Summary statistics for natl1985 dataset : by Jean Roth , jroth@nber.org , 3 Jan 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- datayear | 3,765,064 5 0 5 5 stresexp | 3,765,064 25.35306 15.30682 1 60 reparea | 0 rectype | 3,765,064 1.229394 .4204431 1 2 restatus | 3,765,064 1.256884 .4982632 1 4 -------------+--------------------------------------------------------- stateres | 0 cntyres | 0 cityres | 0 citrspop | 0 smsares | 0 -------------+--------------------------------------------------------- metrores | 0 divres | 3,765,064 5.125855 2.551084 0 9 stsubres | 3,765,064 54.75952 25.81886 0 95 statenat | 0 cntynat | 0 -------------+--------------------------------------------------------- divocc | 3,765,064 5.135142 2.54522 1 9 stsubocc | 3,765,064 54.8583 25.75269 11 95 csex | 3,765,064 1.487315 .4998391 1 2 birattnd | 3,765,064 1.021787 .2247765 1 4 frace | 3,765,064 2.135545 2.64013 0 9 -------------+--------------------------------------------------------- mrace | 3,765,064 1.251325 .8536184 0 9 crace | 3,765,064 1.247043 .7744944 0 8 crace3 | 3,765,064 1.365919 .7450817 1 3 dmage | 3,765,064 25.81694 5.418064 10 49 mage36 | 3,765,064 12.81753 5.416689 1 36 -------------+--------------------------------------------------------- mage15 | 3,765,064 12.39124 3.169136 1 17 mage12 | 3,765,064 8.598312 1.505643 1 13 mage8 | 3,765,064 3.763 1.120175 1 8 mage7 | 3,765,064 3.76269 1.119141 1 7 mage6 | 3,765,064 2.765405 1.113634 1 6 -------------+--------------------------------------------------------- nlbnl | 3,765,064 1.530955 7.421383 0 99 nlbnd | 3,765,064 .6122427 7.609419 0 99 nlbd | 3,765,064 .8753976 7.61942 0 99 dtotord | 3,765,064 2.919677 7.899623 1 99 totord9 | 3,765,064 2.324092 1.489504 1 9 -------------+--------------------------------------------------------- dlivord | 3,765,064 2.585478 7.584933 1 99 livord9 | 3,765,064 2.04086 1.291596 1 9 livord8 | 3,765,064 2.026618 1.228266 1 8 livord7 | 3,765,064 2.016432 1.1855 1 7 livord6 | 3,765,064 1.99351 1.11049 1 6 -------------+--------------------------------------------------------- livord3 | 3,765,064 1.592576 .5034111 1 3 dfage | 3,765,064 38.30989 24.48184 10 99 fage11 | 3,765,064 5.274271 2.530051 1 11 dbirwt | 3,765,064 3358.772 645.8033 227 9999 birwt12 | 3,765,064 7.207902 1.243214 1 12 -------------+--------------------------------------------------------- birwt3 | 3,765,064 1.933855 .253534 1 3 pldel | 3,765,064 1.013789 .1764225 1 9 dplural | 3,765,064 1.021527 .1486182 1 3 plural3 | 3,765,064 1.021527 .1486182 1 3 plural2 | 3,765,064 1.021015 .1434326 1 2 -------------+--------------------------------------------------------- birmon | 3,765,064 6.576129 3.41005 1 12 birday | 3,765,064 15.7483 8.785668 1 99 lmpmon | 3,765,064 9.517727 16.43735 1 99 lmpday | 3,765,064 30.83099 33.5354 1 99 lmpyr | 0 -------------+--------------------------------------------------------- dgestat | 3,765,064 41.63859 11.8386 17 99 gestat10 | 3,765,064 6.886581 1.512218 1 10 gestat3 | 3,765,064 1.944809 .3598142 1 3 dmeduc | 3,765,064 33.08411 36.81212 0 99 meduc14 | 3,765,064 9.878679 3.025342 1 14 -------------+--------------------------------------------------------- meduc6 | 3,765,064 3.935519 1.470371 1 6 dfeduc | 3,765,064 43.28316 41.09221 0 99 feduc14 | 3,765,064 10.79571 3.042488 1 14 dmar | 3,765,064 1.222606 .4369051 1 9 mar2 | 3,765,064 