Summary statistics for g_c1thru4_30 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_30 | 5,897 7.13e+07 1.53e+08 -1.11e+07 2.87e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018