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  • plotting semielasticities from a fixed effects model.

    Hello, I am trying to plot the estimated semielasticities from a fixed effects regression model. I use the command -aextlogit-, shown below, the command computes the proper APE for the fixed effects model but I'm not sure how to plot the estimated elasticities. Would I need to extract the coefficients and manually write a program to create the margins plot?


    Code:
    local contrls2  c.depressive_symptoms_Wave c.age_Wave i.education_Wave i.sr_health_Wave ///
    >                i.smoked_marijuana_alt_Wave c.smoked_cigarettes_Wave i.alcohol_Wave ///
    >                            c.tract_poverty_wave c.tract_ppl_density_ths_wave i.uninsured_Wave
    
    . 
    .   aextlogit dental_Wave `contrls2' i.year, group(aid)  betas 
    note: multiple positive outcomes within groups encountered.
    note: 4,114 groups (11,610 obs) omitted because of all positive or
          all negative outcomes.
    
    Iteration 0:  Log likelihood = -5142.9394  
    Iteration 1:  Log likelihood = -5130.2191  
    Iteration 2:  Log likelihood = -5130.2174  
    Iteration 3:  Log likelihood = -5130.2174  
    
    Conditional fixed-effects logistic regression   Number of obs      =     14652
    Group variable: aid                             Number of groups   =      5033
                                                    Obs per group: min =         2
                                                                   avg =       2.9
    Log likelihood  = -5130.2174                                   max =         3
    ------------------------------------------------------------------------------------------------------------
                                   dental_Wave | Coefficient  Std. err.      z    P>|z|     [95% conf. interval]
    -------------------------------------------+----------------------------------------------------------------
                      depressive_symptoms_Wave |  -.0452353   .0107089    -4.22   0.000    -.0662243   -.0242463
                                      age_Wave |  -.0459047   .0343221    -1.34   0.181    -.1131748    .0213655
                                               |
                                education_Wave |
                                2.HS Graduate  |  -.1120294   .1045403    -1.07   0.284    -.3169246    .0928658
                    3.Some College/Vocational  |  -.0652555   .1104589    -0.59   0.555    -.2817508    .1512399
                           4.College Graduate  |  -.3054883   .1315792    -2.32   0.020    -.5633789   -.0475978
                              5.Post-Graduate  |  -.1539305   .1477663    -1.04   0.298    -.4435472    .1356862
                                               |
                                sr_health_Wave |
                                       2.fair  |   .3061655   .1774414     1.73   0.084    -.0416133    .6539444
                                       3.Good  |    .413048   .1731991     2.38   0.017     .0735839    .7525121
                                  4.Very Good  |   .5339259   .1753594     3.04   0.002     .1902278    .8776241
                                  5.Excellent  |   .5734349   .1804662     3.18   0.001     .2197276    .9271422
                                               |
                     smoked_marijuana_alt_Wave |
        1.Did smoke marijuana in past 30 days  |  -.0389956   .0623094    -0.63   0.531    -.1611198    .0831286
                        smoked_cigarettes_Wave |  -.0047952   .0023312    -2.06   0.040    -.0093643   -.0002262
                                               |
                                  alcohol_Wave |
         1. 1 or 2 days in the past 12 months  |  -.0764036   .0678074    -1.13   0.260    -.2093037    .0564966
    2. once a month or less (3–12 times/year)  |  -.0104553   .0661405    -0.16   0.874    -.1400883    .1191777
                       3. 2 or 3 days a month  |   .0484203   .0678095     0.71   0.475    -.0844838    .1813244
                        4. 1 or 2 days a week  |  -.0798573   .0705057    -1.13   0.257    -.2180461    .0583314
                        5. 3 to 5 days a week  |  -.1660228   .0889926    -1.87   0.062    -.3404451    .0083996
             6. every day or almost every day  |  -.1982744   .1291888    -1.53   0.125    -.4514797    .0549309
                                               |
                            tract_poverty_wave |  -.6020104   .1996996    -3.01   0.003    -.9934144   -.2106064
                    tract_ppl_density_ths_wave |  -.0135496   .0062436    -2.17   0.030     -.025787   -.0013123
                                               |
                                uninsured_Wave |
                                    1.Insured  |   .9208175   .0611892    15.05   0.000     .8008889    1.040746
                                               |
                                          year |
                                            4  |   .3279357   .2266605     1.45   0.148    -.1163107    .7721821
                                            5  |   1.002958   .5345881     1.88   0.061    -.0448157    2.050731
    ------------------------------------------------------------------------------------------------------------
    
