Hi I want to know if it's possible maintain the name of my stocks in the var-cov matrix. If I have a matrix as dataset, for example:
IBM JPM C p11 p12 p13 p21 p22 p23 ...........pn1 pn2 pn3
it's not possible calculate the var-cov matrix untill I transform my dataset in matrix, but lossing my string (ibm ecc ecc).
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