Summary statistics for csts_chrgs2552_96_1998 dataset : by Jean Roth , jroth@nber.org , 6 Sep 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- provider | 0 prvdr_num | 0 fyb | 6,209 13942.12 110.4482 13788 14151 fybstr | 0 fye | 6,209 14290.3 123.0586 13842 14578 -------------+--------------------------------------------------------- fyestr | 0 status | 0 costs | 5,182 5.19e+07 7.56e+07 1203 1.26e+09 ip_charges | 6,203 6.95e+07 1.22e+08 1 1.78e+09 op_charges | 5,814 3.29e+07 4.77e+07 28 5.79e+08 by Jean Roth , jroth@nber.org , 6 Sep 2018