News

R 2 is a statistical measure of the goodness of fit of a linear regression model (from 0.00 to 1.00), also known as the coefficient of determination. In general, the higher the R 2 , the better ...
Understanding this equation is crucial for interpreting the model’s predictions and making accurate forecasts. Learn Regression Analysis in Excel in Just 12 Minutes Watch this video on YouTube .
This shows how well our model predicts or forecasts the future sales, suggesting that the explanatory variables in the model predicted 68.7% of the variation in the dependent variable.
Beside the model, the other input into a regression analysis is some relevant sample data, consisting of the observed values of the dependent and explanatory variables for a sample of members of the ...
Duration: 12h. In this module, we will introduce generalized linear models (GLMs) through the study of binomial data. In particular, we will motivate the need for GLMs; introduce the binomial ...
This is done using multiple or multivariable logistic regression. As with multiple linear regression, the interpretation changes to the coefficient representing an estimate of the association between ...
This post will show how to estimate and interpret linear regression models with survey data using R. We’ll use data taken from a Pew Research Center 2016 post-election survey, and you can download the ...
What are standardized residuals? How do I calculate it? How do I use it and interpret it? What are its benefits? The answers to these questions and more can be found below. Overview: What Are ...