hugebear 发表于 2015-4-27 22:17 
只看语法似乎没有问题(当然lm的用法也不是很符合规范,似乎缺少data argument,不过有可能你的X1, X2已经 ...
[1] 0.1711542 0.1711542 0.0473602 0.0528394 0.0344800 0.0591327 0.0186773
[8] 0.0049060 0.9210559 0.9210559 0.9210559 0.9210559 0.9210559 0.0139109
[15] 0.0102124 0.0102124 0.0060904 0.0035406 0.0104519 0.0073866 0.0073866
[22] 0.1200630 0.4336102 0.0221270 0.0221270 0.6963651 0.0557306 0.0557306
[29] 0.0323523 0.0323523 0.0323523 0.2046583 0.0050961 0.3598951 0.3598951
[36] 0.3598951 0.6368030 0.0048807 0.0048807 0.0319843 0.0319843 0.0046135
[43] 0.0032339 0.1314720 0.0131481 0.0668875 0.0668875 0.0318239 0.0362969
[50] 0.0362969 0.0362969 0.0485866 0.0485866 0.0424391 0.0392887 0.0235403
[57] 0.0422394 0.0422394 0.0422394 0.6599238 0.8991615 0.2142630 0.2142630
[64] 0.0627508 0.0627508 0.4554334 0.4554334 0.9624618 0.0354490 0.0354490
[71] 0.0144769 0.6982505 0.3724901 0.3724901 0.0881337 0.3865509 0.0067308
[78] 0.4058144 0.1115545 0.1115545 0.4766138 0.4766138 0.5331899 0.5331899
[85] 0.1520273 0.1520273 0.0462981 0.0462981 0.0039605 0.0007510 0.0166947
[92] 0.0166947 0.0318730 0.0318730 0.0000000 0.0000000 0.0115862 0.0047325
[99] 0.0099893 0.0099893 0.0099893 0.0099893 0.0099893 0.0099893 0.3694827
[106] 0.5422576 0.4859012 0.2498173 0.2498173 0.2498173 0.2498173 0.0066904
[113] 0.0066904 0.0196445 0.0196445 0.0394043 0.0124784 0.0308927 0.0282081
[120] 0.0125818 0.0024702 0.0044543 0.0044543 0.0044543 0.0105846 0.0083144
[127] 0.0083144 0.3173136 0.3173136 0.0331428 0.1591312 0.1591312 0.1591312
[134] 0.1591312 0.1591312 0.0317188 0.0801578 0.0801578 0.0091860 0.0091860
[141] 0.0091860 0.0265250 0.0265250 0.0265250 0.0497413 0.0497413 0.1962366
[148] 0.0428778 0.0428778 0.0147634 0.3015262 0.0048832 0.0048832 0.0570457
[155] 0.0017650 0.0115167 0.0115167 0.0118611 0.0118611 0.0111902 0.0111902
[162] 0.0069724 0.0069724 0.0118201 0.0002623 0.0159579 0.0159579 0.0160904
[169] 0.0013975 0.0096110 0.0096110 0.0060498 0.0061889 0.0430108 0.1294790
[176] 0.1294790 0.0414442 0.0414442 0.0414442 0.1058741 0.1058741 0.1058741
[183] 0.2013907 0.0399834 0.0399834 0.0399834 0.0399834 0.0399834 0.2010430
[190] 0.2010430 0.1095007 0.1095007 0.0458751 0.1953666 0.1953666 0.1953666
[197] 0.0026281 0.0108808 0.0108808 0.0292064 0.0292064 0.0550422 0.0550422
[204] 0.0644616 0.0644616 0.9816579 0.5597082 0.5597082 0.1735384 0.0019082
[211] 0.0019082 0.0575308 0.0295152 0.0606916 0.0606916 0.0047142 0.0047142
[218] 0.0532435 0.1232470 0.1232470 0.2120887 0.0078827 0.0078827 0.0467958
[225] 0.0477740 0.2784675 0.0468705 0.0560676 0.1142070 0.1142070 0.0911294
[232] 0.0911294 0.0911294 0.0703755 0.0703755 0.6156687 0.4716138 0.0075611
[239] 0.2089410 0.2089410 0.2089410 0.2089410 0.2089410 0.0702827 0.0702827
[246] 0.0702827 0.0702827 0.0374786 0.0058357 0.0000000 0.3612089 0.3612089
[253] 0.0645478 0.0398538 0.0398538 0.0632467 0.2526260 0.2526260 0.1380891
[260] 0.1380891 0.1064563 0.1064563 0.1064563 0.1064563 0.6073325 0.6073325
[267] 0.6073325 0.6073325 0.6073325 0.1601280 0.0692627 0.1118350 0.0146843
[274] 0.0657143 0.0657143 0.0657143 0.0657143 0.5695518 0.0734964 0.0734964
