Summary statistics for s3_2_c4_7 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_2_c4_7 | 733 6194413 1.05e+07 417 8.13e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018