Frequencies for first 10,000 rows of clia_lab_classification_cd_8 variable in posclia2018 dataset : CLIA_LAB_CL | ASSIFICATIO | N_CD_8 | Freq. Percent Cum. ------------+----------------------------------- 0 | 2,576 25.76 25.76 5 | 2 0.02 25.78 . | 7,422 74.22 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 15 Feb 2019