Ok,<div>can you please tell me why?</div><div><br></div><div>I see the same result without the time trend as regressor.</div><div><br></div><div>Thanks</div><div><br></div><div>S.</div><div><br></div><div><br></div><div> </div>
<div><br><br><div class="gmail_quote">On Wed, Oct 26, 2011 at 3:37 PM, Allin Cottrell <span dir="ltr">&lt;<a href="mailto:cottrell@wfu.edu">cottrell@wfu.edu</a>&gt;</span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
<div class="im">On Wed, 26 Oct 2011, Simari wrote:<br>
<br>
</div><div class="im">&gt; Importing data (set on 1,2,3 instead of 13/06/2011,<br>
&gt; 14/06/2011 etc. on file Excel) importing them as cross<br>
&gt; section instead of series and then not adding the time trend<br>
&gt; I have the same result.<br>
<br>
</div>You need to add the time trend and use it as a regressor.<br>
The Excel dates are OK but they are not a &quot;variable&quot;, they&#39;re<br>
just an index of the observations.<br>
<font color="#888888"><br>
Allin Cottrell<br>
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