Constructs a barplot with corresponding density plot for the mean
mobility value for all water within each cluster with at least 50% water
conservation. Clusters with 50 to 69% water conseration are dark red,
clusters with 70 to 79% conservation are red, 80 to 89% conservation are
light blue, 90 to 99% conservation are blue, and 100% conservation (waters
from all structures) are dark blue.
The mobility values are calculated by the Mobility()
function.
This plot was inspired by Figure 1 of Sanschagrin and Kuhn (1998).