## File: Wampler3.dat

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gretl 1.3.3-1
 `123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081` ``````NIST/ITL StRD Dataset Name: Wampler3 (Wampler3.dat) File Format: ASCII Certified Values (lines 31 to 50) Data (lines 61 to 81) Procedure: Linear Least Squares Regression Reference: Wampler, R. H. (1970). A Report of the Accuracy of Some Widely-Used Least Squares Computer Programs. Journal of the American Statistical Association, 65, pp. 549-565. Data: 1 Response Variable (y) 1 Predictor Variable (x) 21 Observations Higher Level of Difficulty Generated Data Model: Polynomial Class 6 Parameters (B0,B1,...,B5) y = B0 + B1*x + B2*(x**2) + B3*(x**3)+ B4*(x**4) + B5*(x**5) Certified Regression Statistics Standard Deviation Parameter Estimate of Estimate B0 1.00000000000000 2152.32624678170 B1 1.00000000000000 2363.55173469681 B2 1.00000000000000 779.343524331583 B3 1.00000000000000 101.475507550350 B4 1.00000000000000 5.64566512170752 B5 1.00000000000000 0.112324854679312 Residual Standard Deviation 2360.14502379268 R-Squared 0.999995559025820 Certified Analysis of Variance Table Source of Degrees of Sums of Mean Variation Freedom Squares Squares F Statistic Regression 5 18814317208116.7 3762863441623.33 675524.458240122 Residual 15 83554268.0000000 5570284.53333333 Data: y x 760. 0 -2042. 1 2111. 2 -1684. 3 3888. 4 1858. 5 11379. 6 17560. 7 39287. 8 64382. 9 113159. 10 175108. 11 273291. 12 400186. 13 581243. 14 811568. 15 1121004. 16 1506550. 17 2002767. 18 2611612. 19 3369180. 20 ``````