R version 3.3.3 (2017-03-06) -- "Another Canoe" Copyright (C) 2017 The R Foundation for Statistical Computing Platform: i386-w64-mingw32/i386 (32-bit) R is free software and comes with ABSOLUTELY NO WARRANTY. You are welcome to redistribute it under certain conditions. Type 'license()' or 'licence()' for distribution details. Natural language support but running in an English locale R is a collaborative project with many contributors. Type 'contributors()' for more information and 'citation()' on how to cite R or R packages in publications. Type 'demo()' for some demos, 'help()' for on-line help, or 'help.start()' for an HTML browser interface to help. Type 'q()' to quit R. [Previously saved workspace restored] > utils:::menuInstallPkgs() --- Please select a CRAN mirror for use in this session --- trying URL 'https://mirror-hk.koddos.net/CRAN/bin/windows/contrib/3.3/plm_1.6-6.zip' Content type 'application/zip' length 1595839 bytes (1.5 MB) downloaded 1.5 MB package ‘plm’ successfully unpacked and MD5 sums checked The downloaded binary packages are in C:\Users\David Wong\AppData\Local\Temp\RtmpaWIEaO\downloaded_packages > library(plm) Loading required package: Formula > mydata <- read.csv(file.choose(),header=T) > attach(mydata) > mydata Province Year g LRDPpc k l h ITR DTR ITCC DTCC 1 Heilongjiang 2006 0.002944468 9.576927 0.3599223 0.000785340 0.004749752 0.006213856 0.05031081 0.026021449 1.358619 2 Heilongjiang 2007 0.016921224 9.579867 0.4073376 0.000261575 0.004448640 0.006647155 0.05378627 0.035141213 1.703713 3 Heilongjiang 2008 0.051800803 9.596647 0.4398664 0.000261506 0.005324967 0.007142690 0.06040915 0.050546405 2.183791 4 Heilongjiang 2009 -0.072654173 9.647150 0.5816933 0.000261438 0.005400314 0.005079481 0.07057180 0.035292734 2.834292 5 Heilongjiang 2010 0.069450993 9.571722 0.5218159 0.001829587 0.005100913 0.004846243 0.08024227 0.043002870 4.096530 6 Heilongjiang 2011 0.080280445 9.638867 0.5245033 0.000260892 0.005328299 0.004590580 0.08202194 0.051601461 5.278299 7 Heilongjiang 2012 -0.010738284 9.716088 0.5714534 0.000000000 0.005381064 0.003801697 0.09115091 0.050790297 6.565989 8 Heilongjiang 2013 -0.027573505 9.705291 0.6364141 0.000260824 0.005373872 0.002543720 0.09372221 0.037814863 7.562973 9 Heilongjiang 2014 -0.009293079 9.677331 0.6175787 -0.000521512 0.005191495 0.002325006 0.06855336 0.034513436 2.747456 10 Heilongjiang 2015 -0.045912888 9.667994 0.6406995 -0.005478737 0.005087566 0.001701523 0.08863891 0.020640084 3.390871 11 Heilongjiang 2016 -0.030738581 9.620994 0.6083612 -0.003410283 0.005020111 0.001962972 0.10223520 0.023919452 3.785207 12 Jilin 2006 0.024216179 9.497729 0.6559559 0.002577320 0.005377892 0.002509930 0.06175265 0.013011385 1.172604 13 Jilin 2007 0.061998691 9.521656 0.7575052 0.002570694 0.006018571 0.002473834 0.06367639 0.016183150 1.356777 14 Jilin 2008 0.046396358 9.581809 0.8730149 0.001465201 0.006160790 