-------------------------------------------------------------------------------- log: C:\Documents and Settings\Patricia_Anderson\My Documents\ECON 20\In > Class\oct2.log log type: text opened on: 2 Oct 2002, 11:14:19 . **simple reg . reg lwage educ Source | SS df MS Number of obs = 526 -------------+------------------------------ F( 1, 524) = 119.58 Model | 27.5606296 1 27.5606296 Prob > F = 0.0000 Residual | 120.769132 524 .230475443 R-squared = 0.1858 -------------+------------------------------ Adj R-squared = 0.1843 Total | 148.329762 525 .28253288 Root MSE = .48008 ------------------------------------------------------------------------------ lwage | Coef. Std. Err. t P>|t| [95% Conf. Interval] -------------+---------------------------------------------------------------- educ | .0827444 .0075667 10.94 0.000 .0678796 .0976092 _cons | .5837726 .0973358 6.00 0.000 .3925562 .774989 ------------------------------------------------------------------------------ . *mult reg . reg lwage educ female married south exper Source | SS df MS Number of obs = 526 -------------+------------------------------ F( 5, 520) = 61.43 Model | 55.0776128 5 11.0155226 Prob > F = 0.0000 Residual | 93.2521489 520 .179331056 R-squared = 0.3713 -------------+------------------------------ Adj R-squared = 0.3653 Total | 148.329762 525 .28253288 Root MSE = .42347 ------------------------------------------------------------------------------ lwage | Coef. Std. Err. t P>|t| [95% Conf. Interval] -------------+---------------------------------------------------------------- educ | .0854551 .0071881 11.89 0.000 .0713337 .0995764 female | -.3283723 .0376249 -8.73 0.000 -.4022878 -.2544568 married | .1444684 .0411156 3.51 0.000 .0636954 .2252414 south | -.0798477 .0390162 -2.05 0.041 -.1564964 -.003199 exper | .0075739 .0015269 4.96 0.000 .0045743 .0105736 _cons | .5186488 .1065292 4.87 0.000 .3093682 .7279294 ------------------------------------------------------------------------------ . use hprice1 . reg price sqrft lotsize bdrms Source | SS df MS Number of obs = 88 -------------+------------------------------ F( 3, 84) = 57.46 Model | 617130.701 3 205710.234 Prob > F = 0.0000 Residual | 300723.805 84 3580.0453 R-squared = 0.6724 -------------+------------------------------ Adj R-squared = 0.6607 Total | 917854.506 87 10550.0518 Root MSE = 59.833 ------------------------------------------------------------------------------ price | Coef. Std. Err. t P>|t| [95% Conf. Interval] -------------+---------------------------------------------------------------- sqrft | .1227782 .0132374 9.28 0.000 .0964541 .1491022 lotsize | .0020677 .0006421 3.22 0.002 .0007908 .0033446 bdrms | 13.85252 9.010145 1.54 0.128 -4.06514 31.77018 _cons | -21.77031 29.47504 -0.74 0.462 -80.38466 36.84404 ------------------------------------------------------------------------------ . **forget units, let's use elasticities . reg lprice lsqrft llotsize bdrms Source | SS df MS Number of obs = 88 -------------+------------------------------ F( 3, 84) = 50.42 Model | 5.15504028 3 1.71834676 Prob > F = 0.0000 Residual | 2.86256324 84 .034078134 R-squared = 0.6430 -------------+------------------------------ Adj R-squared = 0.6302 Total | 8.01760352 87 .092156362 Root MSE = .1846 ------------------------------------------------------------------------------ lprice | Coef. Std. Err. t P>|t| [95% Conf. Interval] -------------+---------------------------------------------------------------- lsqrft | .7002324 .0928652 7.54 0.000 .5155597 .8849051 llotsize | .1679667 .0382812 4.39 0.000 .0918404 .244093 bdrms | .0369584 .0275313 1.34 0.183 -.0177906 .0917074 _cons | -1.297042 .6512836 -1.99 0.050 -2.592191 -.0018931 ------------------------------------------------------------------------------ . use wage1 . reg lwage educ exper tenure Source | SS df MS Number of obs = 526 -------------+------------------------------ F( 3, 522) = 80.39 Model | 46.8741805 3 15.6247268 Prob > F = 0.0000 Residual | 101.455581 522 .194359351 R-squared = 0.3160 -------------+------------------------------ Adj R-squared = 0.3121 Total | 148.329762 525 .28253288 Root MSE = .44086 ------------------------------------------------------------------------------ lwage | Coef. Std. Err. t P>|t| [95% Conf. Interval] -------------+---------------------------------------------------------------- educ | .092029 .0073299 12.56 0.000 .0776292 .1064288 exper | .0041211 .0017233 2.39 0.017 .0007357 .0075065 tenure | .0220672 .0030936 7.13 0.000 .0159897 .0281448 _cons | .2843595 .1041904 2.73 0.007 .0796755 .4890435 ------------------------------------------------------------------------------ . reg lwage educ exper tenure age Source | SS df MS Number of obs = 526 -------------+------------------------------ F( 3, 522) = 80.39 Model | 46.8741805 3 15.6247268 Prob > F = 0.0000 Residual | 101.455581 522 .194359351 R-squared = 0.3160 -------------+------------------------------ Adj R-squared = 0.3121 Total | 148.329762 525 .28253288 Root MSE = .44086 ------------------------------------------------------------------------------ lwage | Coef. Std. Err. t P>|t| [95% Conf. Interval] -------------+---------------------------------------------------------------- educ | .092029 .0073299 12.56 0.000 .0776292 .1064288 exper | .0041211 .0017233 2.39 0.017 .0007357 .0075065 tenure | .0220672 .0030936 7.13 0.000 .0159897 .0281448 age | (dropped) _cons | .2843595 .1041904 2.73 0.007 .0796755 .4890435 ------------------------------------------------------------------------------ . reg age educ exper Source | SS df MS Number of obs = 526 -------------+------------------------------ F( 2, 523) = . Model | 88912.1464 2 44456.0732 Prob > F = . Residual | 0.00 523 0.00 R-squared = 1.0000 -------------+------------------------------ Adj R-squared = 1.0000 Total | 88912.1464 525 169.356469 Root MSE = 0.00 ------------------------------------------------------------------------------ age | Coef. Std. Err. t P>|t| [95% Conf. Interval] -------------+---------------------------------------------------------------- educ | 1 . . . . . exper | 1 . . . . . _cons | 6 . . . . . ------------------------------------------------------------------------------ . log close log: C:\Documents and Settings\Patricia_Anderson\My Documents\ECON 20\I > nClass\oct2.log log type: text closed on: 2 Oct 2002, 12:24:05 -------------------------------------------------------------------------------