-------------

       log:  c:\guido\match\program_06july\lalonde_nonexper_06july25.smcl

  log type:  smcl

 opened on:  24 Jul 2006, 19:26:30


.

. infile t age educ black hisp married re74 re75 re78 reo74 reo75 using c:\data\lalonde\nonexper\nswpsid.dat

(2675 observations read)


.

. logit t age educ black hisp married re74 re75 reo74 reo75


Iteration 0:   log likelihood = -672.64954

Iteration 1:   log likelihood = -560.50324

Iteration 2:   log likelihood = -341.98485

Iteration 3:   log likelihood = -244.15057

Iteration 4:   log likelihood = -219.79553

Iteration 5:   log likelihood = -211.25944

Iteration 6:   log likelihood = -209.49855

Iteration 7:   log likelihood = -209.38986

Iteration 8:   log likelihood = -209.38931


Logistic regression                               Number of obs   =       2675

                                                  LR chi2(9)      =     926.52

                                                  Prob > chi2     =     0.0000

Log likelihood = -209.38931                       Pseudo R2       =     0.6887


-------------+----------------------------------------------------------------

           t |      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]

-------------+----------------------------------------------------------------

         age |  -.1109206   .0177106    -6.26   0.000    -.1456326   -.0762085

        educ |  -.1008807   .0561131    -1.80   0.072    -.2108604    .0090991

       black |   2.650097   .3605654     7.35   0.000     1.943402    3.356792

        hisp |   2.247747   .5908943     3.80   0.000     1.089615    3.405878

     married |  -1.560628     .28179    -5.54   0.000    -2.112926   -1.008329

        re74 |   .0000202   .0000313     0.64   0.519    -.0000412    .0000816

        re75 |  -.0002743   .0000477    -5.75   0.000    -.0003678   -.0001808

       reo74 |  -1.371405   .4545768    -3.02   0.003    -2.262359   -.4804507

       reo75 |   3.272456   .4887569     6.70   0.000      2.31451    4.230402

       _cons |   1.794543    .979257     1.83   0.067    -.1247656    3.713851

-------------+----------------------------------------------------------------


note: 78 failures and 0 successes completely determined.


.

. predict pscore

(option p assumed; Pr(t))


.

. bysort t: summ pscore


-------------

-> t = 0


    Variable |       Obs        Mean    Std. Dev.       Min        Max

-------------+--------------------------------------------------------

      pscore |      2490    .0236426    .0907847   8.86e-21   .9870696


-------------

-> t = 1


    Variable |       Obs        Mean    Std. Dev.       Min        Max

-------------+--------------------------------------------------------

      pscore |       185     .681783    .2979215   .0002061   .9889598


.

.

. nnmatch re78 t age educ black hisp married re74 re75 reo74 reo75, tc(att)


Matching estimator:  Average Treatment Effect for the Treated


Weighting matrix: inverse variance          Number of obs          =      2675

                                            Number of matches  (m) =         1


-------------+----------------------------------------------------------------

        re78 |      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]

-------------+----------------------------------------------------------------

        SATT |    2073.48   1673.616     1.24   0.215    -1206.748    5353.707

-------------+----------------------------------------------------------------


Matching variables:  age educ black hisp married re74 re75 reo74 reo75


.

. nnmatch re78 t age educ black hisp married re74 re75 reo74 reo75, tc(att) m(4) exact(reo75) bias(bias) rob(4) keep(lalonde_temp1) replace

(note: file lalonde_temp1.dta not found)

file lalonde_temp1.dta saved


Matching estimator:  Average Treatment Effect for the Treated


Weighting matrix: inverse variance          Number of obs          =      2675

                                            Number of matches  (m) =         4

                                            Number of matches,

                                              robust std. err. (h) =         4


-------------+----------------------------------------------------------------

        re78 |      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]

-------------+----------------------------------------------------------------

        SATT |   2484.237   903.4737     2.75   0.006      713.461    4255.013

-------------+----------------------------------------------------------------


Matching variables:  age educ black hisp married re74 re75 reo74 reo75


Bias-adj variables:  age educ black hisp married re74 re75 reo74 reo75


Exact matching variables: reo75


(Percent of exact matches: 100)


.