0.002240869 0.06788542 0.019188003 1.644843 15 Jilin 2009 -0.004785189 9.627161 0.8628542 0.002194587 0.006162153 0.002278817 0.07749957 0.021273723 1.982847 16 Jilin 2010 0.043736081 9.622365 0.8789189 0.002554745 0.005540626 0.002318320 0.08219018 0.026268657 2.333091 17 Jilin 2011 0.070707170 9.665171 0.7905795 0.000728067 0.005651109 0.002294584 0.08556198 0.031098581 2.743543 18 Jilin 2012 0.008262914 9.733491 0.7734998 0.000363769 0.005610509 0.002581795 0.09606055 0.036690909 3.219636 19 Jilin 2013 0.003599656 9.741720 0.7511867 0.000363636 0.005711269 0.002575891 0.11105376 0.039105780 3.723010 20 Jilin 2014 -0.001962392 9.745313 0.7514739 0.000363504 0.005650472 0.002624668 0.12798175 0.041155523 4.361919 21 Jilin 2015 -0.041895120 9.743348 0.7822725 0.000363372 0.005082891 0.003342918 0.15791150 0.046934254 5.079186 22 Jilin 2016 0.023633393 9.700550 0.6870838 -0.007264802 0.005085474 0.003530538 0.19259515 0.052019759 6.006952 23 Shanxi 2006 0.003070162 9.430085 0.4974708 0.005961252 0.006582993 0.002724284 0.08796413 0.009783704 2.227259 24 Shanxi 2007 0.057283785 9.433150 0.5074886 0.005333333 0.006830180 0.002828014 0.09831425 0.013209549 2.513705 25 Shanxi 2008 0.111591501 9.488854 0.5170413 0.005305040 0.007586895 0.002959580 0.10395274 0.016986221 2.751099 26 Shanxi 2009 0.001440373 9.594646 0.6600429 0.004690707 0.007336854 0.003506498 0.11766968 0.019442661 3.096294 27 Shanxi 2010 0.052655283 9.596086 0.6491893 0.042894660 0.007257443 0.003327639 0.11436540 0.022968663 3.496642 28 Shanxi 2011 0.075132777 9.647402 0.6457012 0.005316172 0.007516616 0.003176956 0.11613741 0.027344837 4.167826 29 Shanxi 2012 -0.025871174 9.719846 0.6326680 0.005009741 0.007899612 0.003704475 0.14581894 0.033348103 5.381889 30 Shanxi 2013 -0.049624772 9.693634 0.6898377 0.005261700 0.007881625 0.003951883 0.17882932 0.010710744 6.778237 31 Shanxi 2014 -0.039427950 9.642736 0.6910243 0.004958678 0.007497451 0.001364901 0.22170530 0.009904057 8.210252 32 Shanxi 2015 -0.033925043 9.602509 0.6909965 0.004385965 0.007739301 0.001510833 0.26858675 0.010382096 9.827238 33 Shanxi 2016 -0.019052937 9.567995 0.7252109 0.004912664 0.007724688 0.001603559 0.32397220 0.010977729 12.031505 34 Henan 2006 0.019401059 9.331427 0.4859194 0.001279318 0.006107240 0.001735895 0.08234387 0.004832836 1.390865 35 Henan 2007 0.063244117 9.350642 0.5357783 -0.003407155 0.006954722 0.001547078 0.08839324 0.005935897 1.816560 36 Henan 2008 0.085810788 9.411967 0.5669005 0.007371795 0.007952339 0.001386161 0.08507273 0.007202248 2.112737 37 Henan 2009 -0.051575025 9.494294 0.6671352 0.006151236 0.007396933 0.001517220 0.10030564 0.008723516 2.457257 38 Henan 2010 0.062886007 9.441341 0.6800561 -0.008643407 0.007488666 0.001423369 0.09934021 0.010216906 2.748006 39 Henan 2011 0.044095627 9.502329 0.6987924 -0.001807549 0.007088453 0.001283209 0.10270680 0.011108862 3.259374 40 Henan 2012 -0.003655768 9.545480 