The SAS System 03:31 Wednesday, February 28, 2001 1 OBS METHOD NODES DEPTH QTIME HITS SEARCHED 1 index 11889 0 0.86 1 . 2 index 87054 0 2.86 1 . 3 index 162219 0 4.97 2 . 4 index 1428078 0 25.33 19 1428078 5 index 1503240 0 26.11 20 1503240 6 index 1578402 0 29.08 21 1578402 7 index 1653564 0 28.29 22 1653564 8 index 1728726 0 28.75 23 1728726 9 index 1803888 0 29.05 24 1803888 10 index 1879050 0 29.03 25 1879050 11 index 1954212 0 29.54 26 1954212 12 index 2029374 0 31.72 27 2029374 13 index 11889 1 0.53 1 . 14 index 87054 1 0.52 1 . 15 index 162219 1 0.53 2 . 16 index 1428078 1 1.05 19 108 17 index 1503240 1 1.10 20 108 18 index 1578402 1 2.05 21 108 19 index 1653564 1 1.60 22 108 20 index 1728726 1 1.25 23 108 21 index 1803888 1 1.84 24 108 22 index 1879050 1 1.33 25 108 23 index 1954212 1 1.74 26 108 24 index 2029374 1 1.77 27 108 25 index 11889 2 0.61 1 . 26 index 87054 2 0.53 1 . 27 index 162219 2 0.50 2 . 28 index 1428078 2 0.71 19 108 29 index 1503240 2 0.67 20 108 30 index 1578402 2 1.14 21 108 31 index 1653564 2 0.73 22 108 32 index 1728726 2 0.73 23 108 33 index 1803888 2 0.74 24 108 34 index 1879050 2 0.78 25 108 35 index 1954212 2 0.76 26 108 36 index 2029374 2 0.78 27 108 37 index 11889 3 0.54 1 . 38 index 87054 3 0.50 1 . 39 index 162219 3 0.54 2 . 40 index 1428078 3 0.76 19 27 41 index 1503240 3 0.80 20 27 42 index 1578402 3 1.20 21 27 43 index 1653564 3 0.73 22 27 44 index 1728726 3 0.71 23 27 45 index 1803888 3 0.73 24 27 46 index 1879050 3 0.77 25 27 47 index 1954212 3 0.73 26 27 48 index 2029374 3 0.78 27 27 49 index 11889 4 0.52 1 . 50 index 87054 4 0.58 1 . 51 index 162219 4 0.51 2 . 52 index 1428078 4 0.74 19 189 53 index 1503240 4 0.74 20 189 54 index 1578402 4 1.34 21 189 55 index 1653564 4 0.79 22 189 56 index 1728726 4 0.78 23 189 The SAS System 03:31 Wednesday, February 28, 2001 2 OBS METHOD NODES DEPTH QTIME HITS SEARCHED 57 index 1803888 4 0.83 24 189 58 index 1879050 4 0.89 25 189 59 index 1954212 4 0.79 26 189 60 index 2029374 4 0.91 27 189 61 index 11889 5 0.63 1 . 62 index 87054 5 0.68 1 . 63 index 162219 5 0.86 2 . 64 index 1428078 5 35.08 19 25083 65 index 1503240 5 35.21 20 25083 66 index 1578402 5 61.27 21 25083 67 index 1653564 5 37.39 22 25083 68 index 1728726 5 40.52 23 25083 69 index 1803888 5 43.68 24 25083 70 index 1879050 5 43.87 25 25083 71 index 1954212 5 46.22 26 25083 72 index 2029374 5 47.39 27 25083 73 index 11889 6 0.60 1 . 74 index 87054 6 0.51 1 . 75 index 162219 6 0.54 2 . 76 index 1428078 6 2.46 19 594 77 index 1503240 6 2.68 20 594 78 index 1578402 6 3.12 21 594 79 index 1653564 6 2.71 22 594 80 index 1728726 6 2.95 23 594 81 index 1803888 6 3.09 24 594 82 index 1879050 6 3.18 25 594 83 index 1954212 6 3.20 26 594 84 index 2029374 6 3.43 27 594 85 nested 11889 0 0.73 1 . 