A regression equation with a zillion dummy variables in it is hard to read and has little generalizable business value. For example, instead of having a factor “city” with many different levels/values ...

Regression Equation . Now that we know how the relative relationship between the two variables is calculated, we can develop a regression equation to forecast or predict the variable we desire.

You cannot exclude some and include others, since altogether they represent a single real variable. Instead, you want to test the null hypothesis “H 0: The qualitative variable does not "belong" in ...

It is an output of regression analysis and can be used as a prediction tool for indicators and price movements. In finance, the line of best fit is used to identify trends or correlations in ...