【求助】本人在做非平衡的动态长面板样本,是95/01-18/11的月度数据,n=107,t=287 为长面板。因含滞后阶,参考陈强老师的书用LSDVC方法,但不知为何运行提醒 no observations r2000错误,希望大神们可以指教一二,不胜感激!
检查过数据都是数值型,没有类型错误,其中部分变量有缺失为空白。
看到网上前辈指导,附上dataex代码:
* Example generated by -dataex-. To install: ssc install dataex
clear
input long company int month float(ah epu so turn size rmha peah largest per10 top earning dividend) double t
2 234 .7571873 10.223166 .11968428 1.5132757 25.270264 10.922 .9784715 14.9386 1.5089284 . . . 234
2 235 .7249508 12.74803 .11968428 .7315714 25.45691 13.6561 1.0177268 14.9386 1.5089284 . . . 235
2 236 .7896348 15.10019 .11968428 .6669678 25.361824 11.549644 .9886715 14.9386 1.5089284 . . . 236
2 237 .844328 18.57619 .11968428 .9520882 25.35882 10.87255 1.1358575 14.9386 1.6135304 . . . 237
2 238 .8202558 24.04953 .11968428 .964437 25.386564 11.45984 1.1064516 14.9386 1.6135304 . . . 238
2 239 .8674746 11.273898 .11968428 1.3336283 25.52685 12.565208 1.2419007 14.9386 1.6135304 . . . 239
2 240 1.0185052 9.396096 .11930677 3.29438 25.752844 13.64745 1.5334773 14.9082 2.0123882 10.702813 1.747453 .5 240
2 241 .9818116 23.22151 .11930352 2.425651 25.6995 13.363052 1.463389 14.9082 2.0123882 . . . 241
2 242 .9036676 11.768367 .11929683 2.461384 25.68138 14.10917 1.4969072 14.9082 2.0123882 . . . 242
2 243 .9482344 8.20933 .11925237 3.0490994 25.75619 14.574456 1.7272727 14.9082 1.5334365 . . . 243
2 244 .8963144 10.531836 .11924738 3.2861426 25.818346 16.288927 1.7575758 14.894 1.5334365 . . . 244
2 245 .889064 12.755281 .11924738 3.928294 25.802143 16.140572 1.8445455 14.894 1.5334365 . . . 245
2 246 .964997 12.334314 .1191874 4.320642 25.80397 15.046679 1.8481973 14.894 2.0865328 . . . 246
2 247 .9745279 26.87092 .11921881 3.604002 25.778807 14.550635 1.676382 15.2386 2.0865328 . . . 247
2 248 .9500023 22.40586 .11917938 2.0230181 25.755116 14.52628 1.7096775 15.2386 2.0865328 . . . 248
2 249 .9376705 39.32341 .11917064 1.0205078 25.67612 13.576198 1.7085928 15.2386 3.008786 . . . 249
2 250 .9177766 24.486795 .11917064 .8610574 25.75009 14.894692 1.697826 15.2264 3.008786 . . . 250
2 251 .9451588 10.474908 .11920758 1.341599 25.84356 15.94441 1.8076923 15.2264 3.008786 . . . 251
2 252 1.27338 15.161448 .11915644 1.4578347 26.294285 19.18516 1.8758543 15.2264 3.6714764 11.814697 2.348023 .72 252
2 253 1.650674 26.19421 .11929135 . 26.2709 14.800016 1.632446 15.2436 3.6714764 . . . 253
2 254 1.65634 26.90192 .11929135 . 26.270643 14.749387 1.6362468 15.2436 3.6742146 . . . 254
2 255 1.541479 32.315586 .11933067 . 26.275915 15.848415 1.5719026 15.2436 3.675322 . . . 255
2 256 1.5094073 28.617733 .11933067 . 26.27763 16.185162 1.5442765 15.2436 3.675322 . . . 256
2 257 1.557672 26.02575 .11933067 . 26.275076 15.683662 1.5657895 15.2436 3.675322 . . . 257
2 258 1.880535 35.72088 .1192913 . 26.26159 12.990984 1.569399 15.2436 3.676106 . . . 258
2 259 1.1395727 55.82222 .1192913 1.1736575 25.949953 15.040726 1.5395833 15.2436 3.676106 . . . 259
2 260 1.45248 28.87802 .1192913 1.4547497 26.30146 17.16375 1.3966283 15.2436 1.8291132 . . . 260
2 261 1.5122362 38.87496 .1192913 1.8172122 26.34662 17.305496 1.3464223 15.2436 3.109849 . . . 261
2 262 1.407379 26.18989 .1192913 .905581 26.303785 17.706675 1.3818828 15.2436 3.109849 . . . 262
2 263 1.276678 47.56709 .1192913 1.4507043 26.39216 21.13297 1.425829 15.2436 3.109849 . . . 263
2 264 1.2979362 64.6911 .1192913 .7962662 26.11835 15.832827 1.413824 15.2436 3.109849 11.82988 2.568155 .79 264
