Research is the backbone of society's progress. Without it, there would be no new drugs, tech, etc. Basically, every trace of human progress could grind to a halt. However, research is only as good as ...

Quantitative variables take the form of numerical figures. Qualitative variables describe data by placing them into broad categories. For example, the number of units that your business sells over a ...

A two-valued qualitative variable can be represented by a single 0-or-1-valued "dummy" variable. If a qualitative variable has three or more possible values (e.g., make-of-car, or marital-status), ...

A human craving for simplicity is hindering retail’s optimization of artificial intelligence (AI) and machine learning (ML) across supply and demand planning. Retailers are overlooking qualitative ...