Summary statistics for csts_chrgs2552_96_1995 dataset : by Jean Roth , jroth@nber.org , 6 Sep 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- provider | 0 prvdr_num | 0 fyb | 2 13027 0 13027 13027 fybstr | 0 fye | 2 13422 0 13422 13422 -------------+--------------------------------------------------------- fyestr | 0 status | 0 costs | 2 1.19e+07 1.15e+07 3835610 2.01e+07 ip_charges | 2 1.75e+07 2.02e+07 3192148 3.17e+07 op_charges | 2 1.12e+07 1.04e+07 3841081 1.86e+07 by Jean Roth , jroth@nber.org , 6 Sep 2018