Summary statistics for sdued2001 dataset : by Jean Roth , jroth@nber.org , 20 Feb 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- utilizatio~e | 0 state | 0 labelercode | 0 productcode | 0 packagesize | 0 -------------+--------------------------------------------------------- year | 2,489,998 2001 0 2001 2001 quarter | 2,489,998 2.491035 1.116934 1 4 productname | 0 suppressio~d | 0 unitsreimb~d | 1,301,371 50011.39 559947.4 0 1.03e+08 -------------+--------------------------------------------------------- numberofpr~s | 1,301,371 744.3908 7560.285 11 942231 totalamoun~d | 1,301,371 39244.93 674425.5 .01 1.67e+08 medicaidam~d | 1,301,371 5099.51 146691.3 0 5.76e+07 nonmedicai~d | 1,301,371 17.68398 2364.653 0 858387.8 quarterbegin | 0 -------------+--------------------------------------------------------- quarterbeg~e | 0 latitude | 2,343,745 39.09706 5.458119 21.1098 61.385 longitude | 2,343,745 -91.23247 17.14379 -157.5311 -69.3977 location | 0 ndc | 0 by Jean Roth , jroth@nber.org , 20 Feb 2018