                       Average (semi) elasticities of Pr(y=1|x,u)
    ------------------------------------------------------------------------------------------------------------
                                   dental_Wave | Coefficient  Std. err.      z    P>|z|     [95% conf. interval]
    -------------------------------------------+----------------------------------------------------------------
                      depressive_symptoms_Wave |  -.0176828   .0041884    -4.22   0.000    -.0258919   -.0094737
                                      age_Wave |  -.0179445   .0134175    -1.34   0.181    -.0442422    .0083533
                                               |
                                education_Wave |
                                2.HS Graduate  |  -.0437931   .0408669    -1.07   0.284    -.1238908    .0363046
                    3.Some College/Vocational  |  -.0255088   .0431796    -0.59   0.555    -.1101393    .0591216
                           4.College Graduate  |  -.1194175   .0514435    -2.32   0.020    -.2202449   -.0185902
                              5.Post-Graduate  |  -.0601725   .0577648    -1.04   0.298    -.1733893    .0530443
                                               |
                                sr_health_Wave |
                                       2.fair  |   .1196823   .0693692     1.73   0.084    -.0162789    .2556434
                                       3.Good  |   .1614634   .0677162     2.38   0.017     .0287421    .2941846
                                  4.Very Good  |   .2087154   .0685681     3.04   0.002     .0743244    .3431063
                                  5.Excellent  |   .2241597   .0705666     3.18   0.001     .0858516    .3624678
                                               |
                     smoked_marijuana_alt_Wave |
        1.Did smoke marijuana in past 30 days  |  -.0152437   .0243575    -0.63   0.531    -.0629834    .0324961
                        smoked_cigarettes_Wave |  -.0018745   .0009114    -2.06   0.040    -.0036608   -.0000882
                                               |
                                  alcohol_Wave |
         1. 1 or 2 days in the past 12 months  |  -.0298667   .0265074    -1.13   0.260    -.0818202    .0220869
    2. once a month or less (3–12 times/year)  |   -.004087   .0258548    -0.16   0.874    -.0547615    .0465874
                       3. 2 or 3 days a month  |   .0189279   .0265076     0.71   0.475    -.0330261    .0708818
                        4. 1 or 2 days a week  |  -.0312168   .0275622    -1.13   0.257    -.0852378    .0228042
                        5. 3 to 5 days a week  |  -.0648995   .0347914    -1.87   0.062    -.1330894    .0032905
             6. every day or almost every day  |  -.0775068   .0505043    -1.53   0.125    -.1764935    .0214798
                                               |
                            tract_poverty_wave |  -.2353301    .078085    -3.01   0.003    -.3883739   -.0822863
                    tract_ppl_density_ths_wave |  -.0052967    .002441    -2.17   0.030     -.010081   -.0005123
                                               |
                                uninsured_Wave |
                                    1.Insured  |    .359954   .0240794    14.95   0.000     .3127592    .4071489
                                               |
                                          year |
                                            4  |   .1281924   .0886087     1.45   0.148    -.0454774    .3018622
                                            5  |   .3920632    .208996     1.88   0.061    -.0175615    .8016879
    ------------------------------------------------------------------------------------------------------------
    Average of dental_Wave = .60909299 (Number of obs = 26262)
    
    .

  • #2
    You can use coefplot.
    Code:
    ssc install coefplot, replace
    ssc install estout, replace
    webuse union
    xtset idcode
    aextlogit union age grade i.not_smsa south##c.year
    eststo M1: aextlogit union age grade i.not_smsa south##c.year
    coefplot M1
    Best wishes

    Stata 18.0 MP | ORCID | Google Scholar

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