Instead, you want to test the null hypothesis “H 0: The qualitative variable does not "belong" in the model (i.e., all of the coefficients of the dummy variables are 0).” This can be done, via a ...

You gain the ability to test for different slopes or intercepts in the populations, and more degrees of freedom are available for the analysis. Regression with qualitative variables is different from ...

Indeed, many commercially-available regression-analysis packages contain specific features ... or the square of an existing variable. A two-valued qualitative variable can be represented by a single 0 ...

Subsets of explanatory variables can be chosen by various model-selection methods. Regression diagnostics can be displayed for the binary response model. The logit link function in the logistic ...

The objective of econometrics is to convert qualitative statements (such as ... between each explanatory variable and the dependent variable are clearly stated. At this stage of the analysis, applied ...