Summary statistics for csts_chrgs2552_10_2012 dataset : by Jean Roth , jroth@nber.org , 7 Mar 2019 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- provider | 0 prvdr_num | 0 fyb | 6,129 19052.76 107.7308 18901 19266 fybstr | 0 fye | 6,129 19410.9 112.0617 18992 19631 -------------+--------------------------------------------------------- fyestr | 0 status | 0 costs | 5,040 1.26e+08 1.97e+08 155817 3.07e+09 ip_charges | 6,126 2.31e+08 4.76e+08 480 7.93e+09 op_charges | 5,649 1.89e+08 3.18e+08 17 5.12e+09 by Jean Roth , jroth@nber.org , 7 Mar 2019