<div dir="ltr"><div>Dear Ehsan,</div><div><br></div><div>The answer is ratio need to be the ratio of standard deviation (STD).<br></div><div>Reading the Taylor (2001) article, you will see that the ratio that has to be computed is the ratio of standard deviation. So the labels are corrects.</div><div>Looking at <span style="font-family:bookman old style,new york,times,serif;font-size:16px;white-space:pre-wrap"></span><a href="https://www.ncl.ucar.edu/Applications/taylor.shtml">https://www.ncl.ucar.edu/Applications/taylor.shtml</a> and in particular at taylor_2.ncl example, you will see that second point of "p" data set has a ratio of 0.5 which is represented by the blue point labeled 2 in the diagram that has a distance from the origin of 0.5. Thus no root_square is applied to ratio before drawing the point in the diagram.</div><div>So ratio has to be the ratio of STD, and the comment in taylor_3.ncl is erroneous.</div><div><br></div><div>Have a nice day,<br></div><div><br></div><div>Serena</div><div><br> </div><div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div>.¸. , . .·´¯`·<br> ><(((º> `·.¸.·´¯`·...¸><(((º>¸.¸. , . .·´¯`· ><(((º> .<br>`·.¸.·´¯`·...¸><(((º> .<br> .<br> Serena ILLIG-THEVENIN LEGOS/IRD .</div>
<div> <span> .</span> <br> <span>University of Cape Town - UCT .<br></span><span><span> Department of Oceanography .</span></span><br><span><span><span> Private Bag X3, Rondebosch 7701 .<br></span></span> </span>SOUTH AFRICA .<br> .<br> E-mail : <i><a href="mailto:serena.illig@ird.fr" target="_blank">serena.illig@ird.fr</a> </i> .</div><div> Web-site : <a href="http://sillig.free.fr" target="_blank">http://sillig.free.fr </a> .<br> Fax : +27 21 650 3979 <span style="background-color:rgb(255,255,255);color:rgb(80,0,80);font-family:arial,sans-serif;font-size:13px"></span> .</div>
<div> .<br> <º)))><..·´</div><div><br></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Feb 12, 2019 at 7:10 PM Ehsan Taghizadeh <<a href="mailto:ehsantaghizadeh@yahoo.com">ehsantaghizadeh@yahoo.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div class="gmail-m_-5767557606741496223ydp58df71f6yahoo-style-wrap"><div style="font-family:bookman old style,new york,times,serif;font-size:16px"></div>
<div>Hi,<br>May I ask <span style="font-family:bookman old style,new york,times,serif;font-size:16px"><span style="color:rgb(0,0,0);font-family:bookman old style,new york,times,serif;font-size:16px;white-space:pre-wrap">about </span></span> "<span style="font-family:bookman old style,new york,times,serif;font-size:16px;white-space:pre-wrap">_ratio" in "taylor_3.ncl" (</span><a rel="nofollow" style="font-family:bookman old style,new york,times,serif;font-size:16px">https://www.ncl.ucar.edu/Applications/taylor.shtml</a><span style="white-space:pre-wrap">), which is ratio of "standard deviations" or "variances". Because in that has been written "_ratio are the ratio: Case_Variance/Reference_Variance"! However the label of axes are "Standard Deviations (Normalized)"!</span></div><div><span style="white-space:pre-wrap">I'll be thankful if I have any help.</span></div><div><span style="white-space:pre-wrap"><br></span></div><div><span style="white-space:pre-wrap">Sincerely</span></div><div style="font-family:bookman old style,new york,times,serif;font-size:16px"><br></div>
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<div>----- Forwarded Message -----</div>
<div><b>From:</b> Ehsan Taghizadeh <<a>ehsantaghizadeh@yahoo.com</a>></div><div><b>To:</b> Ncl-talk <<a>ncl-talk@ucar.edu</a>></div><div><b>Sent:</b> Friday, February 8, 2019, 4:40:35 PM GMT+3:30</div><div><b>Subject:</b> Taylor diagram</div><div><br></div>
<div><div id="gmail-m_-5767557606741496223ydpa53dc3ebyiv3351781512"><div><div>Hi,</div><div>First of all I really sorry hearing about the destiny of NCL. I have had many helps from ncl-talk to write several scripts for my PhD thesis and also for my job. However I hope the best for NCL team.</div><div><br></div><div>Second I have a problem again to draw a plot and I'll be thankful if I could have any help.</div><div>I want to plot taylor diagram and for that I saw these links:</div><div><a rel="nofollow">http://www.ncl.ucar.edu/Document/Functions/Contributed/taylor_stats.shtml</a><br></div><div>and</div><div><a rel="nofollow">https://www.ncl.ucar.edu/Applications/taylor.shtml</a><br></div><div>Based on them I've plot the attached one (taylor.png). However I want to have RMSE too (something like Figure 1 in Taylor Diagram Primer (Taylor_2005.png)). May be taylor_stats could help for this, but I'm not sure. Could I know how to add RMSE to this plot. However it doesn't matter to be normalized taylor diagram or not.</div><div>My data and scripts are also attached, if needed.</div><div><br></div><div>Sincerely</div><div>Ehsan</div><div class="gmail-m_-5767557606741496223ydpa53dc3ebyiv3351781512ydpd0c06fcbyahoo-style-wrap" style="font-family:bookman old style,new york,times,serif;font-size:16px"></div></div></div></div>
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