Summary statistics for g_c1thru4_47 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_47 | 2,625 4.15e+07 1.09e+08 -1.09e+09 1.74e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018