Frequencies for first 10,000 rows of clia_lab_classification_cd_3 variable in p CLIA_LAB_CL | ASSIFICATIO | N_CD_3 | Freq. Percent Cum. ------------+----------------------------------- 0 | 6,400 64.00 64.00 5 | 14 0.14 64.14 . | 3,586 35.86 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 26 Jan 2016