275 lines
7.7 KiB
Plaintext
275 lines
7.7 KiB
Plaintext
NIST/ITL StRD
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Dataset Name: Chwirut1 (Chwirut1.dat)
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File Format: ASCII
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Starting Values (lines 41 to 43)
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Certified Values (lines 41 to 48)
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Data (lines 61 to 274)
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Procedure: Nonlinear Least Squares Regression
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Description: These data are the result of a NIST study involving
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ultrasonic calibration. The response variable is
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ultrasonic response, and the predictor variable is
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metal distance.
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Reference: Chwirut, D., NIST (197?).
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Ultrasonic Reference Block Study.
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Data: 1 Response Variable (y = ultrasonic response)
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1 Predictor Variable (x = metal distance)
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214 Observations
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Lower Level of Difficulty
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Observed Data
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Model: Exponential Class
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3 Parameters (b1 to b3)
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y = exp[-b1*x]/(b2+b3*x) + e
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Starting values Certified Values
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Start 1 Start 2 Parameter Standard Deviation
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b1 = 0.1 0.15 1.9027818370E-01 2.1938557035E-02
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b2 = 0.01 0.008 6.1314004477E-03 3.4500025051E-04
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b3 = 0.02 0.010 1.0530908399E-02 7.9281847748E-04
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Residual Sum of Squares: 2.3844771393E+03
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Residual Standard Deviation: 3.3616721320E+00
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Degrees of Freedom: 211
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Number of Observations: 214
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Data: y x
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92.9000E0 0.5000E0
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78.7000E0 0.6250E0
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64.2000E0 0.7500E0
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64.9000E0 0.8750E0
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57.1000E0 1.0000E0
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43.3000E0 1.2500E0
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31.1000E0 1.7500E0
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23.6000E0 2.2500E0
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31.0500E0 1.7500E0
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23.7750E0 2.2500E0
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17.7375E0 2.7500E0
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13.8000E0 3.2500E0
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11.5875E0 3.7500E0
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9.4125E0 4.2500E0
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7.7250E0 4.7500E0
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7.3500E0 5.2500E0
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8.0250E0 5.7500E0
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90.6000E0 0.5000E0
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76.9000E0 0.6250E0
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71.6000E0 0.7500E0
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63.6000E0 0.8750E0
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54.0000E0 1.0000E0
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39.2000E0 1.2500E0
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29.3000E0 1.7500E0
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21.4000E0 2.2500E0
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29.1750E0 1.7500E0
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22.1250E0 2.2500E0
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17.5125E0 2.7500E0
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14.2500E0 3.2500E0
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9.4500E0 3.7500E0
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9.1500E0 4.2500E0
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7.9125E0 4.7500E0
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8.4750E0 5.2500E0
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6.1125E0 5.7500E0
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80.0000E0 0.5000E0
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79.0000E0 0.6250E0
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63.8000E0 0.7500E0
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57.2000E0 0.8750E0
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53.2000E0 1.0000E0
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42.5000E0 1.2500E0
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26.8000E0 1.7500E0
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20.4000E0 2.2500E0
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26.8500E0 1.7500E0
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21.0000E0 2.2500E0
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16.4625E0 2.7500E0
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12.5250E0 3.2500E0
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10.5375E0 3.7500E0
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8.5875E0 4.2500E0
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7.1250E0 4.7500E0
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6.1125E0 5.2500E0
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5.9625E0 5.7500E0
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74.1000E0 0.5000E0
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67.3000E0 0.6250E0
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60.8000E0 0.7500E0
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55.5000E0 0.8750E0
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50.3000E0 1.0000E0
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41.0000E0 1.2500E0
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29.4000E0 1.7500E0
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20.4000E0 2.2500E0
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29.3625E0 1.7500E0
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21.1500E0 2.2500E0
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16.7625E0 2.7500E0
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13.2000E0 3.2500E0
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10.8750E0 3.7500E0
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8.1750E0 4.2500E0
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7.3500E0 4.7500E0
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5.9625E0 5.2500E0
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5.6250E0 5.7500E0
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81.5000E0 .5000E0
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62.4000E0 .7500E0
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32.5000E0 1.5000E0
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12.4100E0 3.0000E0
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13.1200E0 3.0000E0
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15.5600E0 3.0000E0
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5.6300E0 6.0000E0
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78.0000E0 .5000E0
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59.9000E0 .7500E0
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33.2000E0 1.5000E0
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13.8400E0 3.0000E0
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12.7500E0 3.0000E0
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14.6200E0 3.0000E0
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3.9400E0 6.0000E0
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76.8000E0 .5000E0
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61.0000E0 .7500E0
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32.9000E0 1.5000E0
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13.8700E0 3.0000E0
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11.8100E0 3.0000E0
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13.3100E0 3.0000E0
