Summary statistics for csts_chrgs2552_10_2011 dataset : by Jean Roth , jroth@nber.org , 7 Mar 2019 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- provider | 0 prvdr_num | 0 fyb | 6,079 18686.73 107.1286 18536 18900 fybstr | 0 fye | 6,079 19046.9 109.8264 18747 19266 -------------+--------------------------------------------------------- fyestr | 0 status | 0 costs | 5,149 1.19e+08 1.86e+08 2163 2.88e+09 ip_charges | 6,074 2.22e+08 4.50e+08 1 7.79e+09 op_charges | 5,613 1.72e+08 2.86e+08 76 4.93e+09 by Jean Roth , jroth@nber.org , 7 Mar 2019