Factorial Ecology for Nadia Formigoni 16:39 Sunday, November 11, 2007 42 Only tracts with above average student populations The FACTOR Procedure Initial Factor Method: Principal Components Prior Communality Estimates: ONE Eigenvalues of the Correlation Matrix: Total = 14 Average = 1 Eigenvalue Difference Proportion Cumulative 1 4.39282940 1.52680388 0.3138 0.3138 2 2.86602552 0.94976793 0.2047 0.5185 3 1.91625759 0.85943513 0.1369 0.6554 4 1.05682246 0.13968349 0.0755 0.7309 5 0.91713898 0.22233169 0.0655 0.7964 6 0.69480728 0.08461795 0.0496 0.8460 7 0.61018934 0.06592818 0.0436 0.8896 8 0.54426115 0.17833984 0.0389 0.9285 9 0.36592132 0.13601549 0.0261 0.9546 10 0.22990583 0.09078338 0.0164 0.9710 11 0.13912245 0.01626208 0.0099 0.9809 12 0.12286038 0.04615284 0.0088 0.9897 13 0.07670754 0.00955677 0.0055 0.9952 14 0.06715077 0.0048 1.0000 Final Communality Estimates: Total = 10.231935 p_24 mover1 mover5 ftstudnt ptstudnt xxstudnt hrnt rcost lico inc10 emp15 une15 crowd nonfam 0.48960494 0.80361994 0.72260148 0.88150862 0.60951858 0.69889127 0.83089859 0.41318740 0.86899160 0.84852638 0.66160610 0.77568226 0.78641483 0.84088299 Rotated Factor Pattern Factor1 Factor2 Factor3 Factor4 p_24 population share 20-24 0.57065 0.22761 0.30084 0.14715 mover1 share of total pop 1 year movers 0.88729 -0.03592 0.01443 -0.12184 mover5 share of total pop 5 year movers 0.78173 -0.02986 0.08196 -0.32233 ftstudnt share of 15-24 in full time school -0.02697 0.93002 -0.12074 0.03549 ptstudnt share of 15-24 in part time school 0.03702 -0.76033 0.16216 0.06120 xxstudnt 15-24 students as share of tot pop -0.08881 0.79954 0.21869 0.06259 hrnt rental rate 0.89982 -0.06691 0.09335 0.08958 rcost renters paying >30% for rent 0.29398 0.28863 0.26884 0.41374 lico total incidence of low income 0.72044 0.15688 0.55940 0.11145 inc10 persons <10k as share of all with income 0.27724 0.21650 0.85123 0.01407 emp15 empl rate among 15-24 years -0.22912 -0.73501 -0.20048 -0.16932 une15 unemp rate among 15-24 yrs -0.12018 0.00170 -0.16572 0.85660 crowd 6+ person hhs as share of all priv hhs -0.21633 -0.26438 0.79435 -0.19679 nonfam nonfam hhs as share of all priv hhs 0.83972 -0.00601 -0.32529 0.17291 Variance Explained by Each Factor Factor1 Factor2 Factor3 Factor4 4.0448709 2.9057515 2.1091039 1.1722087 Final Communality Estimates: Total = 10.231935 p_24 mover1 mover5 ftstudnt ptstudnt xxstudnt hrnt rcost lico inc10 emp15 une15 crowd nonfam 0.48960494 0.80361994 0.72260148 0.88150862 0.60951858 0.69889127 0.83089859 0.41318740 0.86899160 0.84852638 0.66160610 0.77568226 0.78641483 0.84088299