Here we map one dimension to position along an axis, and the other dimension to rectangle size at that position.
Systolic Blood Pressure(SBP) Hematocrit (HCT)
7048
7044
11849
5035
13033
14251
8041
8634
6036
15049
6435
6049
041
8037
047
6034
9062
11039
12033
3034
This data set was obtained from Glyphs -- Getting the Picture.