> fact1_factanal(califm,factors=4)
> 
> 
> fact1
Sums of squares of loadings:
 Factor1 Factor2 Factor3 Factor4 
  5.5156  2.4867  2.1682 0.99317

The number of variables is 15 and the number of observations is 48 

Component names:
                                                                                                                      
 "loadings" "uniquenesses" "correlation" "criteria" "factors" "dof" "method" "center" "scale" "n.obs" "scores" "call"

Call:
factanal(x = califm, factors = 4)
> 
> 
> summary(fact1)
Importance of factors:
               Factor1 Factor2 Factor3  Factor4 
   SS loadings 5.51562 2.48667 2.16823 0.993166
Proportion Var 0.36771 0.16578 0.14455 0.066211
Cumulative Var 0.36771 0.53349 0.67804 0.744246

The degrees of freedom for the model is 51.

Uniquenesses:
 solicitud apariencia habilacad veracidad confianza lucidez honestidad  ventas experiencia  manejo ambicion solidez potencial     gana 
   0.45733    0.68588   0.51864   0.19878   0.12584 0.21483     0.2845 0.11758     0.32817 0.24707  0.13688 0.15268  0.092174 0.034737

 conveniente 
     0.24122

Loadings:
            Factor1 Factor2 Factor3 Factor4 
  solicitud  0.135   0.713                 
 apariencia  0.431   0.164   0.294   0.126 
  habilacad          0.133           0.677 
  veracidad  0.229   0.240   0.828         
  confianza  0.913           0.166         
    lucidez  0.835   0.117   0.271         
 honestidad  0.241  -0.216   0.781         
     ventas  0.904   0.232                 
experiencia          0.791           0.196 
     manejo  0.758   0.374   0.183         
   ambicion  0.903   0.183   0.101         
    solidez  0.792   0.270   0.342   0.176 
  potencial  0.730   0.352   0.440   0.242 
       gana  0.401   0.382   0.555  -0.592 
conveniente  0.364   0.784                 
> 
> 
> biplot(fact1)
> 
> 
> fact2_factanal(califm,factors=4,rotation="varimax")
> 
> 
> 
> 
> summary(fact2)
Importance of factors:
               Factor1 Factor2 Factor3  Factor4 
   SS loadings 5.51562 2.48667 2.16823 0.993166
Proportion Var 0.36771 0.16578 0.14455 0.066211
Cumulative Var 0.36771 0.53349 0.67804 0.744246

The degrees of freedom for the model is 51.

Uniquenesses:
 solicitud apariencia habilacad veracidad confianza lucidez 
   0.45733    0.68588   0.51864   0.19878   0.12584 0.21483

 honestidad  ventas experiencia  manejo ambicion solidez 
     0.2845 0.11758     0.32817 0.24707  0.13688 0.15268

 potencial     gana conveniente 
  0.092174 0.034737     0.24122

Loadings:
            Factor1 Factor2 Factor3 Factor4 
  solicitud  0.135   0.713                 
 apariencia  0.431   0.164   0.294   0.126 
  habilacad          0.133           0.677 
  veracidad  0.229   0.240   0.828         
  confianza  0.913           0.166         
    lucidez  0.835   0.117   0.271         
 honestidad  0.241  -0.216   0.781         
     ventas  0.904   0.232                 
experiencia          0.791           0.196 
     manejo  0.758   0.374   0.183         
   ambicion  0.903   0.183   0.101         
    solidez  0.792   0.270   0.342   0.176 
  potencial  0.730   0.352   0.440   0.242 
       gana  0.401   0.382   0.555  -0.592 
conveniente  0.364   0.784                 
Importance of factors:
               Factor1 Factor2 Factor3  Factor4 
   SS loadings 5.51562 2.48667 2.16823 0.993166
Proportion Var 0.36771 0.16578 0.14455 0.066211
Cumulative Var 0.36771 0.53349 0.67804 0.744246

The degrees of freedom for the model is 51.

