-------------------------------------------------------------------------- name: log: C:\Users\LabProf01\Documents\Poisson.log log type: text opened on: 10 May 2023, 16:50:05 . reg narr86 pcnv avgsen tottime ptime86 qemp86 inc86 black hispan born60 Source | SS df MS Number of obs = 2 > ,725 -------------+---------------------------------- F(9, 2715) = 2 > 3.57 Model | 145.702778 9 16.1891976 Prob > F = 0. > 0000 Residual | 1864.64438 2,715 .686793509 R-squared = 0. > 0725 -------------+---------------------------------- Adj R-squared = 0. > 0694 Total | 2010.34716 2,724 .738012906 Root MSE = .8 > 2873 -------------------------------------------------------------------------- > ---- narr86 | Coef. Std. Err. t P>|t| [95% Conf. Inter > val] -------------+------------------------------------------------------------ > ---- pcnv | -.131886 .0404037 -3.26 0.001 -.2111112 -.052 > 6609 avgsen | -.0113316 .0122413 -0.93 0.355 -.0353348 .012 > 6717 tottime | .0120693 .0094364 1.28 0.201 -.006434 .030 > 5725 ptime86 | -.0408735 .008813 -4.64 0.000 -.0581544 -.023 > 5925 qemp86 | -.0513099 .0144862 -3.54 0.000 -.079715 -.022 > 9047 inc86 | -.0014617 .000343 -4.26 0.000 -.0021343 -.000 > 7891 black | .3270097 .0454264 7.20 0.000 .2379359 .416 > 0835 hispan | .1938094 .0397156 4.88 0.000 .1159335 .271 > 6853 born60 | -.022465 .0332945 -0.67 0.500 -.0877502 .042 > 8202 _cons | .576566 .0378945 15.22 0.000 .502261 .650 > 8711 -------------------------------------------------------------------------- > ---- . reg narr86 pcnv avgsen tottime ptime86 qemp86 inc86 black hispan born60 Source | SS df MS Number of obs = 2 > ,725 -------------+---------------------------------- F(9, 2715) = 2 > 3.57 Model | 145.702778 9 16.1891976 Prob > F = 0. > 0000 Residual | 1864.64438 2,715 .686793509 R-squared = 0. > 0725 -------------+---------------------------------- Adj R-squared = 0. > 0694 Total | 2010.34716 2,724 .738012906 Root MSE = .8 > 2873 -------------------------------------------------------------------------- > ---- narr86 | Coef. Std. Err. t P>|t| [95% Conf. Inter > val] -------------+------------------------------------------------------------ > ---- pcnv | -.131886 .0404037 -3.26 0.001 -.2111112 -.052 > 6609 avgsen | -.0113316 .0122413 -0.93 0.355 -.0353348 .012 > 6717 tottime | .0120693 .0094364 1.28 0.201 -.006434 .030 > 5725 ptime86 | -.0408735 .008813 -4.64 0.000 -.0581544 -.023 > 5925 qemp86 | -.0513099 .0144862 -3.54 0.000 -.079715 -.022 > 9047 inc86 | -.0014617 .000343 -4.26 0.000 -.0021343 -.000 > 7891 black | .3270097 .0454264 7.20 0.000 .2379359 .416 > 0835 hispan | .1938094 .0397156 4.88 0.000 .1159335 .271 > 6853 born60 | -.022465 .0332945 -0.67 0.500 -.0877502 .042 > 8202 _cons | .576566 .0378945 15.22 0.000 .502261 .650 > 8711 -------------------------------------------------------------------------- > ---- . sum narr86 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- narr86 | 2,725 .4044037 .8590768 0 12 . predict narr86_hat variable narr86_hat already defined r(110); . count if narr86_hat<0 87 . poisson narr86 pcnv avgsen tottime ptime86 qemp86 inc86 black hispan bor > n60 Iteration 0: log likelihood = -2249.0104 Iteration 1: log likelihood = -2248.7614 Iteration 2: log likelihood = -2248.7611 Iteration 3: log