Conditional variance
Variance of a random variable given value of other variables / From Wikipedia, the free encyclopedia
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In probability theory and statistics, a conditional variance is the variance of a random variable given the value(s) of one or more other variables. Particularly in econometrics, the conditional variance is also known as the scedastic function or skedastic function.[1] Conditional variances are important parts of autoregressive conditional heteroskedasticity (ARCH) models.