1.220058 .4142858 1 2 -------------+--------------------------------------------------------- monprec | 0 mpre10 | 3,765,064 2.246182 2.041273 1 10 mpre6 | 3,765,064 1.870692 1.163522 1 6 llbmon | 3,765,064 43.17201 37.54694 1 99 llbyr | 3,765,064 80.69259 5.689403 1 99 -------------+--------------------------------------------------------- disllb | 3,765,064 424.719 389.5032 0 999 isllb17 | 3,765,064 7.268641 7.306693 0 21 isllb10 | 3,765,064 3.696088 3.602992 0 10 isllb8 | 3,765,064 2.988547 2.870279 0 8 lfdmon | 3,765,064 69.4658 25.18464 1 99 -------------+--------------------------------------------------------- lfdyr | 3,765,064 78.3439 4.082251 1 99 lfdflg | 3,765,064 .1319587 .3384459 0 1 dlfd | 3,765,064 698.3536 261.1308 0 999 dterm | 3,765,064 417.7107 404.1433 0 999 term9 | 3,765,064 3.888598 3.362059 0 9 -------------+--------------------------------------------------------- outcome | 3,765,064 .8218968 .730926 0 3 mplbir | 3,765,064 29.88075 17.05953 1 99 nprevis | 3,765,064 23.9726 31.7645 0 99 congen | 3,765,064 .0107379 .1030662 0 1 marstrflg | 3,765,064 .998804 .0345625 0 1 -------------+--------------------------------------------------------- educstrflg | 3,765,064 .7732182 .4187504 0 1 lmprflg | 3,765,064 .998804 .0345625 0 1 monprerflg | 3,765,064 .998804 .0345625 0 1 llbrflg | 3,765,064 .9169557 .2759492 0 1 lfdrflg | 3,765,064 .9169557 .2759492 0 1 -------------+--------------------------------------------------------- marsmsarflg | 3,765,064 .7664319 .4231006 0 1 educsmsarflg | 3,765,064 .5591921 .496484 0 1 congenrflg | 3,765,064 .824182 .3806653 0 1 nprevisrflg | 3,765,064 .8737195 .3321652 0 1 ethnicrflg | 3,765,064 .9273933 .8374204 0 2 -------------+--------------------------------------------------------- omapsrflg | 3,765,064 .7752036 .4174483 0 1 fmapsrflg | 3,765,064 .7752036 .4174483 0 1 marstoflg | 3,765,064 1 0 1 1 educstoflg | 3,765,064 1 0 1 1 lmpoflg | 3,765,064 1 0 1 1 -------------+--------------------------------------------------------- monpreoflg | 3,765,064 1 0 1 1 llboflg | 3,765,064 1 0 1 1 lfdoflg | 3,765,064 1 0 1 1 congenflg | 3,765,064 1 0 1 1 nprevisoflg | 3,765,064 1 0 1 1 -------------+--------------------------------------------------------- ethnicoflg | 3,765,064 .9341963 .8375014 0 2 omapsoflg | 3,765,064 1 0 1 1 fmapsoflg | 3,765,064 1 0 1 1 attend | 3,765,064 1.045884 .3168659 1 9 oterml20 | 3,765,064 12.65364 30.62579 0 99 -------------+--------------------------------------------------------- otermm20 | 3,765,064 12.44272 30.73092 0 99 omaps | 3,765,064 29.4405 38.64671 0 99 omapsr | 3,765,064 3.697696 .9509934 1 5 fmaps | 3,765,064 30.23521 38.22704 0 99 fmapsr | 3,765,064 4.12253 .6170446 1 5 -------------+--------------------------------------------------------- origm | 3,765,064 38.18406 41.51309 0 99 origf | 3,765,064 44.35055 43.09488 0 99 gestimp | 573,896 1 0 1 1 regnres | 3,765,064 2.60575 1.034609 0 4 regnocc | 3,765,064 2.609759 1.030749 1 4 -------------+--------------------------------------------------------- stoccfip | 0 cntocfip | 0 stresfip | 0 cntyrfip | 0 smsarfip | 0 -------------+--------------------------------------------------------- recwt | 3,765,064 1 0 1 1 nprev28 | 3,765,064 14.14007 6.852457 1 28 nprev12 | 3,765,064 7.341774 2.635071 1 12 stnatexp | 3,765,064 25.32359 15.29163 1 52 by Jean Roth , jroth@nber.org , 3 Jan 2016