Sentence examples for constant variance from inspiring English sources

random variables with mean zero and a constant variance.

(We refer to such models as constant variance models).

The method is appropriate for target data with non constant variance (or volatility).

We performed non-response bias before checking assumptions such as constant variance and normality.

u i is the usual i.i.d, zero mean regression error with constant variance.

The usage statistics typically show a constant variance in its fluctuation with the course of time.

The error term is random and assumed to be constant variance and mean of zero.

They must have an expected value of zero and constant variance.

Under this structure, random errors are assumed to be uncorrelated and have constant variance (σ2).

In equation (7) the error term is assumed to have a constant variance,σ2; hence, homoscedastic.

The assumptions for linear regression analysis were verified (normality and constant variance among the residuals).