Summary statistics for hosp_alpha2552_96_1996_long dataset : by Jean Roth , jroth@nber.org , 3 Sep 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- rpt_rec_num | 670,885 57977.95 64055.5 7 309267 wksht_cd | 0 line_num | 0 clmn_num | 0 alphnmrc_i~t | 0 by Jean Roth , jroth@nber.org , 3 Sep 2018