[R] correlation matrix

Marcel Vieira mtolvieira at msn.com
Thu Aug 7 17:47:37 CEST 2003

Dear all,

I have T Y variables, Y1,...,YT, which are T repeated observations on a 
variable over the T waves of a survey.

I'd like to estimate a correlation matrix cor(Y1,...,YT) assuming specific 
structures, as for example exchangeable, stationary, autoregressive and 

Is there any command/package in R that I could use?

Thanks in advance.

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