Summary statistics for a7_1_c3_8 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_1_c3_8 | 164 3.03e+07 3.42e+08 -2.92e+07 4.38e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018