[281] 0.0734964 0.0190911 0.0190911 0.0190911 0.0190911 0.3688891 0.3688891
[288] 0.0726936 0.0726936 0.1362687 0.1362687 0.0024945 0.0024945 0.0045422
[295] 0.0862337 0.0013052 0.0060946 0.0060946 0.0060946 0.0000000 0.0173525
[302] 0.0076008 0.0076008 0.0076008 0.0116290 0.0231497 0.0231497 0.0231497
[309] 0.0231497 0.0231497 0.0231497 0.0646623 0.0646623 0.0646623 0.0464232
[316] 0.0443038 0.0175085 0.0626876 0.1732801 0.1732801 0.1732801 0.1732801
[323] 0.0319995 0.1120184 0.1120184 0.0118853 0.0425708 0.2369736 0.0188860
[330] 0.1092738 0.1092738 0.0218909 0.0218909 0.0144756 0.0427765 0.0427765
[337] 0.0073235 0.0084183 0.0133469 0.0133469 0.0036328 0.0000000 0.1539810
[344] 0.1539810 0.0343853 0.0343853 0.0343853 0.0343853 0.0343853 0.0116490
[351] 0.0026857 0.0018530 0.0021295 0.0000000 0.0000000 0.0106243 0.0216164
[358] 0.0000000 0.0028300 0.0023693 0.0000000 0.0145094 0.0089542 0.0103555
[365] 0.0103555 0.0008917 0.0094937 0.0078890 0.1215625 0.0370746 0.0544514
[372] 0.0166479 0.0145029 0.0577932 0.0577932 0.0092423 0.0442396 0.0267276
[379] 0.0523678 0.0523678 0.0115231 0.0221449 0.0084763 0.0618702 NA
[386] 0.1210589 0.1210589 0.1855296 0.1855296 0.1855296 0.1855296 0.0393387
[393] 0.0393387 0.0055684 0.0302522 0.0302522 0.0475331 0.0568067 0.0338346
[400] 0.0224585 0.0224585 0.0224585 0.0346725 0.0392693 0.0392693 0.0297277
[407] 0.0588402 0.0588402 0.0588402 0.0010225
这是x1的数据
[1] 44534 44534 41164 50366 72287 44515 62056 53655 31314 31314
[11] 31314 31314 31314 38569 60657 60657 47891 36705 43022 79025
[21] 79025 65296 56893 40719 40719 33306 59266 59266 57424 57424
[31] 57424 30877 82797 47738 47738 47738 48209 53961 53961 55878
[41] 55878 47113 41196 62927 136529 54216 54216 58339 50968 50968
[51] 50968 29319 29319 76689 30587 59397 48350 48350 48350 20323
[61] 15919 24773 24773 32241 32241 24189 24189 21790 44883 44883
[71] 51451 35832 28417 28417 31887 46803 50665 46966 37367 37367
[81] 29740 29740 35731 35731 30577 30577 34443 34443 64818 42755
[91] 51848 51848 64367 64367 56380 56380 66569 61487 65000 65000
[101] 65000 65000 65000 65000 21978 31639 26039 46255 46255 46255
[111] 46255 52919 52919 44018 44018 51288 67716 51561 40760 53168
[121] 66939 62509 62509 62509 68286 51257 51257 40656 40656 47994
[131] 45771 45771 45771 45771 45771 62194 57697 57697 58039 58039
[141] 58039 53795 53795 53795 42361 42361 35277 60606 60606 71621
[151] 46272 55917 55917 46700 63257 50708 50708 50628 50628 46472
[161] 46472 51675 51675 60286 68602 65305 65305 48925 82084 80548
[171] 80548 72638 71806 65431 72920 72920 51022 51022 51022 43470
[181] 43470 43470 45443 48574 48574 48574 48574 48574 41440 41440
[191] 40050 40050 42176 39672 39672 39672 35682 39207 39207 54981
[201] 54981 39345 39345 61835 61835 41429 48741 48741 37575 34714
[211] 34714 39509 55878 57055 57055 63989 63989 64903 47996 47996
[221] 31348 43628 43628 44778 53455 32360 42893 57178 39756 39756
[231] 42022 42022 42022 49700 49700 20216 19931 45405 36921 36921
[241] 36921 36921 36921 46469 46469 46469 46469 34158 49167 53725
[251] 36701 36701 33510 39203 39203 28729 32635 32635 35998 35998
[261] 35488 35488 35488 35488 25671 25671 25671 25671 25671 50279
