December 10, 2002
5
Step 2a: Analyze PEMS; r-correlation
Actual
NO
x
Predicted
NO
x
Actual
NO
x
Predicted
NO
x
Actual
NO
x
Predicted
NO
x
Actual
NO
x
Predicted
NO
x
R correlation is the measure of accuracy of the model.
R2 of 1.00 is a straight line (perfect)