我有一个庞大的数据集，包含许多值。我想排除某些我认为包含不准确信息的行。例如说我有：
1 150.37265 1.6093940 11986.75879 4343.98486 6345.683 8.535 2458.348 3.069 2554.732 2.205 2011.244 1.855 1665.491 2.055 2229.020 11.092 1159.925 63.576 1238.034 63.029 1513.357 76.582 -99.999 -99.999 -99.999 -99.999 609.524 1.071 430.542 0.779 293.832 0.365 201.463 0.499 88.605 1.054 316.139 2.791 426.547 2.960 659.435 3.337 761.369 2.897 982.764 3.981 915.068 3.799 147.845 2.344 284.971 2.969 413.933 3.471 520.958 3.385 761.208 3.425 1299.578 4.812 27.115 0.127 32.692 0.134 3946.924 11.148 0.000 0.030 27.50304 1.00000 -1.00000 -1.00000 -1 0 0 2 230 1 1
2 150.40848 1.6075042 11126.90527 4298.73779 2326.038 3.374 1683.321 2.562 2624.063 2.233 2718.523 2.144 2892.133 2.693 140.665 61.195 281.988 20.099 427.518 22.779 735.361 37.903 -99.999 -99.999 -99.999 -99.999 -99.999 -99.999 -99.999 -99.999 -99.999 -99.999 -99.999 -99.999 480.256 2.452 1503.665 6.085 1532.825 5.610 1883.756 5.638 2196.444 4.918 -99.999 -99.999 2087.671 5.736 892.003 5.755 1354.323 6.468 1339.161 6.241 1990.614 6.614 1823.208 5.300 -99.999 -99.999 0.522 0.225 16.993 0.240 -99.900 -99.900 0.000 0.750 12.51440 1.00000 -1.00000 -1.00000 -1 1 0 11 295 1 0
3 150.40550 1.6069111 11198.41992 4284.49414 223.931 3.299 111.582 0.887 94.436 0.678 67.895 0.511 61.085 0.507 64.002 6.935 55.312 8.437 65.572 4.568 88.131 5.368 46.054 0.342 36.760 0.223 20.608 0.206 11.796 0.140 8.360 0.086 6.925 0.100 4.889 0.251 8.405 0.461 10.009 0.460 22.655 0.625 28.231 0.567 34.231 0.754 37.358 0.781 6.587 0.501 7.931 0.507 9.492 0.535 15.271 0.591 30.671 0.695 38.314 0.841 1.864 0.125 4.507 0.130 142.376 9.231 0.000 0.030 17.73935 1.00000 -1.00000 -1.00000 -1 0 0 0 314 1 1
4 150.39050 1.6043303 11558.18359 4222.49707 33.437 1.502 23.667 0.681 16.188 0.566 11.345 0.410 8.666 0.358 6.252 7.394 16.608 6.876 12.765 1.795 25.299 2.120 6.197 0.216 4.550 0.115 1.558 0.082 0.789 0.064 0.392 0.062 0.305 0.044 0.183 0.065 0.463 0.131 0.906 0.157 1.353 0.177 2.328 0.190 3.503 0.273 4.320 0.300 0.098 0.099 0.257 0.142 0.455 0.152 0.721 0.172 3.101 0.241 5.155 0.342 0.047 0.304 -0.538 0.245 21.609 8.478 0.000 0.750 11.57455 1.00248 -1.00000 -1.00000 -1 0 0 0 322 1 1
作为我的数据集的样本，我说第2行和第3行不够准确，我将如何仅导入第1行和第4行。我希望有更多的一般技巧，而不是使用注释2,3因为数据集非常庞大
编辑：不必使用genfromtxt完成该操作，如果还有另一种方法与genfromtxt相同，但是可以跳过列和行，那就太好了！