Frequencies for first 10,000 rows of explanation_code variable in nadac20161123 dataset : Codes that | pertain to | how the | NADAC was | calculated | Freq. Percent Cum. ------------+----------------------------------- 1 | 6,428 64.28 64.28 1, 5 | 1,046 10.46 74.74 1, 5, 6 | 90 0.90 75.64 1, 6 | 409 4.09 79.73 2 | 529 5.29 85.02 2, 5 | 201 2.01 87.03 2, 5, 6 | 47 0.47 87.50 2, 6 | 57 0.57 88.07 3 | 11 0.11 88.18 3, 5 | 9 0.09 88.27 3, 5, 6 | 6 0.06 88.33 3, 6 | 21 0.21 88.54 4 | 682 6.82 95.36 4, 5 | 351 3.51 98.87 4, 5, 6 | 39 0.39 99.26 4, 6 | 74 0.74 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 10 Feb 2018