Hi. When running teffects I get the error message that "514 observations completely determined; the model, as specified, is not identified", whereas when I run the same in a the first stage logit of psmatch, it appears to run fine. Could someone please explain to me what is happening here?
Code:
. teffects ipwra (rate_con_avg7day rate_test_avg7day) (stepone pop_perkm2_2019 p
> overtyperct deathrate_2019 infantmortrate_2019 birthrate_2019 naturalgrwthrate
> _2019 rate_hospital_total1k rate_hospital_beds_total1k exphealth_percap1516 ra
> te_denguecase2018 rate_typoidtot_case2018 rate_acuteresp_totcase2018 rate_pneu
> moniatot_case2018 rate_tb2018 rate_influenzacase_2018 rate_hepcases_2018 rate_
> htnanddm2018 rate_diabetes2018 rate_hypertension2018, logit), iterate(100)
treatment model has 514 observations completely determined; the model, as
specified, is not identified
. logit stepone pop_perkm2_2019 povertyperct deathrate_2019 infantmortrate_2019
> birthrate_2019 naturalgrwthrate_2019 rate_hospital_total1k rate_hospital_beds_
> total1k exphealth_percap1516 rate_denguecase2018 rate_typoidtot_case2018 rate_
> acuteresp_totcase2018 rate_pneumoniatot_case2018 rate_tb2018 rate_influenzacas
> e_2018 rate_hepcases_2018 rate_htnanddm2018 rate_diabetes2018 rate_hypertensio
> n2018, iterate(100)
Iteration 0: Log likelihood = -1018.14
Iteration 1: Log likelihood = -576.63862
Iteration 2: Log likelihood = -497.33311
Iteration 3: Log likelihood = -458.15125
Iteration 4: Log likelihood = -419.39634
Iteration 5: Log likelihood = -412.38457
Iteration 6: Log likelihood = -380.40379
Iteration 7: Log likelihood = -373.20497
Iteration 8: Log likelihood = -371.238
Iteration 9: Log likelihood = -368.93039
Iteration 10: Log likelihood = -366.7781
Iteration 11: Log likelihood = -366.70591
Iteration 12: Log likelihood = -366.70366
Iteration 13: Log likelihood = -366.70365
Logistic regression Number of obs = 1,579
LR chi2(19) = 1302.87
Prob > chi2 = 0.0000
Log likelihood = -366.70365 Pseudo R2 = 0.6398
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stepone | Coefficient Std. err. z P>|z| [95% conf. interval]
--------------+----------------------------------------------------------------
pop_perk~2019 | .0069034 .000922 7.49 0.000 .0050962 .0087105
povertyperct | 4.126038 .4687399 8.80 0.000 3.207325 5.044752
deathrat~2019 | 188.9415 23.98367 7.88 0.000 141.9344 235.9487
infantmo~2019 | .7319597 .1323898 5.53 0.000 .4724805 .9914388
birthrat~2019 | -181.3161 23.26441 -7.79 0.000 -226.9135 -135.7187
naturalg~2019 | 172.2302 22.24448 7.74 0.000 128.6318 215.8286
rat~l_total1k | -18.78166 2.067758 -9.08 0.000 -22.83439 -14.72893
rate_hospit.. | 2.72845 .3054729 8.93 0.000 2.129734 3.327166
exphea~ap1516 | -.0090102 .0009747 -9.24 0.000 -.0109206 -.0070998
rate_de~e2018 | 11.19207 3.770649 2.97 0.003 3.801733 18.58241
rate_typoid.. | -.0172644 .2757447 -0.06 0.950 -.5577141 .5231853
rat~tcase2018 | .0001276 .0061045 0.02 0.983 -.0118369 .0120921
rate_pneumo.. | -17.54092 1.96893 -8.91 0.000 -21.39995 -13.68189
rate_tb2018 | 8.007212 .8000535 10.01 0.000 6.439136 9.575289
rate_i~e_2018 | -173.7376 28.44892 -6.11 0.000 -229.4965 -117.9788
rate_hepcas~8 | 45.07249 5.162552 8.73 0.000 34.95407 55.1909
rate_htn~2018 | -1022715 161381.8 -6.34 0.000 -1339017 -706412.2
rate_dia~2018 | 2001747 237605.1 8.42 0.000 1536049 2467444
rate_hyp~2018 | -124296.8 32170.22 -3.86 0.000 -187349.3 -61244.35
_cons | -94.38065 11.0117 -8.57 0.000 -115.9632 -72.79811
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Note: 514 failures and 0 successes completely determined.
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