Summary statistics for csts_chrgs2552_10_2015 dataset : by Jean Roth , jroth@nber.org , 7 Mar 2019 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- provider | 0 prvdr_num | 0 fyb | 6,178 20151.28 108.2447 19997 20361 fybstr | 0 fye | 6,178 20507.47 116.3879 20047 20727 -------------+--------------------------------------------------------- fyestr | 0 status | 0 costs | 5,012 1.43e+08 2.33e+08 584390 3.75e+09 ip_charges | 6,177 2.74e+08 5.79e+08 30 9.68e+09 op_charges | 5,609 2.56e+08 4.43e+08 33 6.90e+09 by Jean Roth , jroth@nber.org , 7 Mar 2019