[271] 55949 57672 69594 41157 41157 41157 41157 27295 44598 44598
[281] 44598 51548 51548 51548 51548 37285 37285 62684 62684 36633
[291] 36633 41129 41129 41525 32104 41759 45907 45907 45907 63278
[301] 29797 46701 46701 46701 52913 63905 63905 63905 63905 63905
[311] 63905 51806 51806 51806 65339 50884 51781 56442 56126 56126
[321] 56126 56126 55852 33462 33462 38782 51471 60173 44987 57139
[331] 57139 43886 43886 36388 37883 37883 42350 50099 38465 38465
[341] 35812 38844 18963 18963 36871 36871 36871 36871 36871 46197
[351] 27960 34384 43847 27759 27759 26355 32218 30734 30833 29091
[361] 33696 32161 59721 40831 40831 66147 38788 59286 35537 55759
[371] 43570 46296 54084 48141 48141 45772 49038 51489 46886 46886
[381] 45160 40648 46705 43047 NA 45763 45763 40370 40370 40370
[391] 40370 53087 53087 35453 54252 54252 70037 37830 83379 51025
[401] 51025 51025 42298 46988 46988 54632 40585 40585 40585 37477
这是x2的数据
[1] 1.12 1.06 1.06 1.12 1.12 1.06 1.17 1.17 1.18 1.17 1.06 1.06 1.05 1.17
[15] 1.15 1.27 1.06 1.06 1.06 1.20 0.95 1.11 1.02 1.06 1.27 1.17 1.18 1.06
[29] 1.17 1.06 1.12 1.10 1.10 1.06 1.06 1.12 0.96 1.12 1.06 1.10 1.18 1.09
[43] 1.01 1.12 1.07 1.06 1.02 1.02 1.06 1.02 1.06 1.06 1.17 1.06 0.96 1.17
[57] 1.12 1.06 1.02 1.06 1.06 1.12 1.05 1.06 1.06 1.06 1.18 1.12 1.06 1.02
[71] 1.06 1.06 1.19 0.91 1.27 1.06 1.06 1.27 0.91 1.17 1.06 1.19 1.17 1.06
[85] 1.06 1.06 1.06 1.06 1.04 1.12 1.06 1.27 1.27 1.06 1.02 1.06 1.06 1.06
[99] 1.06 1.17 1.06 1.06 1.06 1.17 1.06 1.12 1.17 1.12 1.10 1.17 1.12 1.06
[113] 1.02 1.20 1.06 1.12 1.06 1.06 1.06 0.95 1.12 1.06 1.06 1.17 1.07 0.95
[127] 1.18 1.10 1.06 1.12 0.91 1.06 1.06 1.02 1.06 0.95 1.12 1.06 0.91 1.06
[141] 0.91 1.06 0.91 1.06 0.91 1.12 1.10 1.06 1.09 1.12 1.06 1.06 0.85 0.99
[155] 1.09 0.92 0.98 0.95 1.16 1.06 1.20 1.19 1.06 1.12 1.06 1.12 1.12 1.06
[169] 0.91 1.23 1.00 1.12 1.06 1.02 1.02 1.12 1.06 0.95 1.02 0.95 1.06 1.06
[183] 1.02 0.95 0.95 1.06 1.06 0.95 1.02 1.06 1.06 0.95 1.06 0.95 1.02 1.06
[197] 1.02 1.18 1.00 0.90 0.95 0.91 1.07 1.06 1.02 1.06 1.06 1.06 1.12 0.95
[211] 1.06 0.95 0.96 0.91 0.95 0.95 0.91 1.05 1.06 1.02 1.02 1.06 0.96 0.95
[225] 1.02 1.06 1.12 0.85 1.06 0.95 0.95 0.95 1.02 0.95 1.02 0.95 1.02 1.02
[239] 0.95 1.01 1.26 1.12 1.06 1.13 1.01 1.23 1.06 1.06 1.06 1.06 1.12 0.85
[253] 1.02 1.06 0.89 0.95 1.06 1.02 1.02 1.06 1.09 1.06 1.22 1.22 1.23 1.05
[267] 0.95 1.20 1.06 0.95 1.02 1.02 1.06 1.06 0.93 1.00 1.06 1.09 1.06 1.04
[281] 1.04 1.02 1.06 1.02 1.02 1.04 1.06 1.09 1.23 1.06 1.06 1.09 1.20 1.06
[295] 1.06 0.95 1.06 1.09 1.12 1.06 1.06 1.10 1.13 0.91 1.09 1.12 1.49 0.91
[309] 1.06 1.12 1.12 1.02 1.02 1.03 1.06 0.95 1.06 0.91 1.06 1.05 0.95 1.07
[323] 1.28 1.06 1.06 0.98 0.98 1.01 0.98 0.87 0.87 1.05 0.87 1.01 1.03 1.03
[337] 0.94 0.91 0.98 1.01 0.87 0.98 1.01 0.87 1.00 0.95 0.89 0.89 0.95 0.89
[351] 0.89 0.94 0.95 1.01 0.95 1.05 1.05 0.97 0.94 0.95 0.95 0.94 1.05 0.94
[365] 1.05 1.05 0.84 1.05 1.05 0.97 1.04 1.05 0.97 0.73 1.03 0.94 1.05 0.97
[379] 1.01 0.91 0.95 0.92 1.05 0.90 1.05 0.94 1.13 1.11 0.97 0.95 1.05 0.97
[393] 1.05 0.91 1.05 0.97 0.95 1.11 0.95 0.97 0.97 1.02
这是y的数据,大神可看出什么来了?