<p style="MARGIN: 0mm 0mm 0pt" class="MsoNormal"><span lang="EN-US"><font size="3" face="Century">Dear group,</font></span></p>
<p style="MARGIN: 0mm 0mm 0pt" class="MsoNormal"><span lang="EN-US"><font size="3" face="Century"> </font></span></p>
<div style="MARGIN: 0mm 0mm 0pt" class="MsoNormal"><span lang="EN-US"><font size="3" face="Century">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 size="3" face="Century"></font></span> </div>
<div style="MARGIN: 0mm 0mm 0pt" class="MsoNormal"><span lang="EN-US"><font size="3" face="Century">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 size="3" face="Century">Thanks in Advance</font></span></div>
<div style="MARGIN: 0mm 0mm 0pt" class="MsoNormal"><span lang="EN-US"><font size="3" face="Century"></font></span> </div>
<div style="MARGIN: 0mm 0mm 0pt" class="MsoNormal"><span lang="EN-US"><font size="3" face="Century">regards,</font></span></div>
<div style="MARGIN: 0mm 0mm 0pt" class="MsoNormal"><span lang="EN-US"><font size="3" face="Century">rahmat</font></span></div>