Summary statistics for csts_chrgs2552_96_2000 dataset : by Jean Roth , jroth@nber.org , 6 Sep 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- provider | 0 prvdr_num | 0 fyb | 6,087 22012.22 14561.46 14610 51130 fybstr | 0 fye | 6,087 15159.06 2218.375 14613 51134 -------------+--------------------------------------------------------- fyestr | 0 status | 0 costs | 5,069 5.98e+07 8.78e+07 360 1.40e+09 ip_charges | 6,083 8.58e+07 1.58e+08 1 2.16e+09 op_charges | 5,789 4.28e+07 6.47e+07 1 7.40e+08 by Jean Roth , jroth@nber.org , 6 Sep 2018