Dimensions of old Swiss 1000-franc bank notes
Use this diagram to discuss the use of scatterplot matrices.
Features to mention are:
Click Use brush and drag over the crosses in the scatterplot on the bottom right (of margin dimensions) to check whether the clusters in that diagram have distinctive height measurements (in the scatterplot on the top left).
The data set contains four measurements that were made from each of 200 old Swiss 1000-franc bank notes. Two measurements describe the overall dimensions of the notes (the heights of the bills at their left and right edges) and two describe the printing within the bills (the heights of the margins at the top and bottom of the notes).