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2004 State Estimates of Substance Use
(from the 2003-2004 National Surveys on Drug Use & Health)

bulletNational data      bulletState level data       bulletMetropolitan and other subState area data

Appendix A Equation - The covariance between the logarithm of Theta 1 hat and the logarithm of Theta 2 hat is equal to the correlation between the logarithm of Theta 1 hat and the logarithm of Theta 2 hat multiplied by the square root of the product of the variance of the logarithm of Theta 1 hat and variance of the logarithm of Theta 2 hat.

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This page was last updated on June 03, 2008.

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