Frequencies for first 10,000 rows of cpsum variable in nhamcsopd2009 dataset : clustered | cpsu marker | -- masked | Freq. Percent Cum. ------------+----------------------------------- 5 | 341 3.41 3.41 7 | 51 0.51 3.92 8 | 288 2.88 6.80 10 | 163 1.63 8.43 11 | 160 1.60 10.03 17 | 138 1.38 11.41 18 | 149 1.49 12.90 20 | 136 1.36 14.26 22 | 155 1.55 15.81 26 | 173 1.73 17.54 27 | 159 1.59 19.13 30 | 200 2.00 21.13 31 | 232 2.32 23.45 33 | 339 3.39 26.84 34 | 74 0.74 27.58 36 | 144 1.44 29.02 38 | 84 0.84 29.86 40 | 345 3.45 33.31 44 | 300 3.00 36.31 45 | 126 1.26 37.57 100001 | 155 1.55 39.12 100002 | 340 3.40 42.52 100006 | 114 1.14 43.66 100007 | 310 3.10 46.76 100011 | 294 2.94 49.70 100012 | 155 1.55 51.25 100014 | 118 1.18 52.43 100016 | 100 1.00 53.43 100017 | 177 1.77 55.20 100018 | 303 3.03 58.23 100020 | 312 3.12 61.35 100021 | 450 4.50 65.85 100028 | 87 0.87 66.72 100029 | 160 1.60 68.32 100030 | 95 0.95 69.27 100031 | 29 0.29 69.56 100032 | 317 3.17 72.73 100033 | 231 2.31 75.04 100034 | 82 0.82 75.86 100035 | 24 0.24 76.10 100038 | 212 2.12 78.22 100039 | 195 1.95 80.17 100042 | 206 2.06 82.23 100044 | 98 0.98 83.21 100045 | 212 2.12 85.33 100047 | 95 0.95 86.28 100049 | 117 1.17 87.45 100050 | 284 2.84 90.29 100051 | 62 0.62 90.91 100052 | 93 0.93 91.84 100055 | 33 0.33 92.17 100056 | 208 2.08 94.25 100057 | 168 1.68 95.93 100060 | 9 0.09 96.02 100061 | 283 2.83 98.85 100064 | 115 1.15 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016