Summary statistics for csts_chrgs2552_96_2001 dataset : by Jean Roth , jroth@nber.org , 6 Sep 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- provider | 0 prvdr_num | 0 fyb | 6,057 15038.57 109.8565 14884 15248 fybstr | 0 fye | 6,057 15385.04 120.8845 14930 15674 -------------+--------------------------------------------------------- fyestr | 0 status | 0 costs | 4,959 6.65e+07 9.71e+07 1 1.50e+09 ip_charges | 6,055 9.71e+07 1.82e+08 1 2.42e+09 op_charges | 5,759 4.98e+07 7.63e+07 1 9.25e+08 by Jean Roth , jroth@nber.org , 6 Sep 2018