2 265 1.1812978 69.48494 .1192809 .6581947 26.134033 17.50617 1.3794568 15.3055 2.975376 . . . 265
2 266 1.1885533 46.45228 .1192809 .57503676 26.126125 17.2731 1.3781095 15.3055 2.947166 . . . 266
2 267 1.1038647 53.33044 .1192809 .6728981 26.136375 18.64359 1.336334 15.3055 3.060809 . . . 267
2 268 1.1151471 32.23443 .1192809 .7673242 26.081364 17.48648 1.279108 25.6343 3.060809 . . . 268
2 269 1.166112 45.19785 .1192809 .37766805 26.16303 18.231525 1.2191235 25.6343 3.060809 . . . 269
2 270 1.301807 32.85536 .11927985 .422356 26.312984 19.18103 1.2586346 25.6343 3.949884 . . . 270
2 271 1.1767716 16.26933 .11927985 .3851305 26.256723 19.85942 1.2407975 29.3755 3.871407 . . . 271
2 272 1.1743028 26.52581 .11927985 .3506895 26.25093 19.78195 1.2727988 29.3755 3.871407 . . . 272
2 273 1.2021288 31.40012 .11927985 .4970756 26.37076 21.83626 1.2946357 29.3755 3.871407 . . . 273
2 274 1.225923 29.15836 .11927985 .5971615 26.46704 23.62302 1.282911 29.3755 4.785262 . . . 274
2 275 1.297473 26.804386 .11927985 .8301134 26.53668 24.062157 1.2439808 29.3755 4.785262 . . . 275
2 276 1.190933 26.935476 .11927985 .695564 26.539965 26.08039 1.220921 29.3755 4.785262 10.839835 3.370584 .9 276
2 277 1.2108192 12.29374 .11921491 .6261795 26.72886 31.02032 1.1599162 29.3755 4.825905 . . . 277
2 278 1.1505339 21.17802 .11921491 .6136132 26.59555 28.421587 1.2164062 29.3755 4.0523562 . . . 278
2 279 1.160547 24.55517 .11921491 .7023381 26.612524 28.68475 1.240101 29.3755 4.0523562 . . . 279
2 280 1.0750777 29.1307 .11921491 .6915295 26.461926 26.416695 1.189097 29.3755 4.0268674 . . . 280
2 281 1.115908 37.41038 .11921491 .7253634 26.35364 22.932 1.2029488 29.3755 4.0268674 . . . 281
2 282 1.062952 46.54168 .11921491 .7667115 26.31956 23.143095 1.189464 29.3755 4.0268674 . . . 282
2 283 1.0718672 56.10262 .11921491 .790636 26.26518 21.756426 1.2346842 29.3755 3.5435486 . . . 283
2 284 1.0169078 50.27537 .11921491 .627822 26.30205 23.65013 1.1821743 29.3755 3.5435486 . . . 284
2 285 1.0662241 51.64866 .11921491 1.0032737 26.30694 22.790705 1.223197 29.3755 3.5435486 . . . 285
2 286 1.1302257 62.14264 .11921491 .7556782 26.297657 21.438196 1.2304394 29.3755 3.819564 . . . 286
2 287 1.0664226 66.996124 .11921491 .6689106 26.352766 23.85546 1.1547017 29.3755 3.819564 . . . 287
39 216 1.19694 19.27684 .53736556 14.670413 24.054733 9.632898 1.0801105 53.7291 6.316042 0 .725072 .23 216
39 217 1.0542659 20.85545 .53736556 5.654801 24.31906 13.355265 1.0965456 . 6.316042 . . . 217
39 218 1.0276142 16.225603 .53736556 9.365426 24.289757 13.127495 1.1408582 . 6.316042 . . . 218
39 219 1.2063583 8.376907 .53736556 4.95434 24.129255 10.336896 1.1371372 53.7291 6.754748 . . . 219
39 220 1.1535261 14.795317 .53736556 3.7796545 24.06701 9.934756 1.1006036 . 6.800685 . . . 220
39 221 1.1893938 8.295887 .53736556 7.283843 24.162346 10.761785 1.1726991 . 6.800685 . . . 221
39 222 .9692397 4.0403214 .53736556 6.418772 24.054316 10.65784 1.0975336 53.7291 6.800685 . . . 222
39 223 1.0778319 11.546747 .53736556 10.960673 24.04417 10.038672 1.0524064 . 6.819376 . . . 223
39 224 1.2253516 13.975954 .53736556 20.43134 24.122423 10.184832 1.1259843 . 6.819376 . . . 224
39 225 1.195003 6.97908 .53736556 20.023314 24.18852 11.020893 1.1045891 53.7285 7.196782 . . . 225
39 226 1.1037825 9.759776 .53736556 17.815474 24.19053 11.48777 1.0538793 . 7.196782 . . . 226
39 227 1.1051927 8.102541 .53736556 11.19707 24.316385 13.020354 1.0541103 . 7.196782 . . . 227
