Summary statistics for icd9toicd10cmgem dataset : by Jean Roth , jroth@nber.org , 11 May 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- icd9cm | 0 icd10cm | 0 flags | 0 approximate | 23,912 .8522499 .3548595 0 1 no_map | 23,912 .0177735 .13213 0 1 -------------+--------------------------------------------------------- combination | 23,912 .0945132 .2925475 0 1 scenario | 23,912 .1166778 .4195302 0 6 choice_list | 23,912 .1490883 .4859061 0 3 by Jean Roth , jroth@nber.org , 11 May 2016