Summary statistics for medmsdrg0to992007_2014 dataset : by Jean Roth , jroth@nber.org , 14 Mar 2018 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- msdrg_cd | 0 year | 6,112 2010.5 2.291475 2007 2014 label | 0 nrecs | 6,082 16079.42 43894.6 0 708438 nppl_any | 6,082 14591.71 37951.44 0 583843 by Jean Roth , jroth@nber.org , 14 Mar 2018