try:<br>-->r=ms_reg('100*lpbi-lagts(2,lpbi)',['100*(lagts(1,lpbi)-lagts(3,lpbi))';'100*(lagts(2,lpbi)-lagts(4,lpbi))';'100*(lagts(3,lpbi)-lagts(5,lpbi))'],'cte',nb_states,switch_var,var_opt,'transf=stud','prt=initial;final')<br>
<br>(you had 2 typos in your command)<br><br>Éric. <br><br><div class="gmail_quote">2013/1/11 ericdoblas <span dir="ltr"><<a href="mailto:ericdoblasargentina@yahoo.com.ar" target="_blank">ericdoblasargentina@yahoo.com.ar</a>></span><br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div id=":27">r=ms_reg('100*lpbi-lagts(2,lpbi))','['100*(lagts(1,lpbi)-lagts(3,lpbi))';'100*(lagts(2,lpbi)-lagts(4,lpbi))';'100*(lagts(3,lpbi)-lagts(5,lpbi))'],'cte',nb_states,switch_var,var_opt,'transf=stud','prt=initial;final')</div>
</blockquote></div><br><br>