An equation is a mathematical statement showing that two expressions are equal. The two expressions are linked with an equals symbol (=). The unknown variable (often the letter \(x\)) can take any ...

What are the underlying principles of how populations change over time? Two basic principles are involved, the idea of exponential growth and its ultimate control. The basics of population ecology ...

Microsoft Excel is a great Office application from Microsoft and it does not need any introduction. It helps every one of us, in many ways by making our tasks simpler. In this post we will see how to ...

This is a preview. Log in through your library . Abstract Weighted survey data with missing data for some covariates presents a substantial challenge for analysis. We addressed this problem by using a ...