An observation is to be classified into one of two multivariate normal distributions with equal covariance matrices. When the parameters are unknown, four methods of estimating the likelihood ratio, ...

Is the Log-Rank and Hazard Ratio Test/Estimation the Best Approach for Primary Analysis for All Trials? The following represents disclosure information provided by authors of this manuscript. All ...

The most commonly used indirect fertility estimation methods rely on the use of the P/F ratio, first proposed by Brass. In essence, the ratio compares cumulated cohort fertility with cumulated period ...

The only thing worse that having to pay expenses each month is not knowing how much you are going to have to write the check for. Being able to estimate business costs accurately can help you plan for ...