9
How to
recognize patterns in data
•What
patterns matter for people – and how do we recognize them?
•Weight
and Height are easy to measure
•Knowing
how they are related gives insight into health
•A
given weight tends to go with a
given height
•Weight
either very high or very low compared to trend ARE important
•Plot
weight vs. height and look for deviations from simple line
•Example of cars from the book
–Note
“main sequence” of cars
–Weight
plotted backwards
•Just
make main sequence a line
which goes down rather than up
which goes down rather than up
–Points
off main sequence are
“unusual” cars
“unusual” cars
From our text: Horizons, by Seeds