Recently, I showed how to use a heat map to visualize measurements over time for a set of patients in a longitudinal study. The visualization is sometimes called a lasagna plot because it presents an alternative to the usual spaghetti plot. A reader asked whether a similar visualization can be
Babeș-Bolyai University (UBB) is the largest and highest-ranked university in Romania. Its Faculty of Economics and Business Administration (FSEGA) is the largest faculty at any university in Romania. It is also the highest-ranked institution in the country for management and business and top-ranked for economics. The faculty was founded as
What is McNemar's test? How do you run the McNemar test in SAS? Why might other statistical software report a value for McNemar's test that is different from the SAS value? SAS supports an exact version of the McNemar test, but when should you use it? This article answers these
