<div dir="ltr"><div><div><div>It is unlikely that a person will read a scientific paper to answer an ncl-talk  question:<br> <br>       <b>"</b><span><b>How author has calculated 0.79?"<br></b></span><span><b> </b></span><br><span></span></div><span><a href="https://www.ncl.ucar.edu/Document/Functions/Built-in/ttest.shtml">https://www.ncl.ucar.edu/Document/Functions/Built-in/ttest.shtml</a><b><br><br></b></span></div><span>performs a two-tailed t-test.<b> <br><br></b></span></div><div><span>Also, <br><br><a href="https://www.ncl.ucar.edu/Document/Functions/Built-in/betainc.shtml">https://www.ncl.ucar.edu/Document/Functions/Built-in/betainc.shtml</a><br></span></div><div><span><b></b></span>See Example 2<br></div><span></span><br><span></span><div><span>===<br></span></div><span>one sided:<b><br>   </b><a href="https://www.ncl.ucar.edu/Document/Functions/Built-in/cdft_p.shtml">https://www.ncl.ucar.edu/Document/Functions/Built-in/cdft_p.shtml</a><b><br>   </b><a href="https://www.ncl.ucar.edu/Document/Functions/Built-in/cdft_t.shtml">https://www.ncl.ucar.edu/Document/Functions/Built-in/cdft_t.shtml<br></a><b><br></b> </span></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Aug 9, 2018 at 12:08 AM, Morteza Qadimi <span dir="ltr"><<a href="mailto:mqadimi@yahoo.com" target="_blank">mqadimi@yahoo.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:16px"><div style="font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:16px"><div style="font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:16px"><span><div style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:16px"><div><span style="font-family:Helvetica,Arial,sans-serif">Hi,</span><br clear="none"></div><div><span style="font-family:Helvetica,Arial,sans-serif"><br clear="none"></span></div></div><div class="m_-3795511104007113807ydp738354f0yiv1900104557ydpdb942961yahoo_quoted" id="m_-3795511104007113807ydp738354f0yiv1900104557ydpdb942961yahoo_quoted_4086371675" style="font-family:"Helvetica Neue",Helvetica,Arial,sans-serif;font-size:16px"><div style="font-size:13px"><div id="m_-3795511104007113807ydp738354f0yiv1900104557ydpdb942961yiv6697017135"><div style="font-size:16px"><div style="font-family:Helvetica,Arial,sans-serif">I need to separate CP and EP El Ni<span><span style="color:rgb(0,0,0);font-family:Helvetica,Arial,sans-serif;font-size:16px;text-align:center">ñ</span></span>o years by the method used in a paper (<i>A new method to classify ENSO events into eastern and central Pacific types)</i>. I have obtained an (1D) EOF-based pattern correlation coefficient array (say EPC1). Then the author says: </div><div style="font-family:Helvetica,Arial,sans-serif"><br clear="none"></div><div style="text-align:center;font-family:Helvetica,Arial,sans-serif">" The EP type El Niño is defined as the case when the EPC1 index is equal to or greater than 0.79 which is significant at the 90% confidence level from the two-tailed Student’s t-test."</div><div style="font-family:Helvetica,Arial,sans-serif"><br clear="none"></div><div style="font-family:Helvetica,Arial,sans-serif">How author has calculated 0.79? Does NCL has a function for that? It has been 2 weeks i am asking for a solution. please help me.</div></div></div></div></div></span></div></div></div></div><br>______________________________<wbr>_________________<br>
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