Uniquenesses:
 solicitud apariencia habilacad veracidad confianza lucidez 
   0.45733    0.68588   0.51864   0.19878   0.12584 0.21483

 honestidad  ventas experiencia  manejo ambicion solidez 
     0.2845 0.11758     0.32817 0.24707  0.13688 0.15268

 potencial     gana conveniente 
  0.092174 0.034737     0.24122

Loadings:
            Factor1 Factor2 Factor3 Factor4 
  solicitud  0.135   0.713                 
 apariencia  0.431   0.164   0.294   0.126 
  habilacad          0.133           0.677 
  veracidad  0.229   0.240   0.828         
  confianza  0.913           0.166         
    lucidez  0.835   0.117   0.271         
 honestidad  0.241  -0.216   0.781         
     ventas  0.904   0.232                 
experiencia          0.791           0.196 
     manejo  0.758   0.374   0.183         
   ambicion  0.903   0.183   0.101         
    solidez  0.792   0.270   0.342   0.176 
  potencial  0.730   0.352   0.440   0.242 
       gana  0.401   0.382   0.555  -0.592 
conveniente  0.364   0.784                 
> biplot(fact2)
> 
> 
> fact3_factanal(califm,factors=4,method="mle")
> 
> summary(fact3)
Importance of factors:
               Factor1 Factor2 Factor3  Factor4 
   SS loadings 5.50754 2.48641 2.14723 1.023800
Proportion Var 0.36717 0.16576 0.14315 0.068253
Cumulative Var 0.36717 0.53293 0.67608 0.744332

The degrees of freedom for the model is 51.

Uniquenesses:
 solicitud apariencia habilacad veracidad confianza lucidez 
    0.4626    0.68586   0.51605   0.21014   0.11257 0.18675

 honestidad  ventas experiencia  manejo ambicion solidez 
    0.33023 0.12939     0.36087 0.21168  0.14178 0.14354

 potencial        gana conveniente 
  0.099145 9.3598e-006     0.24441

Loadings:
            Factor1 Factor2 Factor3 Factor4 
  solicitud  0.127   0.706   0.115         
 apariencia  0.453   0.145   0.243   0.170 
  habilacad          0.130           0.679 
  veracidad  0.227   0.235   0.825         
  confianza  0.921           0.150         
    lucidez  0.842   0.110   0.289         
 honestidad  0.247  -0.211   0.750         
     ventas  0.894   0.245                 
experiencia          0.775           0.169 
     manejo  0.759   0.407   0.188  -0.106 
   ambicion  0.898   0.188   0.107         
    solidez  0.785   0.272   0.358   0.193 
  potencial  0.722   0.361   0.444   0.228 
       gana  0.393   0.391   0.585  -0.592 
conveniente  0.360   0.780           0.125 
Importance of factors:
               Factor1 Factor2 Factor3  Factor4 
   SS loadings 5.50754 2.48641 2.14723 1.023800
Proportion Var 0.36717 0.16576 0.14315 0.068253
Cumulative Var 0.36717 0.53293 0.67608 0.744332

The degrees of freedom for the model is 51.

Uniquenesses:
 solicitud apariencia habilacad veracidad confianza lucidez 
    0.4626    0.68586   0.51605   0.21014   0.11257 0.18675

 honestidad  ventas experiencia  manejo ambicion solidez 
    0.33023 0.12939     0.36087 0.21168  0.14178 0.14354

 potencial        gana conveniente 
  0.099145 9.3598e-006     0.24441

Loadings:
            Factor1 Factor2 Factor3 Factor4 
  solicitud  0.127   0.706   0.115         
 apariencia  0.453   0.145   0.243   0.170 
  habilacad          0.130           0.679 
  veracidad  0.227   0.235   0.825         
  confianza  0.921           0.150         
    lucidez  0.842   0.110   0.289         
 honestidad  0.247  -0.211   0.750         
     ventas  0.894   0.245                 
experiencia          0.775           0.169 
     manejo  0.759   0.407   0.188  -0.106 
   ambicion  0.898   0.188   0.107         
    solidez  0.785   0.272   0.358   0.193 
  potencial  0.722   0.361   0.444   0.228 
       gana  0.393   0.391   0.585  -0.592