Summary statistics for hha_nmrc1728_94_1997_long dataset : by Jean Roth , jroth@nber.org , 23 Aug 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- rpt_rec_num | 2,000,480 45394.52 28473.41 12 209781 wksht_cd | 0 line_num | 0 clmn_num | 0 itm_val_num | 2,000,480 1.00e+07 1.65e+09 -3.06e+08 1.00e+12 by Jean Roth , jroth@nber.org , 23 Aug 2018