25          108
39
 35    index     1954212      2       0.76     26          108
40
 36    index     2029374      2       0.78     27          108
41
 37    index       11889      3       0.54      1            .
42
 38    index       87054      3       0.50      1            .
43
 39    index      162219      3       0.54      2            .
44
 40    index     1428078      3       0.76     19           27
45
 41    index     1503240      3       0.80     20           27
46
 42    index     1578402      3       1.20     21           27
47
 43    index     1653564      3       0.73     22           27
48
 44    index     1728726      3       0.71     23           27
49
 45    index     1803888      3       0.73     24           27
50
 46    index     1879050      3       0.77     25           27
51
 47    index     1954212      3       0.73     26           27
52
 48    index     2029374      3       0.78     27           27
53
 49    index       11889      4       0.52      1            .
54
 50    index       87054      4       0.58      1            .
55
 51    index      162219      4       0.51      2            .
56
 52    index     1428078      4       0.74     19          189
57
 53    index     1503240      4       0.74     20          189
58
 54    index     1578402      4       1.34     21          189
59
 55    index     1653564      4       0.79     22          189
60
 56    index     1728726      4       0.78     23          189
61
The SAS System                          03:31 Wednesday, February 28, 2001   2
62

    
63
OBS    METHOD     NODES     DEPTH    QTIME    HITS    SEARCHED
64

    
65
 57    index     1803888      4       0.83     24          189
66
 58    index     1879050      4       0.89     25          189
67
 59    index     1954212      4       0.79     26          189
68
 60    index     2029374      4       0.91     27          189
69
 61    index       11889      5       0.63      1            .
70
 62    index       87054      5       0.68      1            .
71
 63    index      162219      5       0.86      2            .
72
 64    index     1428078      5      35.08     19        25083
73
 65    index     1503240      5      35.21     20        25083
74
 66    index     1578402      5      61.27     21        25083
75
 67    index     1653564      5      37.39     22        25083
76
 68    index     1728726      5      40.52     23        25083
77
 69    index     1803888      5      43.68     24        25083
78
 70    index     1879050      5      43.87     25        25083
79
 71    index     1954212      5      46.22     26        25083
80
 72    index     2029374      5      47.39     27        25083
81
 73    index       11889      6       0.60      1            .
82
 74    index       87054      6       0.51      1            .
83
 75    index      162219      6       0.54      2            .
84
 76    index     1428078      6       2.46     19          594
85
 77    index     1503240      6       2.68     20          594
86
 78    index     1578402      6       3.12     21          594
87
 79    index     1653564      6       2.71     22          594
88
 80    index     1728726      6       2.95     23          594
89
 81    index     1803888      6       3.09     24          594
90
 82    index     1879050      6       3.18     25          594
91
 83    index     1954212      6       3.20     26          594
92
 84    index     2029374      6       3.43     27          594
93
 85    nested      11889      0       0.73      1            .
94
 86    nested      87054      0       2.82      1            .
95
 87    nested     162219      0       5.02      2            .
96
 88    nested    1428078      0       8.40     19      1428078
97
 89    nested    1503240      0       8.17     20      1503240
98
 90    nested    1578402      0       8.57     21      1578402
99
 91    nested    1653564      0       7.50     22      1653564
100
 92    nested    1728726      0       7.75     23      1728726
101
 93    nested    1803888      0       8.29     24      1803888
102
 94    nested    1879050      0       9.17     25      1879050
103
 95    nested    1954212      0      22.48     26      1954212
104
 96    nested    2029374      0      28.67     27      2029374
105
 97    nested      11889      1       0.56      1            .
106
 98    nested      87054      1       0.49      1            .
107
 99    nested     162219      1       0.53      2            .
108
100    nested    1428078      1       0.70     19          108
109
101    nested    1503240      1       0.77     20          108
110
102    nested    1578402      1       1.31     21          108
111
103    nested    1653564      1       0.73     22          108
112
104    nested    1728726      1       0.68     23          108
113
105    nested    1803888      1       0.74     24          108
114
106    nested    1879050      1       0.79     25          108
115
107    nested    1954212      1       0.72     26          108
116
108    nested    2029374      1       0.81     27          108
117
109    nested      11889      2       0.62      1            .
118
110    nested      87054      2       0.53      1            .
119
111    nested     162219      2       0.50      2            .
120
112    nested    1428078      2       0.65     19          108
121
The SAS System                          03:31 Wednesday, February 28, 2001   3
122

