Summary statistics for icd10toicd9gem dataset : by Jean Roth , jroth@nber.org , 11 May 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- icd10cm | 0 icd9cm | 0 flags | 0 approximate | 161,409 .9778203 .147268 0 1 no_map | 161,409 .0041448 .0642464 0 1 -------------+--------------------------------------------------------- combination | 161,409 .0857635 .2800154 0 1 scenario | 161,409 .0864946 .283901 0 4 choice_list | 161,409 .1466089 .531046 0 6 by Jean Roth , jroth@nber.org , 11 May 2016