Summary statistics for s3_2_c4_30 variable in prds_hosp10_yr2012 dataset : Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- s3_2_c4_30 | 3,264 1087121 1951914 -1875 5.59e+07 by Jean Roth , jroth@nber.org , 24 Aug 2018