A mean profile plot is used to visualize the evolution of a variable measured over time. In a previous, we used a dataset of blood glucose over time as an example. We created a dummy dataset consisting of two groups of 25 diabetic patients with their blood glucose measured consecutively for 10 days. To plot…
Longitudinal data is data collected repeatedly from the same subjects or objects over a period of time. The data collection times may or may not be fixed. For example, if you collect the fasting blood glucose from two groups of 25 diabetic patients (50 patients in total) every morning for 10 days, you will get…
A line graph or line plot is a type of graph typically used to visualize longitudinal data. Assume we had a longitudinal dataset consisting of the fasting blood glucose from two groups of 25 diabetic patients collected every morning for 10 days. One group is on a special program to improve their lifestyle and hence…