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Sameer Agarwalea117042012-08-29 18:18:48 -07001NIST/ITL StRD
2Dataset Name: Roszman1 (Roszman1.dat)
3
4File Format: ASCII
5 Starting Values (lines 41 to 44)
6 Certified Values (lines 41 to 49)
7 Data (lines 61 to 85)
8
9Procedure: Nonlinear Least Squares Regression
10
11Description: These data are the result of a NIST study involving
12 quantum defects in iodine atoms. The response
13 variable is the number of quantum defects, and the
14 predictor variable is the excited energy state.
15 The argument to the ARCTAN function is in radians.
16
Sameer Agarwalca0ff622012-09-01 14:41:44 -070017Reference: Roszman, L., NIST (19??).
Sameer Agarwalea117042012-08-29 18:18:48 -070018 Quantum Defects for Sulfur I Atom.
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25Data: 1 Response (y = quantum defect)
26 1 Predictor (x = excited state energy)
27 25 Observations
28 Average Level of Difficulty
29 Observed Data
30
31Model: Miscellaneous Class
32 4 Parameters (b1 to b4)
33
34 pi = 3.141592653589793238462643383279E0
35 y = b1 - b2*x - arctan[b3/(x-b4)]/pi + e
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38 Starting Values Certified Values
39
40 Start 1 Start 2 Parameter Standard Deviation
Sameer Agarwalca0ff622012-09-01 14:41:44 -070041 b1 = 0.1 0.2 1.20196866396E-0 1.9172666023E-02
Sameer Agarwalea117042012-08-29 18:18:48 -070042 b2 = -0.00001 -0.000005 -6.1953516256E-06 3.2058931691E-06
43 b3 = 1000 1200 1.2044556708E+03 7.4050983057E+01
44 b4 = -100 -150 -1.8134269537E+02 4.9573513849E+01
45
46Residual Sum of Squares: 4.9484847331E-04
47Residual Standard Deviation: 4.8542984060E-03
48Degrees of Freedom: 21
49Number of Observations: 25
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60Data: y x
61 0.252429 -4868.68
62 0.252141 -4868.09
63 0.251809 -4867.41
64 0.297989 -3375.19
65 0.296257 -3373.14
66 0.295319 -3372.03
67 0.339603 -2473.74
68 0.337731 -2472.35
69 0.333820 -2469.45
70 0.389510 -1894.65
71 0.386998 -1893.40
72 0.438864 -1497.24
73 0.434887 -1495.85
74 0.427893 -1493.41
75 0.471568 -1208.68
76 0.461699 -1206.18
77 0.461144 -1206.04
78 0.513532 -997.92
79 0.506641 -996.61
80 0.505062 -996.31
81 0.535648 -834.94
82 0.533726 -834.66
83 0.568064 -710.03
84 0.612886 -530.16
85 0.624169 -464.17