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Dataset
Name:
ENSO

Procedure: Nonlinear Least Squares Regression
Certification Method & Definitions

Data: 1 Response Variable (y)
1 Predictor Variable (x)
168 Observations
Average Level of Difficulty
Observed Data
Model: y = f(x;beta) + e = beta(1) + beta(2) cos[2 pi x / 12] + beta(3) sin[2 pi x / 12] beta(5) cos[2 pi x / beta(4)] + beta(6) sin[2 pi x / beta(4)] beta(8) cos[2 pi x / beta(7)] + beta(9) sin[2 pi x / beta(7)] + e


Fitted and Observed Values
versus
Predictor Variable

Fitted and Observed Values vs. Predictor Variable 		Residuals
versus
Predictor Variable

Residuals vs. Variables