0.7320373 0.001917341 0.006805624 0.001286903 0.11233370 0.012623857 3.841059 41 Henan 2013 -0.004069667 9.541818 0.7580578 0.000744206 0.006706565 0.001242486 0.11926286 0.007757357 4.344842 42 Henan 2014 -0.004701977 9.537740 0.7629405 0.002443429 0.006388565 0.000956079 0.12370400 0.007611276 4.837007 43 Henan 2015 -0.026631716 9.533027 0.7492130 0.004662993 0.006439399 0.001094118 0.13464079 0.008898734 5.445253 44 Henan 2016 -0.002017003 9.506034 0.7303878 0.005485232 0.006641586 0.001053285 0.14091297 0.010051406 6.086131 45 Anhui 2006 0.012864495 9.080559 0.4375430 -0.001633987 0.005434681 0.002899858 0.06322356 0.008607201 1.008020 46 Anhui 2007 0.053159159 9.093342 0.4543968 0.001309329 0.006481285 0.003411702 0.07382764 0.012152664 1.282936 47 Anhui 2008 0.066287550 9.145136 0.4834469 0.002778686 0.007130905 0.003490371 0.07890766 0.014803586 1.619886 48 Anhui 2009 0.005035192 9.209319 0.4790407 -0.000651997 0.007327483 0.003839341 0.08583876 0.015943565 2.000979 49 Anhui 2010 0.103047774 9.214342 0.4904068 -0.028380362 0.007450260 0.003780284 0.08858166 0.019707907 2.576633 50 Anhui 2011 0.088724201 9.312419 0.4963449 0.001846567 0.007107892 0.004850925 0.11862176 0.025427279 3.775972 51 Anhui 2012 0.000147672 9.397425 0.5043502 0.003351206 0.006893955 0.005656264 0.14635561 0.031798597 4.881263 52 Anhui 2013 -0.005043770 9.397573 0.5115377 0.007014028 0.006910829 0.005279559 0.15248804 0.027713101 5.572305 53 Anhui 2014 -0.005932877 9.392516 0.5143618 0.008789386 0.007058951 0.005476624 0.15875292 0.026439257 6.230314 54 Anhui 2015 -0.038629370 9.386566 0.5047117 0.010027947 0.007047575 0.006675918 0.18088553 0.027859701 7.227214 55 Anhui 2016 0.017432791 9.347171 0.5124547 0.008463542 0.006267027 0.006868172 0.19516856 0.029770820 8.431407 56 Hubei 2006 0.030235249 9.343017 0.4672630 -0.002977233 0.007214491 0.003305936 0.06782988 0.015053575 1.486035 57 Hubei 2007 0.062247964 9.372804 0.4735447 0.001053926 0.007774925 0.003267784 0.06601897 0.018901562 1.778382 58 Hubei 2008 0.080150379 9.433192 0.7411649 0.002105633 0.007873857 0.002667490 0.06296611 0.016224829 2.044826 59 Hubei 2009 0.006277253 9.510292 0.5102113 0.001575906 0.007865682 0.002685890 0.07481078 0.017790210 2.633741 60 Hubei 2010 0.071640669 9.516550 0.5135646 0.001398601 0.007586400 0.003100116 0.08827119 0.024188198 3.656774 61 Hubei 2011 0.074779730 9.585740 0.5398156 0.005237430 0.007451598 0.003014360 0.09839927 0.027806530 4.716047 62 Hubei 2012 0.014594032 9.657856 0.5422272 0.003647100 0.007133328 0.003368302 0.11476397 0.033389860 5.923170 63 Hubei 2013 0.003496898 9.672345 0.5554414 0.003460806 0.006746180 0.002991256 0.12688778 0.035304363 7.004828 64 Hubei 2014 0.008789582 9.675836 0.5640373 0.002931540 0.006009027 0.002806676 0.13704225 0.036667813 8.063961 65 Hubei 2015 -0.061823571 9.684587 0.5670826 0.006189821 0.005415550 0.003673121 0.14233479 0.040975735 8.658236 66 