likelihood = -2248.7611 Poisson regression Number of obs = 2 > ,725 LR chi2(9) = 38 > 6.32 Prob > chi2 = 0. > 0000 Log likelihood = -2248.7611 Pseudo R2 = 0. > 0791 -------------------------------------------------------------------------- > ---- narr86 | Coef. Std. Err. z P>|z| [95% Conf. Inter > val] -------------+------------------------------------------------------------ > ---- pcnv | -.4015713 .0849712 -4.73 0.000 -.5681117 -.235 > 0308 avgsen | -.0237723 .019946 -1.19 0.233 -.0628658 .015 > 3212 tottime | .0244904 .0147504 1.66 0.097 -.0044199 .053 > 4006 ptime86 | -.0985584 .0206946 -4.76 0.000 -.1391192 -.057 > 9977 qemp86 | -.0380187 .0290242 -1.31 0.190 -.0949051 .018 > 8677 inc86 | -.0080807 .001041 -7.76 0.000 -.010121 -.006 > 0404 black | .6608376 .0738342 8.95 0.000 .5161252 .8 > 0555 hispan | .4998133 .0739267 6.76 0.000 .3549196 .64 > 4707 born60 | -.0510286 .0640518 -0.80 0.426 -.1765678 .074 > 5106 _cons | -.5995888 .0672501 -8.92 0.000 -.7313966 -.46 > 7781 -------------------------------------------------------------------------- > ---- . margins, dydx(pcnv) at (pcnv=(0(0.1)1)) Average marginal effects Number of obs = 2 > ,725 Model VCE : OIM Expression : Predicted number of events, predict() dy/dx w.r.t. : pcnv 1._at : pcnv = 0 2._at : pcnv = .1 3._at : pcnv = .2 4._at : pcnv = .3 5._at : pcnv = .4 6._at : pcnv = .5 7._at : pcnv = .6 8._at : pcnv = .7 9._at : pcnv = .8 10._at : pcnv = .9 11._at : pcnv = 1 -------------------------------------------------------------------------- > ---- | Delta-method | dy/dx Std. Err. z P>|z| [95% Conf. Inter > val] -------------+------------------------------------------------------------ > ---- pcnv | _at | 1 | -.1849336 .0441624 -4.19 0.000 -.2714902 -.09 > 8377 2 | -.1776543 .040927 -4.34 0.000 -.2578698 -.097 > 4389 3 | -.1706616 .0378789 -4.51 0.000 -.2449028 -.096 > 4204 4 | -.1639441 .0350082 -4.68 0.000 -.232559 -.095 > 3292 5 | -.157491 .032306 -4.87 0.000 -.2208096 -.094 > 1725 6 | -.1512919 .0297634 -5.08 0.000 -.2096271 -.092 > 9568 7 | -.1453368 .0273721 -5.31 0.000 -.1989852 -.091 > 6885 8 | -.1396162 .0251244 -5.56 0.000 -.188859 -.090 > 3733 9 | -.1341207 .0230127 -5.83 0.000 -.1792247 -.089 > 0167 10 | -.1288415 .02103 -6.13 0.000 -.1700594 -.087 > 6235 11 | -.1237701 .0191696 -6.46 0.000 -.1613417 -.086 > 1984 -------------------------------------------------------------------------- > ---- . margins, dydx(inc86) Average marginal effects Number of obs = 2 > ,725 Model VCE : OIM Expression : Predicted number of events, predict() dy/dx w.r.t. : inc86 -------------------------------------------------------------------------- > ---- | Delta-method | dy/dx Std. Err. z P>|z| [95% Conf. Inter > val] -------------+------------------------------------------------------------ > ---- inc86 | -.0032679 .0004323 -7.56 0.000 -.0041152 -.002 > 4205 -------------------------------------------------------------------------- > ---- . sum inc86 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- inc86 | 2,725 54.96705 66.62721 0 541 . display -.0032679 * 66.62721 -.21773106 . log close name: log: C:\Users\LabProf01\Documents\Poisson.log log type: text closed on: 10 May 2023, 16:50:26 --------------------------------------------------------------------------