比如在这个结果中,没找到自由度在哪里?
Iteration 0: log likelihood = -587.7496
Iteration 1: log likelihood = -531.74257
Iteration 2: log likelihood = -526.45555
Iteration 3: log likelihood = -526.33
Iteration 4: log likelihood = -526.32939
Iteration 5: log likelihood = -526.32939
Logistic regression Number of obs = 1174
LR chi2(7) = 122.84
Prob > chi2 = 0.0000
Log likelihood = -526.32939 Pseudo R2 = 0.1045
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appointed1 | Coef. Std. Err. z P>|z| [95% Conf. Interval]
-------------+----------------------------------------------------------------
T_A | 1.20631 .1607802 7.50 0.000 .8911863 1.521433
T_B3C | -.8473837 .1638599 -5.17 0.000 -1.168543 -.5262241
T_B3A | .7174781 .1640904 4.37 0.000 .3958669 1.039089
T_A16A | .0293782 .0147089 2.00 0.046 .0005492 .0582072
T_A16B | -.0779905 .1023692 -0.76 0.446 -.2786305 .1226494
T_A16C | -.2130691 .1389384 -1.53 0.125 -.4853834 .0592452
T_A16D | -.1878124 .0731013 -2.57 0.010 -.3310884 -.0445364
_cons | -1.008536 .2985982 -3.38 0.001 -1.593777 -.4232939
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