Frequencies for first 10,000 rows of no_map variable in icd10cmtoicd9gem dataset : No Map | Flag-No | ICD-9 code | for the | ICD-10 code | Freq. Percent Cum. ------------+----------------------------------- 0 | 10,000 100.00 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 11 May 2016