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  • Need help on the xtpmg command

    Specifically, when i run the regression and attempt to change the name of the newly created error-correction term
    When i run the first regression (pmg by default)
    Code:
    xtpmg d(rgdpg fdigdp finacc), lr(l.rgdpg fdigdp finacc)
    the default name for the created error-correction term returns _ec. For the second regression:
    Code:
    xtpmg d(rgdpg fdigdp finacc), lr(l.rgdpg fdigdp finacc) ec(ec1) replace mg
    The message that pops up is "invalid new variable name;
    variable name ec1 is in the list of predictors" .
    A replica of my data is posted below:
    Code:
    * Example generated by -dataex-. To install: ssc install dataex
    clear
    input str3 country float id int year float(rgdpg fdigdp finacc)
    "IND" 1 2000    .12045514  -.36 .01
    "IND" 1 2001    .07173192   .46 .01
    "IND" 1 2002    .10458583  -.46 .01
    "IND" 1 2003    .06550019    .2 .01
    "IND" 1 2004   .069043346  -.66 .01
    "IND" 1 2005    .05051807  -.13 .02
    "IND" 1 2006   .026026955  -.18 .02
    "IND" 1 2007    .06137255   1.7 .03
    "IND" 1 2008    .02968846   .49 .04
    "IND" 1 2009   .001781021  -.19 .04
    "IND" 1 2010   .032070763   .56 .05
    "IND" 1 2011    .06918227  1.51 .05
    "IND" 1 2012    .13516925  2.53 .05
    "IND" 1 2013    .10720071  2.88 .06
    "IND" 1 2014    .13392891  3.05 .06
    "IND" 1 2015     .1155399  1.32 .06
    "IND" 1 2016    .05809039  1.11 .06
    "IND" 1 2017 -.0018250737  1.58 .06
    "IND" 1 2018    .04352719  1.36 .06
    "IND" 1 2019    .06931094  1.52 .07
    "DEU" 2 2000    .04164081   .78 .02
    "DEU" 2 2001    .03759978    .2 .02
    "DEU" 2 2002     .0456422   .41 .02
    "DEU" 2 2003    .04965038   .61 .02
    "DEU" 2 2004    .05553603   .26 .02
    "DEU" 2 2005    .08676609   .85 .02
    "DEU" 2 2006    .03870017  1.28 .02
    "DEU" 2 2007 -.0008802175   .28 .02
    "DEU" 2 2008    .02235873   .35 .02
    "DEU" 2 2009 -.0016572616    .6 .03
    "DEU" 2 2010    .09312378   .38 .03
    "DEU" 2 2011    .04520084  1.19 .03
    "DEU" 2 2012    .08836572  2.62 .03
    "DEU" 2 2013    .04712279  3.65 .04
    "DEU" 2 2014  -.008591917  2.56 .05
    "DEU" 2 2015   .032214593  1.96 .05
    "DEU" 2 2016    .10638236  3.04 .05
    "DEU" 2 2017    .07112782   .02 .05
    "DEU" 2 2018     .1014784  1.69 .05
    "DEU" 2 2019     .0616702  1.01 .05
    "CZE" 3 2000   -.01987472  1.42 .02
    "CZE" 3 2001   .007181433  1.62 .02
    "CZE" 3 2002   -.01272075  1.18 .02
    "CZE" 3 2003    .11679617   .78 .02
    "CZE" 3 2004   -.04826754   1.2 .02
    "CZE" 3 2005 -.0003802519  1.45 .02
    "CZE" 3 2006    .04765927  1.39 .02
    "CZE" 3 2007    .05874348  1.54 .03
    "CZE" 3 2008    .06105317  1.37 .04
    "CZE" 3 2009    .08727152  1.17 .04
    "CZE" 3 2010    .14144033  1.03 .06
    "CZE" 3 2011     .0582503   .82 .07
    "CZE" 3 2012    .18659545   .91 .07
    "CZE" 3 2013    .12055311   .95 .07
    "CZE" 3 2014    .14685133  1.24 .08
    "CZE" 3 2015    .13854367  1.08 .08
    "CZE" 3 2016    .02666692   1.2 .09
    "CZE" 3 2017   .026398277  1.89 .09
    "CZE" 3 2018     .0862654  1.07 .09
    "CZE" 3 2019    .07237288  1.45 .08
    "DNK" 4 2000    .08740575  6.34 .22
    "DNK" 4 2001    .04809574   1.6 .23
    "DNK" 4 2002    .04017489  2.38 .22
    "DNK" 4 2003     .0541735  4.82 .22
    "DNK" 4 2004    .08293436  7.32 .24
    "DNK" 4 2005   .024303135  8.28 .25
    "DNK" 4 2006    .05592063 11.87 .29
    "DNK" 4 2007    .14693995 12.67 .36
    "DNK" 4 2008    .10584673 11.79 .44
    "DNK" 4 2009    .02682269  7.36 .48
    "DNK" 4 2010    .07853638  6.98 .53
    "DNK" 4 2011     .0977805  5.48 .54
    "DNK" 4 2012  -.033377357  7.35 .59
    "DNK" 4 2013   -.04659412  4.83 .58
    "DNK" 4 2014  -.007580099  9.71 .59
    "DNK" 4 2015    .05431696  6.02 .58
    "DNK" 4 2016    .04441751   7.6 .57
    "DNK" 4 2017   .037067804  6.32 .56
    "DNK" 4 2018   .002243906  5.73 .58
    "DNK" 4 2019    .07730155  5.25 .59
    "MEX" 5 2000    .18925112  3.33 .04
    "MEX" 5 2001   -.07218106  1.68 .04
    "MEX" 5 2002  .0042952863   .96 .04
    "MEX" 5 2003    .06231368  1.79 .04
    "MEX" 5 2004   .072511785  1.57 .04
    "MEX" 5 2005   .028754147  1.35 .05
    "MEX" 5 2006    .02767835  3.11 .05
    "MEX" 5 2007    .20103295  5.57 .07
    "MEX" 5 2008    .12540793  9.47 .07
    "MEX" 5 2009   -.04676617  9.11 .07
    "MEX" 5 2010    .11852135  7.85 .08
    "MEX" 5 2011    .13678144  8.26 .08
    "MEX" 5 2012    .12894565  7.98 .09
    "MEX" 5 2013     .0806549  5.14  .1
    "MEX" 5 2014     .0586983  6.14  .1
    "MEX" 5 2015   -.06077656  6.46 .12
    "MEX" 5 2016    -.0406941  6.21 .13
    "MEX" 5 2017   .034285426  5.39 .14
    "MEX" 5 2018    .02843982  4.44 .15
    "MEX" 5 2019      .072108  5.68 .15
    end
    All suggestions are welcomed. Thank you in advance
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