39 228 1.1454741 13.723246 .53743213 11.041776 24.33021 12.972795 1.0431035 53.7287 7.745933 4.0374923 .989521 .27 228
39 229 1.1116425 10.344438 .53743213 8.547397 24.403584 14.168225 1.0751445 . 7.745933 . . . 229
39 230 .9853079 6.652955 .53743213 9.273089 24.39942 14.939493 1.0491072 . 7.745933 . . . 230
39 231 1.0302237 13.49426 .53743213 11.421485 24.373505 14.25904 1.0326576 53.7291 7.93034 . . . 231
39 232 1.0478327 8.426826 .53743213 18.46742 24.21899 12.120255 1.0158371 . 7.93034 . . . 232
39 233 1.1508458 8.076277 .53743213 10.57023 24.164465 10.965848 .9815418 . 7.93034 . . . 233
39 234 1.1350389 10.223166 .5369384 15.89058 24.23686 11.858625 .9784715 53.6845 7.847076 . . . 234
39 235 1.0871712 12.74803 .5369384 16.400238 24.35106 13.57652 1.0177268 . 7.847076 . . . 235
39 236 1.0747848 15.10019 .5369384 13.765059 24.32253 13.267773 .9886715 . 7.847076 . . . 236
39 237 1.215419 18.57619 .53536046 24.878286 24.34271 12.69521 1.1358575 53.523 8.542701 . . . 237
39 238 1.1767484 24.04953 .53536046 25.813677 24.44839 14.344612 1.1064516 . 8.542701 . . . 238
39 239 1.297442 11.273898 .53536046 41.25895 24.472715 13.973652 1.2419007 . 8.542701 . . . 239
39 240 1.6114142 9.396096 .53536046 32.374924 24.56506 13.58434 1.5334773 53.5211 8.893474 6.823134 1.135185 .31 240
39 241 1.6103063 23.22151 .53536046 21.089874 24.424805 11.811418 1.463389 . 8.893474 . . . 241
39 242 1.719883 11.768367 .53536046 13.904834 24.45011 11.651955 1.4969072 . 8.893474 . . . 242
39 243 1.6955264 8.20933 .53536046 25.00737 24.57917 13.37048 1.7272727 53.5174 8.556882 . . . 243
39 244 1.5545607 10.531836 .53536046 12.278388 24.74026 16.52557 1.7575758 . 8.556882 . . . 244
39 245 1.500417 12.755281 .53536046 21.46219 24.778593 17.521793 1.8445455 . 8.556882 . . . 245
39 246 2.0540693 12.334314 .5324796 30.93037 24.867384 15.724883 1.8481973 53.2296 10.07587 . . . 246
39 247 1.770672 26.87092 .5320376 26.70387 24.583107 12.972475 1.676382 . 10.07587 . . . 247
39 248 1.7192588 22.40586 .5320376 20.189163 24.43403 11.376996 1.7096775 . 10.07587 . . . 248
39 249 1.5381148 39.32341 .5318841 13.667982 24.349874 11.163016 1.7085928 53.2296 11.960864 . . . 249
39 250 1.6595147 24.486795 .5318841 18.147633 24.40846 11.322588 1.697826 . 11.960864 . . . 250
39 251 1.688888 10.474908 .53168803 17.022522 24.407677 11.190797 1.8076923 . 11.960864 . . . 251
39 252 1.7677183 15.161448 .5766219 23.28738 24.57044 11.87972 1.8758543 48.0326 13.064722 8.684718 .762961 .22 252
39 253 1.295155 26.19421 .5766219 15.14732 24.2535 10.19183 1.632446 . 13.064722 . . . 253
39 254 1.4298936 26.90192 .576528 32.855785 24.21998 9.378321 1.6362468 . 12.068112 . . . 254
39 255 1.517915 32.315586 .576528 39.39613 24.328354 10.13232 1.5719026 52.8364 12.056037 . . . 255
39 256 1.443497 28.617733 .576528 31.84311 24.29971 10.1074 1.5442765 . 12.056037 . . . 256
39 257 1.720216 26.02575 .5765313 2.1424813 24.199726 8.324535 1.5657895 . 12.056037 . . . 257
39 258 1.737893 35.72088 .5765214 3.959608 24.184713 8.153552 1.569399 52.8266 12.122828 . . . 258
39 259 1.794906 55.82222 .5765214 11.84838 24.1413 7.66614 1.5395833 . 12.122828 . . . 259
39 260 1.7360567 28.87802 .57652056 10.340554 24.181646 8.133375 1.3966283 . 12.122828 . . . 260
39 261 1.7918895 38.87496 .5765214 5.714192 24.164307 7.852046 1.3464223 55.4436 12.228228 . . . 261
end


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