Summary statistics for g_c1thru4_23 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_23 | 1,862 4.51e+07 8.07e+07 -1245808 9.99e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018