Summary statistics for a_c6_22 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c6_22 | 614 -1493894 1.15e+07 -1.25e+08 9.01e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018