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   y vs. x
Dataset
Name:
Eckerle4

Procedure: Nonlinear Least Squares Regression
Certification Method & Definitions

Data: 1 Response Variable (y)
1 Predictor Variable (x)
35 Observations
Higher Level of Difficulty
Observed Data
Data file (ASCII Format)
Additional Information

Model: Exponential Class
3 Parameters (beta(1) to beta(3) to beta(1) to beta(3))
Starting Values

y = f(x;beta) + e = (beta(1)) / (beta(2))exp[(-(x - beta(3)^2) / (2beta(2)^2)] + e

Results: Certified Values
Graphics

Reference: Eckerle, K., NIST (1979).
Circular Interference Transmittance Study.