R unclass()的用法

unclass(fa.promax$loadings)

                 PA1         PA2
general  0.361972602  0.48562024
picture -0.038577935  0.63543895
blocks  -0.123007913  0.97788941
maze    -0.007045422  0.45364121
reading  1.011391916 -0.10670970
vocab    0.841701164 -0.02294638

fa.promax$loadings
Loadings:
        PA1    PA2   
general  0.362  0.486
picture         0.635
blocks  -0.123  0.978
maze            0.454
reading  1.011 -0.107
vocab    0.842       

                 PA1   PA2
SS loadings    1.879 1.814
Proportion Var 0.313 0.302
Cumulative Var 0.313 0.615

unclass()可以消除对象的类

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