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covariance |
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covariance [kō′ver·ē·əns] (statistics) A measurement of the tendency of two random variables,XandY, to vary together, given by the expected value of the variable (X-X[OB])(Y-Y[OB]), whereX[OB] andY[OB] are the expected values of the variablesXandYrespectively. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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10] HIV viral load in relation to malaria clearance, persistence, absence, or new infection using a repeated measures model with autoregressive covariance structure. A 2-way analysis of covariance (ANCOVA) was performed with time period (pre- or post-course) and CE attendance (attendee or nonattendee) as the independent variables and change in NDI scores as the dependent variable. On the Covariance Structure of Changes in Consumption in the Health and Retirement Study Michael Perry MRRC Working Paper No. |
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