Summary statistics for csts_chrgs2552_10_2014 dataset : by Jean Roth , jroth@nber.org , 7 Mar 2019 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- provider | 0 prvdr_num | 0 fyb | 6,179 19784.57 107.7018 19632 19994 fybstr | 0 fye | 6,179 20140.29 115.2691 19692 20361 -------------+--------------------------------------------------------- fyestr | 0 status | 0 costs | 5,037 1.34e+08 2.16e+08 28 3.53e+09 ip_charges | 6,178 2.53e+08 5.35e+08 450 8.63e+09 op_charges | 5,639 2.27e+08 3.90e+08 27 5.63e+09 by Jean Roth , jroth@nber.org , 7 Mar 2019