In this paper, a local 𝑀-estimation for the conditional variance function in heteroscedastic regression models under stationary α-mixing dependent samples is developed. The local 𝑀-estimator is ...

We propose a new combined semiparametric estimator, which incorporates the parametric and nonparametric estimators of the conditional variance in a multiplicative way. We derive the asymptotic bias, ...

Conditional formatting highlights key information in a spreadsheet so it’s easy to see at a glance. This beginner’s guide gets you started. Spreadsheets usually hold a wealth of information, but it ...

Understanding Excel’s conditional formatting rules can help prevent unintended results Your email has been sent Avoid frustration and unintended formatting by learning how Excel applies conditional ...