Summary statistics for a7_1_c1_5 variable in prds_hosp10_yr2011 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_1_c1_5 | 3,630 1.81e+07 4.41e+07 -3.42e+07 7.04e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018