Methods to determine the validity of regression models include comparison of model predictions and coefficients with theory, collection of new data to check model predictions, comparison of results ...

Standard chi-squared, X2, or likelihood ratio, G2, test statistics for logistic regression analysis, involving a binary response variable, are adjusted to take account of the survey design. These ...

The residual standard deviation describes the difference in standard deviations of observed values vs. predicted values in a regression analysis.

Regression analysis is a quantitative tool that is easy to use and can provide valuable information on financial analysis and forecasting.