In probability theory and statistics, variance is the expected value of the squared deviation from the mean of a random variable. The standard deviation...

In statistics and machine learning, the bias–variance tradeoff describes the relationship between a model's complexity, the accuracy of its predictions...

all its random variables have the same finite variance; this is also known as homogeneity of variance. The complementary notion is called heteroscedasticity...

Look up variance in Wiktionary, the free dictionary. In probability theory and statistics, variance measures how far a set of numbers are spread out....

The Allan variance (AVAR), also known as two-sample variance, is a measure of frequency stability in clocks, oscillators and amplifiers. It is named after...

Analysis of variance (ANOVA) is a collection of statistical models and their associated estimation procedures (such as the "variation" among and between...

population, data set, or probability distribution is the square root of its variance. It is algebraically simpler, though in practice less robust, than the...

variance σ i 2 {\displaystyle \sigma _{i}^{2}} , all having the same mean, one possible choice for the weights is given by the reciprocal of variance:...

theory, the law of total variance or variance decomposition formula or conditional variance formulas or law of iterated variances also known as Eve's law...

matrix (also known as auto-covariance matrix, dispersion matrix, variance matrix, or variance–covariance matrix) is a square matrix giving the covariance between...