Summary statistics for g_c1thru4_27 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_27 | 66 1.05e+07 1.78e+07 -4089007 1.03e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018