Principal components/correlation Number of obs = 4544
Number of comp. = 2
Trace = 6
Rotation: (unrotated = principal) Rho = 0.5929
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Component | Eigenvalue Difference Proportion Cumulative
-------------+------------------------------------------------------------
Comp1 | 2.16582 .77435 0.3610 0.3610
Comp2 | 1.39147 .394712 0.2319 0.5929
Comp3 | .996757 .248128 0.1661 0.7590
Comp4 | .748629 .265696 0.1248 0.8838
Comp5 | .482933 .26854 0.0805 0.9643
Comp6 | .214393 . 0.0357 1.0000
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Principal components (eigenvectors)
------------------------------------------------
Variable | Comp1 Comp2 | Unexplained
-------------+--------------------+-------------
dis | 0.5551 -0.1651 | .2948
sus | 0.3961 -0.3205 | .5173
mas | 0.5914 -0.2765 | .1362
pad | 0.3060 0.6248 | .2541
pap | 0.3026 0.6281 | .2526
masa | 0.0088 0.0932 | .9878
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主成分载荷分析 estat loading,cnorm(eigen)
Principal component loadings (unrotated)
component normalization: sum of squares(column) = eigenvalue
----------------------------------
| Comp1 Comp2
-------------+--------------------
dis | .8169 -.1947
sus | .5829 -.3781
mas | .8703 -.3261
pad | .4503 .737
pap | .4453 .741
masa | .0129 .1099
效果分析. estat kmo
Kaiser-Meyer-Olkin measure of sampling adequacy
-----------------------
Variable | kmo
-------------+---------
dis | 0.5473
sus | 0.5573
mas | 0.5295
pad | 0.5569
pap | 0.5562
masa | 0.7152
-------------+---------
Overall | 0.5448
-----------------------