https://github.com/lmfit/lmfit-py
Revision d7b408baa64821f4356cff9c32a199bc53becd93 authored by Matt Newville on 29 August 2019, 17:07:38 UTC, committed by GitHub on 29 August 2019, 17:07:38 UTC
Nan policy message
Tip revision: d7b408baa64821f4356cff9c32a199bc53becd93 authored by Matt Newville on 29 August 2019, 17:07:38 UTC
Merge pull request #586 from reneeotten/nan_policy_message
Merge pull request #586 from reneeotten/nan_policy_message
Tip revision: d7b408b
Gauss3.dat
NIST/ITL StRD
Dataset Name: Gauss3 (Gauss3.dat)
File Format: ASCII
Starting Values (lines 41 to 48)
Certified Values (lines 41 to 53)
Data (lines 61 to 310)
Procedure: Nonlinear Least Squares Regression
Description: The data are two strongly-blended Gaussians on a
decaying exponential baseline plus normally
distributed zero-mean noise with variance = 6.25.
Reference: Rust, B., NIST (1996).
Data: 1 Response (y)
1 Predictor (x)
250 Observations
Average Level of Difficulty
Generated Data
Model: Exponential Class
8 Parameters (b1 to b8)
y = b1*exp( -b2*x ) + b3*exp( -(x-b4)**2 / b5**2 )
+ b6*exp( -(x-b7)**2 / b8**2 ) + e
Starting values Certified Values
Start 1 Start 2 Parameter Standard Deviation
b1 = 94.9 96.0 9.8940368970E+01 5.3005192833E-01
b2 = 0.009 0.0096 1.0945879335E-02 1.2554058911E-04
b3 = 90.1 80.0 1.0069553078E+02 8.1256587317E-01
b4 = 113.0 110.0 1.1163619459E+02 3.5317859757E-01
b5 = 20.0 25.0 2.3300500029E+01 3.6584783023E-01
b6 = 73.8 74.0 7.3705031418E+01 1.2091239082E+00
b7 = 140.0 139.0 1.4776164251E+02 4.0488183351E-01
b8 = 20.0 25.0 1.9668221230E+01 3.7806634336E-01
Residual Sum of Squares: 1.2444846360E+03
Residual Standard Deviation: 2.2677077625E+00
Degrees of Freedom: 242
Number of Observations: 250
Data: y x
97.58776 1.000000
97.76344 2.000000
96.56705 3.000000
92.52037 4.000000
91.15097 5.000000
95.21728 6.000000
90.21355 7.000000
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91.51479 9.000000
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86.56187 11.00000
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76.75438 24.00000
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71.92128 30.00000
66.91962 31.00000
67.93554 32.00000
69.55841 33.00000
69.06592 34.00000
66.53371 35.00000
63.87094 36.00000
69.70526 37.00000
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Computing file changes ...
