Variables “centering” is a procedure that researches ignore quite often working with empirical data. But what is it? Why can it be very important? Let’s look at a trivial example:… Read More »“Centering” the variables: what it means and what it is used for
The Hazard ratio (HR) is one of the measures that in clinical research are most often difficult to interpret for students and researchers. In this post we will try to… Read More »How to interpret the value of ‘Hazard Ratio” in practice?
The difference between a regression analysis and analysis of variance (ANOVA) is one of the most frequent dilemmas among students and researchers. In this post we try to understand what… Read More »What is the difference between ANOVA and regression (and which one to choose)