我有一个具有上述属性的 data.frame。它本质上是用 Rbbg 下载，然后重新整形，所有的 Nas 都被扔掉了。现在我无法运行任何数学函数，因为我总是收到错误消息“is.numeric(x) || is.logical(x) is not TRUE”。数据框如下所示。有人可以帮助我吗？
最佳安德烈亚斯
date PX_LAST.HSCBCH1M Index PX_LAST.ECC0TR01 Index PX_LAST.USC0TR01 Index PX_LAST.JNC0TR01 Index
193 2003-12-31 231.6578 211.7530 177.7768 1.1837
194 2004-01-30 239.9991 213.2282 180.3342 1.2185
195 2004-02-27 246.5998 214.6787 181.1475 1.1850
196 2004-03-31 244.0620 212.5486 181.9035 1.2462
197 2004-04-30 241.0590 212.3115 186.3787 1.2037
198 2004-05-31 240.2047 209.2621 180.3576 1.1740
PX_LAST.UKC0TR01 Index PX_LAST.DBSTIB1D Index PX_LAST.TRMMINOK Index PX_LAST.TRMMICAD Index
193 345.7537 39.2328 18.664 100.362
194 359.2822 38.7778 18.026 100.362
195 370.2372 39.0448 18.109 100.362
196 367.7206 38.5325 18.630 100.362
197 364.3693 39.0558 19.064 100.362
198 364.7683 38.6902 18.837 100.362
PX_LAST.AUC0TR01 Index PX_LAST.TRMMINZD Index PX_LAST.GMUAG Index PX_LAST.SZGATR Index PX_LAST.EUGATR Index
193 144.6399 100.362 182.480 169.092 197.084
194 149.3122 100.362 183.917 169.734 199.239
195 152.5866 100.362 183.802 171.909 202.995
196 151.7402 100.362 186.607 172.833 202.480
197 147.5394 100.362 178.227 171.302 199.941
198 142.0370 100.362 179.959 170.018 195.683
PX_LAST.USGATR Index PX_LAST.JNGATR Index PX_LAST.UKGATR Index PX_LAST.SWGATR Index PX_LAST.NOGATR Index
193 285.774 2.060 661.739 47.765 46.831
194 291.916 2.129 684.020 47.434 45.605
195 296.681 2.078 709.931 48.312 47.169
196 300.331 2.170 706.912 48.317 48.038
197 297.548 2.089 689.679 48.171 47.906
198 286.870 2.041 683.345 47.697 47.647
PX_LAST.CAGATR Index PX_LAST.AUGATR Index PX_LAST.NZGATR Index PX_LAST.GEMXEMB1 Index PX_LAST.JPEIGLBL Index
193 250.626 245.142 202.999 71.6518 351.33
194 251.085 250.856 210.897 72.6657 357.88
195 253.318 259.029 219.072 73.8771 360.44
196 261.089 258.816 215.060 75.6680 370.61
197 251.849 247.467 204.340 75.2113 358.78
198 243.711 239.527 199.694 72.7642 341.06
PX_LAST.IBOXHY Index PX_LAST.BCIW1T Index PX_LAST.SRCATTRR Index PX_LAST.JAUTGLOB Index PX_LAST.MXWO Index
193 142.8033 220.9415 144.70 170.283 1287.3145
194 146.7751 225.8519 148.26 175.000 1324.7261
195 146.8187 232.1897 149.48 177.450 1350.2362
196 147.8032 235.6665 150.45 178.718 1342.4812
197 152.3135 230.2153 154.02 177.174 1343.7654
198 144.2304 227.9847 149.80 171.575 1307.8700
PX_LAST.MXUS Index PX_LAST.MXEM Index PX_LAST.MXCH Index PX_LAST.MXGB Index PX_LAST.MXASJ Index
193 1298.6043 126.08896 709.77 2988.104 317.1585
194 1338.4509 130.79429 742.24 3033.495 340.0415
195 1357.3877 133.93243 750.31 3186.655 352.3901
196 1338.3062 128.38027 729.76 3084.042 346.6105
197 1347.4045 128.87453 751.14 3127.969 334.5085
198 1317.8738 125.14768 732.10 3074.340 311.1790
PX_LAST.MXJP Index PX_LAST.MXEF Index PX_LAST.DBCHREF Index PX_LAST.EPEU Index PX_LAST.RUUS Index
193 7.37794 550.0189 1841.532 1951.546 2491.1328
194 7.63641 575.5580 1881.488 2015.318 2632.6620
195 7.64160 603.6149 1868.657 2137.273 2697.5093
196 8.64227 611.0140 1862.560 2177.836 2861.4954
197 8.37291 572.5848 1820.847 2074.689 2519.3947
198 7.88756 540.9759 1832.934 2045.068 2608.8886
PX_LAST.TPREAL Index PX_LAST.UGAS Index PX_LAST.CMCITR Index PX_LAST.CMPMTR Index PX_LAST.CMIMTR Index
193 7.43896 1233.9518 492.9786 595.9690 324.0602
194 8.42209 1363.7160 509.2115 585.0504 338.8510
195 8.90350 1405.9723 545.4939 585.5482 368.3770
196 10.95698 1484.5974 561.9698 642.2480 368.4301
197 10.17282 1381.7467 558.2269 567.0087 339.5410
198 9.69091 1351.0139 577.0306 576.0891 358.0701
PX_LAST.CMAGTR Index PX_LAST.CMENTR Index PX_LAST.HEDGNAV Index
193 747.9302 523.2377 356.37
194 791.7329 525.1798 356.37
195 831.2244 572.8937 356.37
196 866.4411 591.3010 376.07
197 865.9421 624.9057 382.72
198 833.8122 673.9791 369.16