Christer Thrane (christer.thrane@inn.no)Multinomial logistic regression: the ultimate teaching challenge?8 min read·6 days ago----
Christer Thrane (christer.thrane@inn.no)Ordinal logistic regression: the stepchild of statistics?Ordinal variables abound in the social and behavioral sciences. At one extreme, ordinal y-variables have three ranked categories, as in the…7 min read·Apr 28, 2024----
Christer Thrane (christer.thrane@inn.no)Tips for teaching logistic regression more effectively …I recently posted two “tips” on how to more successfully teach regression analysis to those not well versed in math (that also help the…6 min read·Apr 25, 2024----
Christer Thrane (christer.thrane@inn.no)Tips for teaching regression analysis part 2: interaction effectsThis post is a direct follow-up of “Tips for teaching regression analysis to those not well versed in math (that also help the…6 min read·Apr 18, 2024----
Christer Thrane (christer.thrane@inn.no)Tips for teaching regression analysis to those not well versed in math (that also help the…A long time ago, Seneca, a Roman philosopher, said that the best way to really learn something was to teach it. I agree (for what it’s…6 min read·Apr 12, 2024----
Christer Thrane (christer.thrane@inn.no)Multicollinearity non-technically explained and visualized: regression modeling of the price of…The multicollinearity problem is a recurrent topic in statistical research and data science, and textbooks abound with schematic…6 min read·Apr 11, 2024----
Christer Thrane (christer.thrane@inn.no)Exploratory data analysis (EDA) using the multivariable scatterplot smoother (MSS)The call for doing lots of exploratory data analysis (EDA) before turning to estimation and testing of variable associations has been made…4 min read·Apr 5, 2024----
Christer Thrane (christer.thrane@inn.no)The suppressor effect: An easy-to-miss threat to regression analysisMany regression projects in research and data science start by regressing y on x1. The aim of such an endeavor is to find a substantively…5 min read·Apr 3, 2024----
Christer Thrane (christer.thrane@inn.no)OLS, median, and quantile regression: modelling tourism expendituresOLS regression analysis is the working horse of statistical modelling in research and data science. In this post, I am going to present…5 min read·Mar 6, 2024----
Christer Thrane (christer.thrane@inn.no)Will joining a fitness center make students exercise more? A regression and confounding storyIn my last post, I made the case for when a simple statistical technique — bivariate linear regression — was very appropriate for…4 min read·Mar 5, 2024----