Systematic sampling, the classical approach to the estimation of areas by point-counting techniques, is compared to stratified random sampling and to systematic sampling with multiple random starts.

If the effects are fixed, the models are essentially regression models with dummy variables corresponding to the specified effects. For fixed effects models, ordinary least squares (OLS) estimation is ...

In statistics, data collection is a difficult process that demands thoughtful consideration. Securing a sufficient sample size can be challenging, or even impossible, regardless of the method employed ...

The estimating software development cost remains a complex problem, one that continues to attract a considerable amount of research attention. Improving the accuracy of the cost estimation models ...