Summary statistics for natl1982 dataset : by Jean Roth , jroth@nber.org , 3 Jan 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- datayear | 3,376,813 2 0 2 2 stresexp | 3,376,813 27.38481 14.6557 1 60 reparea | 0 rectype | 3,376,813 1.233429 .4230127 1 2 restatus | 3,376,813 1.261551 .5020463 1 4 -------------+--------------------------------------------------------- stateres | 0 cntyres | 0 cityres | 0 citrspop | 0 smsares | 0 -------------+--------------------------------------------------------- metrores | 0 divres | 3,376,813 4.838582 2.424685 0 9 stsubres | 3,376,813 51.80515 24.61363 0 95 statenat | 0 cntynat | 0 -------------+--------------------------------------------------------- divocc | 3,376,813 4.848319 2.418628 1 9 stsubocc | 3,376,813 51.9059 24.54575 11 95 csex | 3,376,813 1.487686 .4998484 1 2 birattnd | 3,376,813 1.023138 .2322785 1 4 frace | 3,376,813 2.068046 2.568601 0 9 -------------+--------------------------------------------------------- mrace | 3,376,813 1.235476 .7961538 0 9 crace | 3,376,813 1.2264 .6921677 0 8 crace3 | 3,376,813 1.359031 .7440556 1 3 dmage | 3,376,813 25.29471 5.292142 10 49 mage36 | 3,376,813 12.29529 5.290827 1 36 -------------+--------------------------------------------------------- mage15 | 3,376,813 12.13468 3.227766 1 17 mage12 | 3,376,813 8.477693 1.503811 1 13 mage8 | 3,376,813 3.658642 1.096985 1 8 mage7 | 3,376,813 3.658317 1.095846 1 7 mage6 | 3,376,813 2.660976 1.090592 1 6 -------------+--------------------------------------------------------- nlbnl | 3,376,813 1.459394 7.009154 0 99 nlbnd | 3,376,813 .5302855 7.043925 0 99 nlbd | 3,376,813 .8046996 7.334344 0 99 dtotord | 3,376,813 2.809156 7.427615 1 99 totord9 | 3,376,813 2.283294 1.471835 1 9 -------------+--------------------------------------------------------- dlivord | 3,376,813 2.494967 7.041862 1 99 livord9 | 3,376,813 2.026576 1.289812 1 9 livord8 | 3,376,813 2.012391 1.227361 1 8 livord7 | 3,376,813 2.002481 1.186211 1 7 livord6 | 3,376,813 1.979224 1.110678 1 6 -------------+--------------------------------------------------------- livord3 | 3,376,813 1.582353 .503476 1 3 dfage | 3,376,813 37.30356 24.09057 10 99 fage11 | 3,376,813 5.128733 2.510547 1 11 dbirwt | 3,376,813 3355.134 653.2805 227 9999 birwt12 | 3,376,813 7.197499 1.239107 1 12 -------------+--------------------------------------------------------- birwt3 | 3,376,813 1.933891 .2547139 1 3 pldel | 3,376,813 1.012684 .132447 1 9 dplural | 3,376,813 1.020469 .1444359 1 3 plural3 | 3,376,813 1.020469 .1444359 1 3 plural2 | 3,376,813 1.020064 .1402179 1 2 -------------+--------------------------------------------------------- birmon | 3,376,813 6.568268 3.406533 1 12 birday | 3,376,813 15.71571 8.79381 1 99 lmpmon | 3,376,813 9.945827 17.50562 1 99 lmpday | 3,376,813 31.45544 34.03233 1 99 lmpyr | 0 -------------+--------------------------------------------------------- dgestat | 3,376,813 41.9952 12.43938 17 99 gestat10 | 3,376,813 6.95 1.53225 1 10 gestat3 | 3,376,813 1.952397 .363079 1 3 dmeduc | 3,376,813 28.41484 33.6294 0 99 meduc14 | 3,376,813 9.48794 2.954647 1 14 -------------+--------------------------------------------------------- meduc6 | 3,376,813 3.743897 1.427349 1 6 dfeduc | 3,376,813 38.55659 39.39822 0 99 feduc14 | 3,376,813 10.46009 3.070704 1 14 dmar | 3,376,813 1.196243 .4363503 1 9 mar2 | 3,376,813 1.191576 .3935411 1 2 -------------+--------------------------------------------------------- monprec | 0 mpre10 | 3,376,813 2.249055 2.015509 1 10 mpre6 | 3,376,813 1.881191 1.152375 1 6 llbmon | 3,376,813 43.96327 37.53839 1 99 llbyr | 3,376,813 79.13805 5.691409 1 99 -------------+--------------------------------------------------------- disllb | 3,376,813 432.5565 389.7736 0 999 isllb17 | 3,376,813 7.139767 7.319976 0 21 isllb10 | 3,376,813 3.62529 3.603108 0 10 isllb8 | 3,376,813 2.930267 2.869943 0 8 lfdmon | 3,376,813 69.6086 24.62184 1 99 -------------+--------------------------------------------------------- lfdyr | 3,376,813 77.65646 3.364775 2 99 lfdflg | 3,376,813 .1273399 .3333534 0 1 dlfd | 3,376,813 699.6218 255.9036 0 999 dterm | 3,376,813 419.5019 402.4719 0 999 term9 | 3,376,813 3.780136 3.343457 0 9 -------------+--------------------------------------------------------- outcome | 3,376,813 .7930072 .7110661 0 3 mplbir | 3,376,813 30.21521 16.22928 1 99 nprevis | 3,376,813 18.50958 25.70841 0 99 congen | 3,376,813 .0107359 .1030563 0 1 marstrflg | 3,376,813 .9986686 .0364645 0 1 -------------+--------------------------------------------------------- educstrflg | 3,376,813 .8261361 .3789925 0 1 lmprflg | 3,376,813 .9904798 .0971061 0 1 monprerflg | 3,376,813 .9986686 .0364645 0 1 llbrflg | 3,376,813 .9105076 .2854532 0 1 lfdrflg | 3,376,813 .9105076 .2854532 0 1 -------------+--------------------------------------------------------- marsmsarflg | 3,376,813 .7406253 .4382916 0 1 educsmsarflg | 3,376,813 .5857073 .4925996 0 1 congenrflg | 3,376,813 .8808291 .3239896 0 1 nprevisrflg | 3,376,813 .9348747 .2467469 0 1 ethnicrflg | 3,376,813 .8498007 .832183 0 2 -------------+--------------------------------------------------------- omapsrflg | 3,376,813 .8263949 .3787696 0 1 fmapsrflg | 3,376,813 .8278673 .3774958 0 1 marstoflg | 3,376,813 1 0 1 1 educstoflg | 3,376,813 1 0 1 1 lmpoflg | 3,376,813 1 0 1 1 -------------+--------------------------------------------------------- monpreoflg | 3,376,813 1 0 1 1 llboflg | 3,376,813 1 0 1 1 lfdoflg | 3,376,813 1 0 1 1 congenflg | 3,376,813 1 0 1 1 nprevisoflg | 3,376,813 1 0 1 1 -------------+--------------------------------------------------------- ethnicoflg | 3,376,813 .8517265 .8332694 0 2 omapsoflg | 3,376,813 1 0 1 1 fmapsoflg | 3,376,813 1 0 1 1 attend | 3,376,813 1.045105 .3751933 1 9 oterml20 | 3,376,813 13.69763 31.67676 0 99 -------------+--------------------------------------------------------- otermm20 | 3,376,813 13.52288 31.79295 0 99 omaps | 3,376,813 25.43126 35.81413 0 99 omapsr | 3,376,813 3.638635 .9222653 1 5 fmaps | 3,376,813 26.08548 35.25481 0 99 fmapsr | 3,376,813 4.064948 .6027245 1 5 -------------+--------------------------------------------------------- origm | 3,376,813 42.29241 41.88167 0 99 origf | 3,376,813 48.1078 42.8575 0 99 gestimp | 530,107 1 0 1 1 regnres | 3,376,813 2.490882 .9965515 0 4 regnocc | 3,376,813 2.494895 .9924346 1 4 -------------+--------------------------------------------------------- stoccfip | 0 cntocfip | 0 stresfip | 0 cntyrfip | 0 smsarfip | 0 -------------+--------------------------------------------------------- recwt | 3,376,813 1.091401 .2881785 1 2 nprev28 | 3,376,813 12.95937 5.9926 1 28 nprev12 | 3,376,813 6.915214 2.404618 1 12 stnatexp | 3,376,813 27.38947 14.62322 1 52 by Jean Roth , jroth@nber.org , 3 Jan 2016