Summary statistics for csts_chrgs2552_96_2011 dataset : by Jean Roth , jroth@nber.org , 6 Sep 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- provider | 0 prvdr_num | 0 fyb | 28 18574.21 43.12459 18536 18653 fybstr | 0 fye | 28 18659.18 52.76717 18566 18745 -------------+--------------------------------------------------------- fyestr | 0 status | 0 costs | 27 1.40e+07 1.48e+07 907983 5.81e+07 ip_charges | 28 3.86e+07 5.13e+07 628920 1.71e+08 op_charges | 26 2.35e+07 2.94e+07 8799 9.02e+07 by Jean Roth , jroth@nber.org , 6 Sep 2018