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Thread: SAS CanCorr procedure

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    SAS CanCorr procedure



    I'm running the CANCORR procedure in SAS and I keep getting a warning:
    "Note: The correlation matrix for the WITH Variables is less than full rank. Therefore, some canonical correlations and coefficients will be zero."
    and indeed the final canonical correlation is zero.

    However, I can't see that the correlation matrix I entered has less than full rank. Matlab tells me it has full rank, and I can't see any rows or columns that are linear combinations of others. The correlation matrix is below, and the WITH variables are the final four.

    Does anyone know what might be going on here?



    Code: 
    n		.	138		138		138		138		138		138		138		138		138
    CORR	x1	1 . . . . . . . .
    CORR	x2	0.754	1 . . . . . . .	
    CORR	x3	-0.69	-0.712	1 . . . . . .	
    CORR	x4	-0.446	-0.515	0.323	1 . . . . .	
    CORR	x5	0.692	0.412	-0.444	-0.334	1 . . . .	
    CORR	x6	-0.605	-0.722	0.737	0.527	-0.383	1 . . .	
    CORR	x7	-0.479	-0.419	0.361	0.461	-0.505	0.251	1 . . 	
    CORR	x8	0.78	0.542	-0.546	-0.393	0.737	-0.49	-0.434	1 .	
    CORR	x9	-0.152	-0.102	0.172	-0.019	-0.148	0.25	-0.79	-1.63

  2. #2
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    Re: SAS CanCorr procedure


    Apologize if this seems idiotic, but have you Google searched that exact phrase online? The phase was in this book when I searched, not sure where your issue is.

    http://books.google.com/books?id=Fjk...20zero&f=false

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