| DataFit version 8.0.32 | |||||
| Results from project "c:\documents and settings\a102a\desktop\qhull.dft" | |||||
| Equation ID: a*x^4+b*x^3+c*x^2+d*x+e | |||||
| Model Definition: | |||||
| Y = a*x^4+b*x^3+c*x^2+d*x+e | |||||
| Number of observations = 16 | |||||
| Number of missing observations = 0 | |||||
| Solver type: Linear | |||||
| Sum of Residuals = -5.91179819340609E-02 | |||||
| Average Residual = -3.69487387087881E-03 | |||||
| Residual Sum of Squares (Absolute) = 5.38152816981321E-02 | |||||
| Residual Sum of Squares (Relative) = 5.38152816981321E-02 | |||||
| Standard Error of the Estimate = 6.99449664821839E-02 | |||||
| Coefficient of Multiple Determination (R^2) = 0.998840692 | |||||
| Proportion of Variance Explained = 99.8840692% | |||||
| Adjusted coefficient of multiple determination (Ra^2) = 0.9984191254 | |||||
| Durbin-Watson statistic = 2.23063020870155 | |||||
| Regression Variable Results | |||||
| Variable | Value | Standard Error | t-ratio | Prob(t) | |
| a | 1.802221521E-018 | 4.76291014E-019 | 3.783866309 | 0.00303 | |
| b | -1.505212964E-013 | 4.33315832E-014 | -3.473708675 | 0.00521 | |
| c | 3.75530138E-009 | 1.23737763E-009 | 3.034887079 | 0.01135 | |
| d | 9.340051802E-005 | 1.250557642E-005 | 7.468709551 | 0.00001 | |
| e | 0.02911389764 | 0.05141529326 | 0.5662497634 | 0.58259 | |
| 68% Confidence Intervals | |||||
| Variable | Value | 68% (+/-) | Lower Limit | Upper Limit | |
| a | 1.802221521E-018 | 4.96057091E-019 | 1.30616443E-018 | 2.298278612E-018 | |
| b | -1.505212964E-013 | 4.51298439E-014 | -1.956511403E-013 | -1.053914525E-013 | |
| c | 3.75530138E-009 | 1.288728801E-009 | 2.466572579E-009 | 5.044030181E-009 | |
| d | 9.340051802E-005 | 1.302455784E-005 | 8.037596018E-005 | 0.0001064250759 | |
| e | 0.02911389764 | 0.05354902793 | -0.02443513029 | 0.08266292557 | |
| 90% Confidence Intervals | |||||
| Variable | Value | 90% (+/-) | Lower Limit | Upper Limit | |
| a | 1.802221521E-018 | 8.55371032E-019 | 9.468504888E-019 | 2.657592553E-018 | |
| b | -1.505212964E-013 | 7.781919026E-014 | -2.283404867E-013 | -7.270210618E-014 | |
| c | 3.75530138E-009 | 2.222206485E-009 | 1.533094895E-009 | 5.977507865E-009 | |
| d | 9.340051802E-005 | 2.245876468E-005 | 7.094175333E-005 | 0.0001158592827 | |
| e | 0.02911389764 | 0.09233672516 | -0.06322282752 | 0.1214506228 | |
| 95% Confidence Intervals | |||||
| Variable | Value | 95% (+/-) | Lower Limit | Upper Limit | |
| a | 1.802221521E-018 | 1.048316522E-018 | 7.53904999E-019 | 2.850538042E-018 | |
| b | -1.505212964E-013 | 9.537281462E-014 | -2.458941111E-013 | -5.514848182E-014 | |
| c | 3.75530138E-009 | 2.723468163E-009 | 1.031833218E-009 | 6.478769543E-009 | |
| d | 9.340051802E-005 | 2.752477369E-005 | 6.587574433E-005 | 0.0001209252917 | |
| e | 0.02911389764 | 0.1131650605 | -0.08405116282 | 0.1422789581 | |
| 99% Confidence Intervals | |||||
| Variable | Value | 99% (+/-) | Lower Limit | Upper Limit | |
| a | 1.802221521E-018 | 1.479264631E-018 | 3.229568896E-019 | 3.281486152E-018 | |
| b | -1.505212964E-013 | 1.345792311E-013 | -2.851005275E-013 | -1.594206535E-014 | |
| c | 3.75530138E-009 | 3.843047442E-009 | -8.774606165E-011 | 7.598348822E-009 | |
| d | 9.340051802E-005 | 3.883981923E-005 | 5.456069879E-005 | 0.0001322403372 | |
| e | 0.02911389764 | 0.1596856178 | -0.1305717202 | 0.1887995154 | |
| Variance Analysis | |||||
| Source | DF | Sum of Squares | Mean Square | F Ratio | Prob(F) |
| Regression | 4 | 46.36635972 | 11.59158993 | 2369.354674 | 0 |
| Error | 11 | 0.0538152817 | 0.004892298336 | ||
| Total | 15 | 46.420175 |