. nnmatch re78 t age educ black hisp married re74 re75 reo74 reo75, tc(att) m(4) exact(pscore) bias(bias) rob(4) keep(lalonde_temp2) replace

file lalonde_temp2.dta saved


Matching estimator:  Average Treatment Effect for the Treated


Weighting matrix: inverse variance          Number of obs          =      2675

                                            Number of matches  (m) =         4

                                            Number of matches,

                                              robust std. err. (h) =         4


-------------+----------------------------------------------------------------

        re78 |      Coef.   Std. Err.      z    P>|z|     [95% Conf. Interval]

-------------+----------------------------------------------------------------

        SATT |    2242.02   978.5355     2.29   0.022     324.1257    4159.914

-------------+----------------------------------------------------------------


Matching variables:  age educ black hisp married re74 re75 reo74 reo75


Bias-adj variables:  age educ black hisp married re74 re75 reo74 reo75


Exact matching variables: pscore


(Percent of exact matches: 1.6883116)


.

.

. bysort t: summ


-------------

-> t = 0


    Variable |       Obs        Mean    Std. Dev.       Min        Max

-------------+--------------------------------------------------------

           t |      2490           0           0          0          0

         age |      2490     34.8506    10.44076         18         55

        educ |      2490    12.11687    3.082435          0         17

       black |      2490    .2506024     .433447          0          1

        hisp |      2490    .0325301    .1774389          0          1

-------------+--------------------------------------------------------

     married |      2490    .8662651    .3404357          0          1

        re74 |      2490    19428.75    13406.88          0     137149

        re75 |      2490    19063.34    13596.95          0     156653

        re78 |      2490    21553.92    15555.35          0     121174

       reo74 |      2490          .1    .3000603          0          1

-------------+--------------------------------------------------------

       reo75 |      2490    .0863454    .2809298          0          1

      pscore |      2490    .0236426    .0907847   8.86e-21   .9870696


-------------

-> t = 1


    Variable |       Obs        Mean    Std. Dev.       Min        Max

-------------+--------------------------------------------------------

           t |       185           1           0          1          1

         age |       185    25.81622    7.155019         17         48

        educ |       185    10.34595     2.01065          4         16

       black |       185    .8432432    .3645579          0          1

        hisp |       185    .0594595    .2371244          0          1

-------------+--------------------------------------------------------

     married |       185    .1891892    .3927217          0          1

        re74 |       185    2095.574    4886.623          0    35040.1

        re75 |       185    1532.056    3219.251          0    25142.2

        re78 |       185    6349.145    7867.405          0    60307.9

       reo74 |       185          .6    .4912274          0          1

-------------+--------------------------------------------------------

       reo75 |       185    .7081081    .4558666          0          1

      pscore |       185     .681783    .2979215   .0002061   .9889598


.

.

. clear


.

. use lalonde_temp1


.

