st: Covariance matrice.

[adiallo5@worldbank.org]

Hi,

I have an income variable grouped into 5 categories (Q1 Q2 Q3 Q4 Q5) ie from
poorest to
richest and I want to compute its covariance with the following vector:

        |   0.1    |
        |   0.3    |
        |   0.5    |
X =  |   0.7    |
        |  0.9     |

How to do that into stata?
I would appreciate any help.
Thanks.
Amadou.


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