Summary statistics for a7_1_c3_1 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a7_1_c3_1 | 19 1.17e+07 4.51e+07 -92237 1.98e+08 by Jean Roth , jroth@nber.org , 24 Aug 2018