PROGRAM ISDTPCM CLUSPAC FOR CLUSTERING MULTIVARIATE DATA USING DISTANCE IN THE METRIC OF THE COVARIANCE MATRIX DEVELOPED AND PROGRAMMED BY DR. STANLEY L. SCLOVE VERSION 5.4 19-SEP-91 PREVIOUS UPDATE: VERSION 5.3 15-MAR-88 COPYRIGHT (C) 1991 STANLEY L. SCLOVE. ALL RIGHTS RESERVED. .................................................................... CMS DSN = IQ DAT; X's: Language IQ; Nonlanguage IQ N = 23 NUMBER OF VARIABLES = 2 MINIMUM FOR EACH VARIABLE: 80.0 80.0 MAXIMUM FOR EACH VARIABLE: 119.0 124.0 K = 3 CLUSTERS INITIAL MEANS 90.0 90.0 110.0 110.0 100.0 120.0 CLUSTERING: CASES AND LABELS:-- 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 3 14 3 15 2 16 1 17 3 18 2 19 2 20 2 21 2 22 2 23 2 COMMON COVARIANCE MATRIX (MLE): 37.03615 23.81796 23.81796 42.21500 DET = 996.18582 IDET = 0 ACTUAL DET. = DET*10**IDET INVERSE COVARIANCE MATRIX: 0.04238 -0.02391 -0.02391 0.03718 MINUS 2 LOG LIKELIHOOD = 289.33276 ITERATION 1 MEAN VECTOR FOR CLUSTER 1: 90.23077 92.53846 MEAN VECTOR FOR CLUSTER 2: 109.14286 107.57143 MEAN VECTOR FOR CLUSTER 3: 102.33333 117.00000 CLUSTERING: CASES AND LABELS:-- 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 3 14 3 15 2 16 2 17 3 18 2 19 2 20 2 21 3 22 2 23 2 COMMON COVARIANCE MATRIX (MLE): 34.52640 26.27640 26.27640 41.68944 DET = 748.93715 IDET = 0 ACTUAL DET. = DET*10**IDET INVERSE COVARIANCE MATRIX: 0.05566 -0.03508 -0.03508 0.04610 MINUS 2 LOG LIKELIHOOD = 282.77124 ITERATION 2 MEAN VECTOR FOR CLUSTER 1: 89.25000 92.50000 MEAN VECTOR FOR CLUSTER 2: 107.85714 103.85714 MEAN VECTOR FOR CLUSTER 3: 104.50000 117.50000 CLUSTERING: CASES AND LABELS:-- 1 1 2 1 3 1 4 1 5 1 6 1 7 1 8 1 9 1 10 1 11 1 12 1 13 3 14 3 15 2 16 2 17 3 18 2 19 2 20 2 21 3 22 2 23 2 COMMON COVARIANCE MATRIX (MLE): 34.52640 26.27640 26.27640 41.68944 DET = 748.93715 IDET = 0 ACTUAL DET. = DET*10**IDET INVERSE COVARIANCE MATRIX: 0.05566 -0.03508 -0.03508 0.04610 MINUS 2 LOG LIKELIHOOD = 282.77124 ITERATION 3 MEAN VECTOR FOR CLUSTER 1: 89.25000 92.50000 MEAN VECTOR FOR CLUSTER 2: 107.85714 103.85714 MEAN VECTOR FOR CLUSTER 3: 104.50000 117.50000 CONVERGENCE: NO CASE CHANGED CLUSTERS AFTER ITERATION 3. RESULTS ARE PRINTED BELOW. NUMBERS: 12 7 4 COMMON COVARIANCE MATRIX (UNBIASED ESTIMATE): 39.70535 30.21785 30.21785 47.94286 CASE, LABEL / DATA 1 1 80.0 93.0 2 1 82.0 91.0 3 1 84.0 80.0 4 1 86.0 94.0 5 1 86.0 92.0 6 1 89.0 94.0 7 1 90.0 87.0 8 1 94.0 87.0 9 1 94.0 93.0 10 1 95.0 97.0 11 1 95.0 100.0 12 1 96.0 102.0 13 3 99.0 117.0 14 3 99.0 110.0 15 2 102.0 104.0 16 2 102.0 93.0 17 3 109.0 124.0 18 2 104.0 103.0 19 2 105.0 96.0 20 2 105.0 100.0 21 3 111.0 119.0 22 2 118.0 115.0 23 2 119.0 116.0 NUMBER OF PARAMETERS = 9 AIC = 300.77124 SCHWARZ CRITERION = 310.99048 PROGRAM ENDED NORMALLY.