The repeated measures ANOVA – using a mixed effects model
These studies use repeated measurements on a subject. Typically, they are used to assess the change over time, or the same observation under different conditions. In this recipe, the results of a blind wine tasting are studied. Three types of wine are tested by three judges; a third factor is included for the type of glass the wine is being tested in. The score is accumulated across several responses and the maximum score is 40.
We will stack the data first before using the general linear model to study the effect of Judge, Wine, and Glass type on the score. The Judge factor can be considered a random factor in the design. Wine and Glass become our fixed factors.
We will use a decision level ...
Get Minitab Cookbook now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