    
123
OBS    METHOD     NODES     DEPTH    QTIME    HITS    SEARCHED
124

    
125
113    nested    1503240      2       0.92     20         108 
126
114    nested    1578402      2       1.30     21         108 
127
115    nested    1653564      2       0.79     22         108 
128
116    nested    1728726      2       0.70     23         108 
129
117    nested    1803888      2       0.80     24         108 
130
118    nested    1879050      2       0.80     25         108 
131
119    nested    1954212      2       0.78     26         108 
132
120    nested    2029374      2       0.83     27         108 
133
121    nested      11889      3       0.61      1           . 
134
122    nested      87054      3       0.50      1           . 
135
123    nested     162219      3       0.51      2           . 
136
124    nested    1428078      3       0.68     19          27 
137
125    nested    1503240      3       0.84     20          27 
138
126    nested    1578402      3       1.17     21          27 
139
127    nested    1653564      3       0.70     22          27 
140
128    nested    1728726      3       0.70     23          27 
141
129    nested    1803888      3       0.69     24          27 
142
130    nested    1879050      3       0.74     25          27 
143
131    nested    1954212      3       0.75     26          27 
144
132    nested    2029374      3       0.72     27          27 
145
133    nested      11889      4       0.59      1           . 
146
134    nested      87054      4       0.53      1           . 
147
135    nested     162219      4       0.51      2           . 
148
136    nested    1428078      4       0.73     19         189 
149
137    nested    1503240      4       0.85     20         189 
150
138    nested    1578402      4       1.28     21         189 
151
139    nested    1653564      4       0.85     22         189 
152
140    nested    1728726      4       0.78     23         189 
153
141    nested    1803888      4       0.77     24         189 
154
142    nested    1879050      4       0.80     25         189 
155
143    nested    1954212      4       0.82     26         189 
156
144    nested    2029374      4       0.83     27         189 
157
145    nested      11889      5       0.83      1           . 
158
146    nested      87054      5       0.65      1           . 
159
147    nested     162219      5       0.87      2           . 
160
148    nested    1428078      5       7.77     19       25083 
161
149    nested    1503240      5       8.36     20       25083 
162
150    nested    1578402      5      12.09     21       25083 
163
151    nested    1653564      5       8.47     22       25083 
164
152    nested    1728726      5       8.70     23       25083 
165
153    nested    1803888      5       8.84     24       25083 
166
154    nested    1879050      5       8.96     25       25083 
167
155    nested    1954212      5       9.71     26       25083 
168
156    nested    2029374      5      10.84     27       25083 
169
157    nested      11889      6       0.86      1           . 
170
158    nested      87054      6       0.50      1           . 
171
159    nested     162219      6       0.53      2           . 
172
160    nested    1428078      6       0.74     19         594 
173
161    nested    1503240      6       0.88     20         594 
174
162    nested    1578402      6       1.22     21         594 
175
163    nested    1653564      6       0.81     22         594 
176
164    nested    1728726      6       0.81     23         594 
177
165    nested    1803888      6       0.94     24         594 
178
166    nested    1879050      6       0.84     25         594 
179
167    nested    1954212      6       0.93     26         594 
180
168    nested    2029374      6       0.86     27         594 
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The SAS System                          03:31 Wednesday, February 28, 2001   4
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183
General Linear Models Procedure
184
Class Level Information
185

    
186
Class    Levels    Values
187

    
188
METHOD        2    index nested
189

    
190

    
191
Number of observations in data set = 168
192

    
193

    
194
NOTE: Due to missing values, only 126 observations can be used in this 
195
      analysis.
196

    
197
The SAS System                          03:31 Wednesday, February 28, 2001   5
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General Linear Models Procedure
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Dependent Variable: QTIME   
202
                                    Sum of           Mean
203
Source                  DF         Squares         Square   F Value     Pr > F
204

    
205
Model                    4     7401.184408    1850.296102     16.99     0.0001
206

    
207
Error                  121    13174.988939     108.884206
208

    
209
Corrected Total        125    20576.173347
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211
                  R-Square            C.V.       Root MSE           QTIME Mean
212

    
213
                  0.359697        139.8062       10.43476             7.463730
214

    
215

    
216
Source                  DF       Type I SS    Mean Square   F Value     Pr > F
217

    
218
METHOD                   1     1827.428750    1827.428750     16.78     0.0001
219
NODES                    1       64.037530      64.037530      0.59     0.4446
220
DEPTH                    1       14.490896      14.490896      0.13     0.7159
221
SEARCHED                 1     5495.227232    5495.227232     50.47     0.0001
222

