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F33YEAR.NLR
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1992-08-08
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908b
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31 lines
Title Linear model: Price of F33 Bonanza Versus Age
Register ! Please register your use of Nonlin
Variable Age ! Age in years
Variable Total ! Total hours on airframe
Variable Engine ! Hours on current engine
Variable Price ! Asking price
Parameter Baseprice ! Estimated base price of a new plane
Parameter Agedep ! Depreciation for each year of age
Confidence 90 ! Print 90% confidence intervals for parameter estimates
Function Price = Baseprice + Agedep*Age
Plot rline,grid ! Plot data, equation, grid lines, and residual lines
Data
1 60 60 188000
2 130 130 174500
4 619 619 175000
4 525 525 162500
3 535 535 169900
9 2800 1390 99500
10 1610 1610 119000
12 938 938 107000
13 1550 120 97500
13 1490 100 95000
13 1894 406 89900
14 2250 350 99500
14 2600 975 87500
15 1500 1000 96500
15 2100 800 83900
18 2480 990 79900
20 1950 40 75000