86 nested 87054 0 2.82 1 . 87 nested 162219 0 5.02 2 . 88 nested 1428078 0 8.40 19 1428078 89 nested 1503240 0 8.17 20 1503240 90 nested 1578402 0 8.57 21 1578402 91 nested 1653564 0 7.50 22 1653564 92 nested 1728726 0 7.75 23 1728726 93 nested 1803888 0 8.29 24 1803888 94 nested 1879050 0 9.17 25 1879050 95 nested 1954212 0 22.48 26 1954212 96 nested 2029374 0 28.67 27 2029374 97 nested 11889 1 0.56 1 . 98 nested 87054 1 0.49 1 . 99 nested 162219 1 0.53 2 . 100 nested 1428078 1 0.70 19 108 101 nested 1503240 1 0.77 20 108 102 nested 1578402 1 1.31 21 108 103 nested 1653564 1 0.73 22 108 104 nested 1728726 1 0.68 23 108 105 nested 1803888 1 0.74 24 108 106 nested 1879050 1 0.79 25 108 107 nested 1954212 1 0.72 26 108 108 nested 2029374 1 0.81 27 108 109 nested 11889 2 0.62 1 . 110 nested 87054 2 0.53 1 . 111 nested 162219 2 0.50 2 . 112 nested 1428078 2 0.65 19 108 The SAS System 03:31 Wednesday, February 28, 2001 3 OBS METHOD NODES DEPTH QTIME HITS SEARCHED 113 nested 1503240 2 0.92 20 108 114 nested 1578402 2 1.30 21 108 115 nested 1653564 2 0.79 22 108 116 nested 1728726 2 0.70 23 108 117 nested 1803888 2 0.80 24 108 118 nested 1879050 2 0.80 25 108 119 nested 1954212 2 0.78 26 108 120 nested 2029374 2 0.83 27 108 121 nested 11889 3 0.61 1 . 122 nested 87054 3 0.50 1 . 123 nested 162219 3 0.51 2 . 124 nested 1428078 3 0.68 19 27 125 nested 1503240 3 0.84 20 27 126 nested 1578402 3 1.17 21 27 127 nested 1653564 3 0.70 22 27 128 nested 1728726 3 0.70 23 27 129 nested 1803888 3 0.69 24 27 130 nested 1879050 3 0.74 25 27 131 nested 1954212 3 0.75 26 27 132 nested 2029374 3 0.72 27 27 133 nested 11889 4 0.59 1 . 134 nested 87054 4 0.53 1 . 135 nested 162219 4 0.51 2 . 136 nested 1428078 4 0.73 19 189 137 nested 1503240 4 0.85 20 189 138 nested 1578402 4 1.28 21 189 139 nested 1653564 4 0.85 22 189 140 nested 1728726 4 0.78 23 189 141 nested 1803888 4 0.77 24 189 142 nested 1879050 4 0.80 25 189 143 nested 1954212 4 0.82 26 189 144 nested 2029374 4 0.83 27 189 145 nested 11889 5 0.83 1 . 146 nested 87054 5 0.65 1 . 147 nested 162219 5 0.87 2 . 148 nested 1428078 5 7.77 19 25083 149 nested 1503240 5 8.36 20 25083 150 nested 1578402 5 12.09 21 25083 151 nested 1653564 5 8.47 22 25083 152 nested 1728726 5 8.70 23 25083 153 nested 1803888 5 8.84 24 25083 154 nested 1879050 5 8.96 25 25083 155 nested 1954212 5 9.71 26 25083 156 nested 2029374 5 10.84 27 25083 157 nested 11889 6 0.86 1 . 158 nested 87054 6 0.50 1 . 159 nested 162219 6 0.53 2 . 