Summary statistics for g_c1thru4_2 variable in prds_hosp10_yr2010 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- g_c1thru4_2 | 565 2.21e+07 6.22e+07 -4295234 7.99e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018