Dear All, 
   
  I wonder if there is any  implemented statistical test in R to test the  equality between many correlations. As an example, let X1, X2, X3 X4 be four random  variables.  let 
  Phi(X1,X2) , Phi(X1,X3) and Phi(X1,X4) be the corresponding correlations.  
  How to test Phi(X1,X2) = Phi(X1,X3) = P(X1,X4)?
   
  Many thanks in advance,
   
  Bernard
   
   
   
   

 		
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