CARD.DES id nearc2 nearc4 educ age fatheduc motheduc weight momdad14 sinmom14 step14 reg661 reg662 reg663 reg664 reg665 reg666 reg667 reg668 reg669 south66 black smsa south smsa66 wage enroll KWW IQ married libcrd14 exper lwage expersq Obs: 3010 (max= 9082) 1. id person identifier " 2. nearc2 =1 if near 2 yr college, 1966" " 3. nearc4 =1 if near 4 yr college, 1966" " 4. educ years of schooling, 1976" 5. age in years 6. fatheduc father's schooling 7. motheduc mother's schooling " 8. weight NLS sampling weight, 1976" " 9. momdad14 =1 if live with mom, dad at 14" 10. sinmom14 =1 if with single mom at 14 11. step14 =1 if with step parent at 14 " 12. reg661 =1 for region 1, 1966" " 13. reg662 =1 for region 2, 1966" " 14. reg663 =1 for region 3, 1966" " 15. reg664 =1 for region 4, 1966" " 16. reg665 =1 for region 5, 1966" " 17. reg666 =1 for region 6, 1966" " 18. reg667 =1 for region 7, 1966" " 19. reg668 =1 for region 8, 1966" " 20. reg669 =1 for region 9, 1966" 21. south66 =1 if in south in 1966 22. black =1 if black " 23. smsa =1 in in SMSA, 1976" " 24. south =1 if in south, 1976" " 25. smsa66 =1 if in SMSA, 1966" " 26. wage hourly wage in cents, 1976" " 27. enroll =1 if enrolled in school, 1976" 28. KWW knowledge world of work score 29. IQ IQ score " 30. married =1 if married, 1976" 31. libcrd14 =1 if lib. card in home at 14 32. exper age - educ - 6 33. lwage log(wage) 34. expersq exper^2