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81 lines
2.2 KiB
81 lines
2.2 KiB
NIST/ITL StRD
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Dataset Name: Wampler4 (Wampler4.dat)
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File Format: ASCII
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Certified Values (lines 31 to 50)
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Data (lines 61 to 81)
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Procedure: Linear Least Squares Regression
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Reference: Wampler, R. H. (1970).
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A Report of the Accuracy of Some Widely-Used Least
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Squares Computer Programs.
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Journal of the American Statistical Association, 65, pp. 549-565.
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Data: 1 Response Variable (y)
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1 Predictor Variable (x)
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21 Observations
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Higher Level of Difficulty
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Generated Data
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Model: Polynomial Class
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6 Parameters (B0,B1,...,B5)
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y = B0 + B1*x + B2*(x**2) + B3*(x**3)+ B4*(x**4) + B5*(x**5)
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Certified Regression Statistics
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Standard Deviation
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Parameter Estimate of Estimate
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B0 1.00000000000000 215232.624678170
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B1 1.00000000000000 236355.173469681
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B2 1.00000000000000 77934.3524331583
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B3 1.00000000000000 10147.5507550350
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B4 1.00000000000000 564.566512170752
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B5 1.00000000000000 11.2324854679312
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Residual
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Standard Deviation 236014.502379268
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R-Squared 0.957478440825662
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Certified Analysis of Variance Table
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Source of Degrees of Sums of Mean
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Variation Freedom Squares Squares F Statistic
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Regression 5 18814317208116.7 3762863441623.33 67.5524458240122
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Residual 15 835542680000.000 55702845333.3333
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Data: y x
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75901 0
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-204794 1
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204863 2
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-204436 3
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253665 4
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-200894 5
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214131 6
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-185192 7
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221249 8
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-138370 9
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315911 10
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-27644 11
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455253 12
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197434 13
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783995 14
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608816 15
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1370781 16
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1303798 17
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2205519 18
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2408860 19
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3444321 20
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