[1] 24341.681 NA NA 22114.190 NA NA [7] 57349.470 14160.494 49677.749 42105.917 10221.747 15339.988 [13] 70624.102 23883.825 28552.864 18801.370 19438.673 NA [19] 19607.970 16032.845 NA 50350.112 15969.078 29582.848 [25] 15201.456 12980.541 9937.867 9599.415 49245.963 23846.751 [31] 53805.661 53326.467 NA 15554.977 18544.119 NA [37] NA 82492.318 17909.041 38694.503 80303.181 19592.802 [43] 10614.785 29560.809 71658.477 NA 83961.661 NA [49] 26284.040 21766.002 63571.873 5480.255 33917.314 22778.032 [55] 13819.165 21154.149 17635.099 14577.594 NA 14032.340 [61] 30231.694 NA 11293.886 72743.800 23679.901 64258.574 [67] 14931.085 16323.818 NA NA NA 7599.703 [73] NA NA NA NA 46920.035 70529.031 [79] 9484.528 NA 68340.494 44959.626 NA 48249.486 [85] 11730.174 NA 52295.177 NA NA NA [91] 40358.292 38891.137 30878.439 19125.425 NA NA [97] 8697.216 19627.357 NA NA 13411.390 33157.499 [103] 10874.733 24554.930 16819.494 18421.449 NA 19645.723 [109] 38206.241 53196.019 22346.109 NA 22685.103 NA [115] 13613.983 34685.790 NA 18654.525 NA 101482.428 [121] 89149.257 NA 20820.837 NA 22232.852 59702.598 [127] NA 16321.774 22748.880 NA NA NA [133] NA 25987.768 49818.253 13106.766 NA 32112.443 [139] NA 16984.463 10859.926 93973.020 52342.265 19151.788 [145] NA 13954.186 NA 15021.820 35933.327 140435.607 [151] 20467.332 23869.639 NA NA 15211.979 57098.945 [157] 23588.700 27381.008 85932.513 NA 9331.295 NA [163] NA 32005.502 16613.444 7904.857 NA 26352.263 [169] 19880.480 15543.679 15493.654 13546.034 NA 36095.081 [175] 42437.608 NA NA 51637.913 NA 44120.181 [181] 9535.583 59840.348 NA NA NA 44822.176 [187] 14232.684 34751.496 11292.437 NA NA NA [193] 22002.082 19554.166 13223.770 NA NA 68935.505 [199] 9172.206 90096.476 25796.762 50594.426 61952.966 20132.528 [205] NA 13979.439 15481.074 12104.000 21789.436 54009.090 [211] 13812.364 8071.939 21144.506 44097.848 16250.303 70065.996 [217] 11170.349 22826.560 40885.088 17292.043 18394.391 50267.629 [223] 70791.032 28464.276 41431.346 NA 14242.918 NA [229] NA 52014.366 32865.058 NA 11906.150 17964.362 [235] 14844.497 13079.836 76048.107 18843.875 NA 30737.511 [241] 37983.026 18711.957 22636.970 29868.755 42799.606 NA [247] 43632.463 103600.943 NA NA 10330.761 23659.805 [253] 19126.024 17175.845 28017.230 54437.041 NA 20657.057 [259] 13275.051 NA 8222.362 NA 108964.075 NA [265] 5845.741 26356.588 NA 59636.239 14857.582 45043.701 [271] 47427.024 NA NA 11807.182 27575.709 18177.367 [277] NA 22108.648 33908.940 NA NA NA [283] NA 45862.941 23366.240 16165.694 10263.470 NA [289] 24026.928 33497.651 NA 15770.110 48190.121 33107.401 [295] 20523.437 21387.730 15771.706 12632.938 28352.199 10401.651 [301] 41162.369 16740.472 29576.590 28831.907 21622.906 NA [307] 26736.709 18663.882 10872.689 13072.222 35308.681 17145.703 [313] 19620.530 1550.370 NA 11509.202 16574.358 94984.150 [319] 9448.048 56370.430 NA 47899.078 27521.456 24907.229 [325] 12800.024 34456.895 NA 19137.794 9084.302 NA [331] 20396.019 7636.822 15452.482 NA 11482.576 NA [337] 21323.042 17062.973 24482.018 19394.529 61929.256 NA [343] 29113.203 53044.431 17891.216 21665.733 21611.857 13917.623 [349] 21715.000 NA 10525.601 31777.548 45932.499 16396.801 [355] NA 21020.829 9499.589 NA 11886.269 13597.168 [361] NA 32610.060 50496.496 23180.857 20838.975 27426.143 [367] 51655.501 52241.022 27527.983 40947.425 26691.614 23152.573 [373] 43419.737 44236.593 60396.602 15878.961 70561.697 17374.235 [379] 10332.362 34844.884 NA 43839.492 NA 10259.928 [385] 24344.124 NA 23490.643 15151.289 40052.674 31011.453 [391] NA 36300.595 28716.671 21434.730 NA 27977.292 [397] 13912.492 NA NA 45387.391 21638.866 12782.316 [403] NA NA NA 74279.377 19250.194 19647.872 [409] 39022.265 NA NA 9446.876 33097.292 NA [415] 23694.389 15501.027 13490.363 7311.070 63156.403 40543.550 [421] 19942.976 NA NA 26888.995 NA 18102.809 [427] 125939.133 NA NA 14393.863 NA 62045.506 [433] 60194.052 36753.957 NA NA 32061.537 NA [439] 67466.670 17627.746 24171.682 25917.752 67098.902 NA [445] 17699.295 18903.752 13127.745 17295.450 42209.926 23426.667 [451] 118937.988 NA 18165.832 NA 46816.660 NA [457] 53237.908 23121.375 25937.746 NA 47637.068 NA [463] 127540.554 NA 12313.099 24276.516 15500.675 16109.794 [469] 15965.471 54296.492 NA NA 14365.977 153749.934 [475] 59143.016 18524.301 6227.675 13606.978 NA NA [481] 49146.996 103896.484 38059.728 41076.716 NA 30013.153 [487] 41805.513 20113.277 24071.440 NA NA 8489.727 [493] 24349.181 NA NA 44921.367 26262.993 16883.382 [499] 14444.693 NA # A tibble: 500 x 3 species lengths masses 1 Stegosauria 18.5 24342. 2 Ankylosauria 16.4 NA 3 Ankylosauria 23.7 NA 4 Sauropoda 23.9 22114. 5 Ankylosauria 21.7 NA 6 Ankylosauria 21.4 NA 7 Theropoda 22.3 57349. 8 Theropoda 15.2 14160. 9 Theropoda 21.4 49678. 10 Stegosauria 22.8 42106. # … with 490 more rows