Contains data from nls81_87.dta obs: 3,710 vars: 20 7 Nov 2001 15:37 size: 126,140 (87.5% of memory free) ------------------------------------------------------------------------------- storage display value variable name type format label variable label ------------------------------------------------------------------------------- id int %9.0g identifier year byte %9.0g 81 to 87 wage float %9.0g annual wage, 1987 $ educ byte %9.0g years of schooling exper byte %9.0g years work experience manuf byte %9.0g =1 if in manufacturing black byte %9.0g =1 if black lwage float %9.0g log(wage) y81 byte %9.0g =1 if year == 81 y82 byte %9.0g y83 byte %9.0g y84 byte %9.0g y85 byte %9.0g y86 byte %9.0g y87 byte %9.0g inlf byte %9.0g =1 if in labor force expersq byte %9.0g exper^2 lwage_1 float %9.0g lwage[_n-1] if year > 81 inlf_1 byte %9.0g inlf[_n-1] if year > 81 inlfp1 byte %9.0g inlf[_n+1] if year < 87 ------------------------------------------------------------------------------- Sorted by: id year