Frequencies for first 10,000 rows of clia_lab_classification_cd_1 variable in p CLIA_LAB_CL | ASSIFICATIO | N_CD_1 | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,328 93.28 93.28 5 | 281 2.81 96.09 10 | 15 0.15 96.24 . | 376 3.76 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016