    
223
Source                  DF     Type III SS    Mean Square   F Value     Pr > F
224

    
225
METHOD                   1     1827.428750    1827.428750     16.78     0.0001
226
NODES                    1       14.064335      14.064335      0.13     0.7199
227
DEPTH                    1     1741.699812    1741.699812     16.00     0.0001
228
SEARCHED                 1     5495.227232    5495.227232     50.47     0.0001
229

    
230

    
231

    
232
The SAS System                          03:31 Wednesday, February 28, 2001   6
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234
           Plot of QTIME*DEPTH.  Legend: A = 1 obs, B = 2 obs, etc.
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236
QTIME |
237
60.97 +                                                         A
238
      |
239
      |
240
      |
241
55.93 +
242
      |
243
      |
244
      |
245
50.89 +
246
      |
247
      |
248
      |                                                         A
249
45.85 +                                                         A
250
      |
251
      |                                                         B
252
      |
253
40.81 +                                                         A
254
      |
255
      |
256
      |                                                         A
257
35.77 +                                                         A
258
      |                                                         A
259
      |
260
      |  A
261
30.73 +
262
      |  D
263
      |  C
264
      |
265
25.69 +  B
266
      |
267
      |
268
      |  A
269
20.65 +
270
      |
271
      |
272
      |
273
15.61 +
274
      |
275
      |
276
      |                                                         A
277
10.57 +                                                         A
278
      |  A                                                      D
279
      |  F                                                      C
280
      |
281
 5.53 +  B
282
      |
283
      |  B                                                                 I
284
      |             H          B          B          B                     A
285
 0.49 +  B          P          V          V          V          F          N
286
      ---+----------+----------+----------+----------+----------+----------+--
287
         0          1          2          3          4          5          6
288

    
289
                                        DEPTH
290

    
291
                                                                              
292
The SAS System                          03:31 Wednesday, February 28, 2001   7
293

    
294
           Plot of QTIME*NODES.  Legend: A = 1 obs, B = 2 obs, etc.
295

    
296
QTIME |
297
60.97 +                                            A
298
      |
299
      |
300
      |
301
55.93 +
302
      |
303
      |
304
      |
305
50.89 +
306
      |
307
      |
308
      |                                                         A
309
45.85 +                                                       A
310
      |
311
      |                                                   A A
312
      |
313
40.81 +                                                A
314
      |
315
      |
316
      |                                              A
317
35.77 +                                          A
318
      |                                        A
319
      |
320
      |                                                         A
321
30.73 +
322
      |                                            A      A A A
323
      |                                              A A        A
324
      |
325
25.69 +                                        A A
326
      |
327
      |
328
      |                                                       A
329
20.65 +
330
      |
331
      |
332
      |
333
15.61 +
334
      |
335
      |
336
      |                                            A
337
10.57 +                                                         A
338
      |                                                A  A B A
339
      |                                        B B A B A  A
340
      |
341
 5.53 +     B
342
      |
343
      |  B                                     A A A A A  A A A A
344
      |                                            I A A  A A A A
345
 0.49 +N L  L                                  I I   H H  H H H H
346
      -+-------------+-------------+-------------+-------------+-------------+
347
       0          500000        1000000       1500000       2000000    2500000
348

    
349
                                        NODES
350

    
351
                                                                              
352
The SAS System                          03:31 Wednesday, February 28, 2001   8
353

    
354
         Plot of QTIME*SEARCHED.  Legend: A = 1 obs, B = 2 obs, etc.
355

    
356
QTIME |
357
60.97 + A
358
      |
359
      |
360
      |
361
55.93 +
362
      |
363
      |
364
      |
365
50.89 +
366
      |
367
      |
368
      | A
369
45.85 + A
370
      |
371
      | B
372
      |
373
40.81 + A
374
      |
375
      |
376
      | A
377
35.77 + A
378
      | A
379
      |
380
      |                                                         A
381
30.73 +
382
      |                                            A      A A A
383
      |                                              A A        A
384
      |
385
25.69 +                                        A A
386
      |
387
      |
388
      |                                                       A
389
20.65 +
390
      |
391
      |
392
      |
393
15.61 +
394
      |
395
      |
396
      | A
397
10.57 + A
398
      | D                                                   A
399
      | C                                      A A A A A  A
400
      |
401
 5.53 +
402
      |
403
      |I
404
      |O
405
 0.49 +Z
406
      -+-------------+-------------+-------------+-------------+-------------+
407
       0          500000        1000000       1500000       2000000    2500000
408

    
409
                                      SEARCHED
410

    
411
NOTE: 42 obs had missing values.  40 obs hidden.
(2-2/3)