Frequencies for first 10,000 rows of lat variable in nsrd dataset : Latitude | Freq. Percent Cum. ------------+----------------------------------- 58.08333 | 260 2.60 2.60 60.11667 | 260 2.60 5.20 60.36667 | 260 2.60 7.80 60.58333 | 260 2.60 10.40 60.76667 | 260 2.60 13.00 60.78333 | 260 2.60 15.60 61.13333 | 260 2.60 18.20 61.18333 | 260 2.60 20.80 61.21667 | 260 2.60 23.40 61.25 | 260 2.60 26.00 61.51667 | 260 2.60 28.60 61.58333 | 260 2.60 31.20 61.6 | 260 2.60 33.80 61.98333 | 260 2.60 36.40 62.06667 | 260 2.60 39.00 62.15 | 260 2.60 41.60 62.31667 | 260 2.60 44.20 62.78333 | 260 2.60 46.80 62.88333 | 260 2.60 49.40 62.95 | 260 2.60 52.00 62.96667 | 120 1.20 53.20 63.78333 | 260 2.60 55.80 63.88333 | 780 7.80 63.60 64 | 260 2.60 66.20 64.51667 | 260 2.60 68.80 64.55 | 260 2.60 71.40 64.65 | 260 2.60 74.00 64.81667 | 260 2.60 76.60 65.16666 | 260 2.60 79.20 66.26667 | 260 2.60 81.80 66.56667 | 260 2.60 84.40 66.88333 | 260 2.60 87.00 66.91666 | 260 2.60 89.60 67.1 | 260 2.60 92.20 68.35 | 260 2.60 94.80 70.2 | 260 2.60 97.40 71.31667 | 260 2.60 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 15 Jun 2016