Hubei 2016 0.002025237 9.620769 0.5751135 0.005639098 0.005194036 0.003779533 0.14584799 0.043271028 9.673917 67 Jiangxi 2006 0.018580757 9.149555 0.4886833 0.006495013 0.005922978 0.002347746 0.08136122 0.004242913 1.382807 68 Jiangxi 2007 0.035249050 9.167965 0.4887651 0.006683568 0.006100687 0.002602619 0.08159629 0.005480769 1.589698 69 Jiangxi 2008 0.038738563 9.202607 0.4943437 0.007326007 0.006518818 0.002653059 0.08179467 0.007006818 1.826377 70 Jiangxi 2009 0.036928007 9.240614 0.5333121 0.007272727 0.006297089 0.002585845 0.08562829 0.008745487 2.099120 71 Jiangxi 2010 0.075720978 9.276877 0.5015522 0.006768953 0.005882205 0.002412734 0.08409461 0.008946661 2.399171 72 Jiangxi 2011 0.094271303 9.349868 0.4943937 0.005826983 0.005594029 0.002232091 0.09220000 0.009799465 3.532531 73 Jiangxi 2012 -0.006716620 9.439957 0.4866135 0.003565062 0.005176177 0.002332183 0.10595511 0.011187833 4.517540 74 Jiangxi 2013 0.001733089 9.433217 0.4724483 0.003996448 0.005327444 0.002216882 0.12999965 0.008900929 5.494471 75 Jiangxi 2014 -0.005334076 9.434949 0.4376113 0.004422822 0.006098745 0.002198687 0.16641626 0.009850286 6.854793 76 Jiangxi 2015 -0.029676035 9.429601 0.4607810 0.005284016 0.006293846 0.002201070 0.21528925 0.009829172 8.408274 77 Hunan 2005 0.000000000 9.239218 0.3945793 0.000000000 0.005377917 0.004832489 0.06468715 0.009623775 1.123775 78 Hunan 2006 0.025213474 9.239218 0.4162251 0.002529244 0.005967786 0.005246657 0.07302031 0.011527909 1.434599 79 Hunan 2007 0.067870128 9.264118 0.4288533 0.002049827 0.006431330 0.005096643 0.07408044 0.013771833 1.695814 80 Hunan 2008 0.070856726 9.329785 0.4912492 0.003933910 0.006739781 0.003773074 0.07249853 0.011144201 1.993566 81 Hunan 2009 0.025351399 9.398244 0.5104868 0.004075235 0.006488698 0.003517565 0.08066960 0.010003122 2.487381 82 Hunan 2010 0.044848215 9.423279 0.5342824 0.025600999 0.005506636 0.003723659 0.08514424 0.015722983 3.075823 83 Hunan 2011 0.082981760 9.467151 0.5331741 0.003957382 0.004936295 0.003245961 0.08735325 0.018162523 3.805285 84 Hunan 2012 0.005413770 9.546869 0.5412375 0.006519102 0.004670206 0.002610687 0.09819615 0.013652659 4.561196 85 Hunan 2013 -0.003302553 9.552268 0.5539990 0.007832505 0.004733523 0.002032644 0.10737717 0.013108653 5.354575 86 Hunan 2014 0.000871489 9.548960 0.5599556 0.006874907 0.004755277 0.001835839 0.11101470 0.014853792 6.083269 87 Hunan 2015 -0.021451393 9.549831 0.5219324 0.006827965 0.004938139 0.001926636 0.12663253 0.017424443 6.944520 88 Hunan 2016 0.005017250 9.528146 0.5304778 0.005749668 0.005012797 0.002099382 0.14708490 0.018676341 8.253735 > pdata <- pdata.frame(mydata, index=c("Province","Year")) > pooling <- plm(Y~X, data=pdata,model="pooling") Error in `row.names<-.data.frame`(`*tmp*`, value = c("Anhui-2006", "Anhui-2007", : duplicate 'row.names' are not allowed In addition: Warning message: non-unique values when setting 'row.names': >