Acquire an understanding of the concepts surrounding 'collinearity'. Appreciate the indications and symptoms of collinearity in multivariable regression. Become aware of the available diagnostic tools ...

Explore how covariance reveals relationships between variables, its role in financial planning, and its application in the stock market for better investment strategies.

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Many complex disease traits are observed to be associated with single nucleotide polymorphism (SNP) interactions. In testing small-scale SNP–SNP interactions, variable selection procedures in logistic ...

Time-dependent variables can be used to model the effects of subjects transferring from one treatment group to another. One example of the need for such strategies is the Stanford heart transplant ...

So you’ve collected your data and have a nice, clean dataset. Before you start your analyses, you need to get to know your data. Inspect each variable and decide to which data type they belong. From ...

Statistical packages have been used for decades to analyze large datasets or to perform mathematically intractable statistical methods. These packages are not capable of working with random variables ...

When learning a natural concept, students develop a cognitive model or prototype. The accuracy of this prototype determines the classification performance. Generally, in an instruction the student is ...