Summary statistics for a_c1_51 variable in hosp_rollup2552_96_2008 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- a_c1_51 | 2,456 415914.3 682427.9 -7069 1.72e+07 by Jean Roth , jroth@nber.org , 21 Apr 2018