Summary statistics for c_1_c7_51 variable in hosp_rollup2552_96_2009 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- c_1_c7_51 | 2,536 751675.9 3923686 42 1.83e+08 by Jean Roth , jroth@nber.org , 21 Apr 2018