Frequencies for first 10,000 rows of cpsum variable in nhamcsopd2008 dataset : clustered | cpsu marker | -- masked | Freq. Percent Cum. ------------+----------------------------------- 5 | 182 1.82 1.82 6 | 309 3.09 4.91 7 | 91 0.91 5.82 10 | 105 1.05 6.87 13 | 81 0.81 7.68 14 | 243 2.43 10.11 15 | 112 1.12 11.23 18 | 216 2.16 13.39 19 | 280 2.80 16.19 20 | 630 6.30 22.49 21 | 186 1.86 24.35 24 | 138 1.38 25.73 26 | 510 5.10 30.83 27 | 89 0.89 31.72 28 | 110 1.10 32.82 30 | 155 1.55 34.37 33 | 140 1.40 35.77 34 | 61 0.61 36.38 36 | 311 3.11 39.49 38 | 180 1.80 41.29 39 | 290 2.90 44.19 40 | 200 2.00 46.19 41 | 96 0.96 47.15 44 | 79 0.79 47.94 100004 | 309 3.09 51.03 100005 | 107 1.07 52.10 100009 | 390 3.90 56.00 100011 | 291 2.91 58.91 100013 | 130 1.30 60.21 100017 | 283 2.83 63.04 100023 | 294 2.94 65.98 100024 | 86 0.86 66.84 100025 | 188 1.88 68.72 100026 | 237 2.37 71.09 100028 | 152 1.52 72.61 100029 | 111 1.11 73.72 100032 | 142 1.42 75.14 100034 | 310 3.10 78.24 100036 | 353 3.53 81.77 100037 | 310 3.10 84.87 100039 | 162 1.62 86.49 100040 | 161 1.61 88.10 100041 | 103 1.03 89.13 100045 | 362 3.62 92.75 100046 | 155 1.55 94.30 100047 | 229 2.29 96.59 100052 | 156 1.56 98.15 100054 | 185 1.85 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 28 Mar 2016