Summary statistics for csts_chrgs2552_10_2018 dataset : by Jean Roth , jroth@nber.org , 7 Mar 2019 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- provider | 0 prvdr_num | 0 fyb | 97 21162.9 62.11993 21093 21305 fybstr | 0 fye | 97 21314.44 71.0415 21136 21457 -------------+--------------------------------------------------------- fyestr | 0 status | 0 costs | 87 4.96e+07 7.31e+07 1298111 5.12e+08 ip_charges | 96 1.28e+08 2.30e+08 305911 1.65e+09 op_charges | 92 1.31e+08 1.83e+08 210 9.61e+08 by Jean Roth , jroth@nber.org , 7 Mar 2019