Summary statistics for csts_chrgs2552_96_2010 dataset : by Jean Roth , jroth@nber.org , 6 Sep 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- provider | 0 prvdr_num | 0 fyb | 3,803 18247.69 57.38659 18171 18519 fybstr | 0 fye | 3,803 18601.15 60.14501 18215 18747 -------------+--------------------------------------------------------- fyestr | 0 status | 0 costs | 3,383 1.04e+08 1.65e+08 1 2.74e+09 ip_charges | 3,798 2.00e+08 3.98e+08 3000 6.06e+09 op_charges | 3,583 1.43e+08 2.26e+08 73 3.13e+09 by Jean Roth , jroth@nber.org , 6 Sep 2018