Summary statistics for csts_chrgs2552_96_1997 dataset : by Jean Roth , jroth@nber.org , 6 Sep 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- provider | 0 prvdr_num | 0 fyb | 6,299 13576.86 110.5173 13423 13785 fybstr | 0 fye | 6,299 13923.3 122.5051 13456 14152 -------------+--------------------------------------------------------- fyestr | 0 status | 0 costs | 5,160 4.89e+07 6.92e+07 1 6.85e+08 ip_charges | 6,296 6.49e+07 1.12e+08 1 1.45e+09 op_charges | 5,745 2.84e+07 4.21e+07 6 8.27e+08 by Jean Roth , jroth@nber.org , 6 Sep 2018