Summary statistics for a7_1_c6_7 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_1_c6_7 | 1,125 6104217 4.01e+07 -6808428 1.29e+09 by Jean Roth , jroth@nber.org , 24 Aug 2018