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Dataset Name: Misra1a (Misra1a.dat)
File Format: ASCII
Starting Values (lines 41 to 42)
Certified Values (lines 41 to 47)
Data (lines 61 to 74)
Procedure: Nonlinear Least Squares Regression
Description: These data are the result of a NIST study regarding
dental research in monomolecular adsorption. The
response variable is volume, and the predictor
variable is pressure.
Reference: Misra, D., NIST (1978).
Dental Research Monomolecular Adsorption Study.
Data: 1 Response Variable (y = volume)
1 Predictor Variable (x = pressure)
14 Observations
Lower Level of Difficulty
Observed Data
Model: Exponential Class
2 Parameters (b1 and b2)
y = b1*(1-exp[-b2*x]) + e
Starting values Certified Values
Start 1 Start 2 Parameter Standard Deviation
b1 = 500 250 2.3894212918E+02 2.7070075241E+00
b2 = 0.0001 0.0005 5.5015643181E-04 7.2668688436E-06
Residual Sum of Squares: 1.2455138894E-01
Residual Standard Deviation: 1.0187876330E-01
Degrees of Freedom: 12
Number of Observations: 14
Data: y x
10.07E0 77.6E0
14.73E0 114.9E0
17.94E0 141.1E0
23.93E0 190.8E0
29.61E0 239.9E0
35.18E0 289.0E0
40.02E0 332.8E0
44.82E0 378.4E0
50.76E0 434.8E0
55.05E0 477.3E0
61.01E0 536.8E0
66.40E0 593.1E0
75.47E0 689.1E0
81.78E0 760.0E0