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5.4400E0 6.0000E0
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78.0000E0 .5000E0
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63.5000E0 .7500E0
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33.8000E0 1.5000E0
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12.5600E0 3.0000E0
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5.6300E0 6.0000E0
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12.7500E0 3.0000E0
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13.1200E0 3.0000E0
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5.4400E0 6.0000E0
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76.8000E0 .5000E0
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60.0000E0 .7500E0
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47.8000E0 1.0000E0
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32.0000E0 1.5000E0
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22.2000E0 2.0000E0
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22.5700E0 2.0000E0
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18.8200E0 2.5000E0
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13.9500E0 3.0000E0
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11.2500E0 4.0000E0
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9.0000E0 5.0000E0
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6.6700E0 6.0000E0
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75.8000E0 .5000E0
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62.0000E0 .7500E0
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48.8000E0 1.0000E0
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35.2000E0 1.5000E0
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20.0000E0 2.0000E0
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20.3200E0 2.0000E0
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19.3100E0 2.5000E0
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12.7500E0 3.0000E0
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10.4200E0 4.0000E0
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7.3100E0 5.0000E0
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7.4200E0 6.0000E0
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70.5000E0 .5000E0
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59.5000E0 .7500E0
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48.5000E0 1.0000E0
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35.8000E0 1.5000E0
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21.0000E0 2.0000E0
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21.6700E0 2.0000E0
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21.0000E0 2.5000E0
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15.6400E0 3.0000E0
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8.1700E0 4.0000E0
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8.5500E0 5.0000E0
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10.1200E0 6.0000E0
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78.0000E0 .5000E0
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66.0000E0 .6250E0
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62.0000E0 .7500E0
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58.0000E0 .8750E0
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47.7000E0 1.0000E0
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37.8000E0 1.2500E0
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20.2000E0 2.2500E0
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21.0700E0 2.2500E0
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13.8700E0 2.7500E0
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9.6700E0 3.2500E0
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7.7600E0 3.7500E0
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5.4400E0 4.2500E0
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4.8700E0 4.7500E0
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4.0100E0 5.2500E0
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3.7500E0 5.7500E0
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24.1900E0 3.0000E0
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25.7600E0 3.0000E0
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18.0700E0 3.0000E0
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11.8100E0 3.0000E0
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12.0700E0 3.0000E0
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16.1200E0 3.0000E0
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70.8000E0 .5000E0
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54.7000E0 .7500E0
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48.0000E0 1.0000E0
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39.8000E0 1.5000E0
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29.8000E0 2.0000E0
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23.7000E0 2.5000E0
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29.6200E0 2.0000E0
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23.8100E0 2.5000E0
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17.7000E0 3.0000E0
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11.5500E0 4.0000E0
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12.0700E0 5.0000E0
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8.7400E0 6.0000E0
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80.7000E0 .5000E0
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61.3000E0 .7500E0
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47.5000E0 1.0000E0
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29.0000E0 1.5000E0
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24.0000E0 2.0000E0
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17.7000E0 2.5000E0
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24.5600E0 2.0000E0
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18.6700E0 2.5000E0
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16.2400E0 3.0000E0
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8.7400E0 4.0000E0
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7.8700E0 5.0000E0
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8.5100E0 6.0000E0
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66.7000E0 .5000E0
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59.2000E0 .7500E0
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40.8000E0 1.0000E0
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30.7000E0 1.5000E0
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25.7000E0 2.0000E0
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16.3000E0 2.5000E0
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25.9900E0 2.0000E0
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16.9500E0 2.5000E0
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13.3500E0 3.0000E0
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8.6200E0 4.0000E0
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7.2000E0 5.0000E0
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6.6400E0 6.0000E0
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13.6900E0 3.0000E0
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81.0000E0 .5000E0
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64.5000E0 .7500E0
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35.5000E0 1.5000E0
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13.3100E0 3.0000E0
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4.8700E0 6.0000E0
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12.9400E0 3.0000E0
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5.0600E0 6.0000E0
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15.1900E0 3.0000E0
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14.6200E0 3.0000E0
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15.6400E0 3.0000E0
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25.5000E0 1.7500E0
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25.9500E0 1.7500E0
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81.7000E0 .5000E0
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61.6000E0 .7500E0
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29.8000E0 1.7500E0
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29.8100E0 1.7500E0
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17.1700E0 2.7500E0
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10.3900E0 3.7500E0
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28.4000E0 1.7500E0
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28.6900E0 1.7500E0
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81.3000E0 .5000E0
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60.9000E0 .7500E0
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16.6500E0 2.7500E0
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10.0500E0 3.7500E0
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28.9000E0 1.7500E0
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28.9500E0 1.7500E0
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