. summ


    Variable |       Obs        Mean    Std. Dev.       Min        Max

-------------+--------------------------------------------------------

           t |       762           1           0          1          1

        re78 |       762    6419.726    7882.475          0    60307.9

         age |       762    25.92388    7.157289         17         48

        educ |       762    10.38451    2.007325          4         16

       black |       762     .843832     .363253          0          1

-------------+--------------------------------------------------------

        hisp |       762    .0603675    .2383228          0          1

     married |       762    .1863517     .389646          0          1

        re74 |       762    2035.072    4818.496          0    35040.1

        re75 |       762    1503.456    3187.082          0    25142.2

       reo74 |       762    .6089239    .4883119          0          1

-------------+--------------------------------------------------------

       reo75 |       762    .7165354     .450976          0          1

          id |       762    2583.836     53.6187       2491       2675

          km |       762           0           0          0          0

       index |       762    2070.454    485.5825        226       2490

        dist |       762    1.432934    2.424281          0   18.47463

-------------+--------------------------------------------------------

      re78_0 |       762    4587.148    6785.044          0    33101.1

      re78_1 |       762    6419.726    7882.475          0    60307.9

      age_0m |       762    26.57612    7.646432         18         54

     educ_0m |       762    10.95669    1.813068          3         17

    black_0m |       762    .8057743    .3958633          0          1

-------------+--------------------------------------------------------

     hisp_0m |       762    .0603675    .2383228          0          1

  married_0m |       762    .2139108    .4103339          0          1

     re74_0m |       762    2158.217     4718.01          0    35266.8

     re75_0m |       762    2445.069    4493.859          0    25601.6

    reo74_0m |       762    .6128609    .4874158          0          1

-------------+--------------------------------------------------------

    reo75_0m |       762    .7165354     .450976          0          1

      age_1m |       762    25.92388    7.157289         17         48

     educ_1m |       762    10.38451    2.007325          4         16

    black_1m |       762     .843832     .363253          0          1

     hisp_1m |       762    .0603675    .2383228          0          1

-------------+--------------------------------------------------------

  married_1m |       762    .1863517     .389646          0          1

     re74_1m |       762    2035.072    4818.496          0    35040.1

     re75_1m |       762    1503.456    3187.082          0    25142.2

    reo74_1m |       762    .6089239    .4883119          0          1

    reo75_1m |       762    .7165354     .450976          0          1

-------------+--------------------------------------------------------

    reo75_0e |       762    .7165354     .450976          0          1

    reo75_1e |       762    .7165354     .450976          0          1


.

. use lalonde_temp2


.

. summ


    Variable |       Obs        Mean    Std. Dev.       Min        Max

-------------+--------------------------------------------------------

           t |       770           1           0          1          1

        re78 |       770    6369.925    7836.169          0    60307.9

         age |       770    25.78701    7.047034         17         48

        educ |       770    10.36234     1.99932          4         16

       black |       770    .8480519    .3592039          0          1

-------------+--------------------------------------------------------

        hisp |       770    .0571429    .2322663          0          1

     married |       770    .1831169    .3870137          0          1

        re74 |       770    2013.928    4797.812          0    35040.1

        re75 |       770     1490.08    3163.206          0    25142.2

       reo74 |       770    .6051948    .4891265          0          1

-------------+--------------------------------------------------------

       reo75 |       770    .7194805    .4495451          0          1

          id |       770    2583.778    53.10885       2491       2675

          km |       770           0           0          0          0

       index |       770    2183.727    282.4924        227       2489

        dist |       770    28.36001    38.94513          0   247.6413

-------------+--------------------------------------------------------

      re78_0 |       770    4697.659     7875.67          0     121174

      re78_1 |       770    6369.925    7836.169          0    60307.9

      age_0m |       770    24.18442    5.688239         18         54

     educ_0m |       770    10.63506    1.968693          3         17

    black_0m |       770    .9038961    .2949252          0          1

-------------+--------------------------------------------------------

     hisp_0m |       770    .0168831    .1289173          0          1

  married_0m |       770     .138961    .3461307          0          1

     re74_0m |       770    2715.227    5023.254          0    23511.2

     re75_0m |       770     1906.91    3457.936          0    25422.6

    reo74_0m |       770    .5584416    .4968956          0          1

-------------+--------------------------------------------------------

    reo75_0m |       770    .6337662    .4820876          0          1

      age_1m |       770    25.78701    7.047034         17         48

     educ_1m |       770    10.36234     1.99932          4         16

    black_1m |       770    .8480519    .3592039          0          1

     hisp_1m |       770    .0571429    .2322663          0          1

-------------+--------------------------------------------------------

  married_1m |       770    .1831169    .3870137          0          1

     re74_1m |       770    2013.928    4797.812          0    35040.1

     re75_1m |       770     1490.08    3163.206          0    25142.2

    reo74_1m |       770    .6051948    .4891265          0          1

    reo75_1m |       770    .7194805    .4495451          0          1

-------------+--------------------------------------------------------

   pscore_0e |       770    .6888207    .2961833   .0002591   .9870696

   pscore_1e |       770    .6903152    .2957352   .0002061   .9889598

      pscore |       770    .6903152    .2957352   .0002061   .9889598


.

.

. log close

       log:  c:\guido\match\program_06july\lalonde_nonexper_06july25.smcl

  log type:  smcl

 closed on:  24 Jul 2006, 19:33:10

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