Summary statistics for icd9toicd10gem dataset : by Jean Roth , jroth@nber.org , 11 May 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- icd9cm | 0 icd10cm | 0 flags | 0 approximate | 93,278 .9616201 .1921127 0 1 no_map | 93,278 .0068076 .0822273 0 1 -------------+--------------------------------------------------------- combination | 93,278 .0581166 .2339651 0 1 scenario | 93,278 .0862583 .4268351 0 8 choice_list | 93,278 .0925835 .4035772 0 9 by Jean Roth , jroth@nber.org , 11 May 2016