Hi Rahmat<br><br>You can use this function for your period for single season : d tcorr(p,sst,t-45,t+45)<br>This function take a 45 days before and 45 days later(45+45=90=3month=1season) and a correlation in this period.<br>
<br>Regards<br><br>Saeed Bayat<br>M.Sc Student of Climatology<br>Ferdowsi University of Mashhad(Iran)<br><a href="mailto:saeedbayat7276@gmail.com">saeedbayat7276@gmail.com</a><br><br><div class="gmail_quote">On Thu, Jun 9, 2011 at 10:31 AM, rahmat hidayat <span dir="ltr"><<a href="mailto:rahidayat@gmail.com">rahidayat@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"><p style="margin: 0mm 0mm 0pt;" class="MsoNormal"><span lang="EN-US"><font face="Century" size="3">Dear group,</font></span></p>
<p style="margin: 0mm 0mm 0pt;" class="MsoNormal"><span lang="EN-US"><font face="Century" size="3"> </font></span></p>
<div style="margin: 0mm 0mm 0pt;" class="MsoNormal"><span lang="EN-US"><font face="Century" size="3">Say I have 2 data sets, namely CMAP precipitation and SST from the period of 1979-2009 and I would like to calculate correlation between them. It is easier to calculate the correlation coefficient over the whole year period by using tcorr function. </font></span></div>
<div style="margin: 0mm 0mm 0pt;" class="MsoNormal"><span lang="EN-US"><font face="Century" size="3"></font></span> </div>
<div style="margin: 0mm 0mm 0pt;" class="MsoNormal"><span lang="EN-US"><font face="Century" size="3">My problem is how to calculate the seasonal correlation between them, for example calculate the correlation coefficient only for summer (JJA) or winter time (DJF)</font></span></div>
<div style="margin: 0mm 0mm 0pt;" class="MsoNormal"><span lang="EN-US"><font face="Century" size="3">Thanks in Advance</font></span></div>
<div style="margin: 0mm 0mm 0pt;" class="MsoNormal"><span lang="EN-US"><font face="Century" size="3"></font></span> </div>
<div style="margin: 0mm 0mm 0pt;" class="MsoNormal"><span lang="EN-US"><font face="Century" size="3">regards,</font></span></div>
<div style="margin: 0mm 0mm 0pt;" class="MsoNormal"><span lang="EN-US"><font face="Century" size="3">rahmat</font></span></div>
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<br></blockquote></div><br>