160 nested 1428078 6 0.74 19 594 161 nested 1503240 6 0.88 20 594 162 nested 1578402 6 1.22 21 594 163 nested 1653564 6 0.81 22 594 164 nested 1728726 6 0.81 23 594 165 nested 1803888 6 0.94 24 594 166 nested 1879050 6 0.84 25 594 167 nested 1954212 6 0.93 26 594 168 nested 2029374 6 0.86 27 594 The SAS System 03:31 Wednesday, February 28, 2001 4 General Linear Models Procedure Class Level Information Class Levels Values METHOD 2 index nested Number of observations in data set = 168 NOTE: Due to missing values, only 126 observations can be used in this analysis. The SAS System 03:31 Wednesday, February 28, 2001 5 General Linear Models Procedure Dependent Variable: QTIME Sum of Mean Source DF Squares Square F Value Pr > F Model 4 7401.184408 1850.296102 16.99 0.0001 Error 121 13174.988939 108.884206 Corrected Total 125 20576.173347 R-Square C.V. Root MSE QTIME Mean 0.359697 139.8062 10.43476 7.463730 Source DF Type I SS Mean Square F Value Pr > F METHOD 1 1827.428750 1827.428750 16.78 0.0001 NODES 1 64.037530 64.037530 0.59 0.4446 DEPTH 1 14.490896 14.490896 0.13 0.7159 SEARCHED 1 5495.227232 5495.227232 50.47 0.0001 Source DF Type III SS Mean Square F Value Pr > F METHOD 1 1827.428750 1827.428750 16.78 0.0001 NODES 1 14.064335 14.064335 0.13 0.7199 DEPTH 1 1741.699812 1741.699812 16.00 0.0001 SEARCHED 1 5495.227232 5495.227232 50.47 0.0001 The SAS System 03:31 Wednesday, February 28, 2001 6 Plot of QTIME*DEPTH. Legend: A = 1 obs, B = 2 obs, etc. QTIME | 60.97 + A | | | 55.93 + | | | 50.89 + | | | A 45.85 + A | | B | 40.81 + A | | | A 35.77 + A | A | | A 30.73 + | D | C | 25.69 + B | | | A 20.65 + | | | 15.61 + | | | A 10.57 + A | A D | F C | 5.53 + B | | B I | H B B B A 0.49 + B P V V V F N ---+----------+----------+----------+----------+----------+----------+-- 0 1 2 3 4 5 6 DEPTH The SAS System 03:31 Wednesday, February 28, 2001 7 Plot of QTIME*NODES. Legend: A = 1 obs, B = 2 obs, etc. QTIME | 60.97 + A | | | 55.93 + | | | 50.89 + | | | A 45.85 + A | | A A | 40.81 + A | | | A 35.77 + A | A | | A 30.73 + | A A A A | A A A | 25.69 + A A | | | A 20.65 + | | | 15.61 + | | | A 10.57 + A | A A B A | B B A B A A | 5.53 + B | | B A A A A A A A A A | I A A A A A A 0.49 +N L L I I H H H H H H -+-------------+-------------+-------------+-------------+-------------+ 0 500000 1000000 1500000 2000000 2500000 NODES The SAS System 03:31 Wednesday, February 28, 2001 8 Plot of QTIME*SEARCHED. Legend: A = 1 obs, B = 2 obs, etc. QTIME | 60.97 + A | | | 55.93 + | | | 50.89 + | | | A 45.85 + A | | B | 40.81 + A | | | A 35.77 + A | A | | A 30.73 + | A A A A | A A A | 25.69 + A A | | | A 20.65 + | | | 15.61 + | | | A 10.57 + A | D A | C A A A A A A | 5.53 + | |I |O 0.49 +Z -+-------------+-------------+-------------+-------------+-------------+ 0 500000 1000000 1500000 2000000 2500000 SEARCHED NOTE: 42 obs had missing values. 40 obs hidden.