Summary statistics for icd10cmtoicd9gem dataset : by Jean Roth , jroth@nber.org , 11 May 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- icd10cm | 0 icd9cm | 0 flags | 0 approximate | 78,838 .9551866 .2068954 0 1 no_map | 78,838 .0084858 .0917271 0 1 -------------+--------------------------------------------------------- combination | 78,838 .0999264 .2999038 0 1 scenario | 78,838 .1014232 .3072212 0 4 choice_list | 78,838 .150359 .4796511 0 4 by Jean Roth , jroth@nber.org , 11 May 2016