Summary statistics for csts_chrgs2552_96_2008 dataset : by Jean Roth , jroth@nber.org , 6 Sep 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- provider | 0 prvdr_num | 0 fyb | 6,145 17592.66 107.9608 17440 17804 fybstr | 0 fye | 6,145 17947.83 115.0234 17478 18170 -------------+--------------------------------------------------------- fyestr | 0 status | 0 costs | 5,475 9.98e+07 1.56e+08 1 2.47e+09 ip_charges | 6,141 1.87e+08 3.72e+08 1 6.58e+09 op_charges | 5,726 1.23e+08 1.99e+08 90 3.22e+09 by Jean Roth , jroth@nber.org , 6 Sep 2018