<div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div>Not sure what you are asking. <br></div><div>Perhaps:<br></div><div dir="ltr"><br></div><div dir="ltr"><a href="https://www.ncl.ucar.edu/Document/Functions/Built-in/lspoly_n.shtml" target="_blank"><b>https://www.ncl.ucar.edu/Document/Functions/Built-in/lspoly_n.shtml</b></a></div><div dir="ltr"><br></div><div dir="ltr">[ also"<b> <a href="https://www.ncl.ucar.edu/Document/Functions/Built-in/lspoly.shtml" target="_blank">https://www.ncl.ucar.edu/Document/Functions/Built-in/lspoly.shtml</a></b> <span style="color:rgb(0,0,0)">]</span><br></div><div dir="ltr"><br></div><div dir="ltr">=================================<br></div><div dir="ltr"><a href="https://www.ncl.ucar.edu/Applications/regress.shtml" target="_blank"><b>https://www.ncl.ucar.edu/Applications/regress.shtml</b></a></div><div dir="ltr">regress_6.ncl</div><div dir="ltr">--</div><div dir="ltr"><a href="https://www.ncl.ucar.edu/Applications/scatter.shtml" target="_blank"><b>https://www.ncl.ucar.edu/Applications/scatter.shtml</b></a></div><div>scatter_9.ncl</div><div>---</div><div><br></div><div>I have attached a very simple chi-square, least-square test statistic function.</div><div><br></div><div>%> ncl test.chisq_curve.ncl<br></div><div><br></div><div>Good luck<br></div><div><br></div></div></div></div></div><br><div class="gmail_quote"><div dir="ltr">On Tue, Dec 4, 2018 at 1:57 PM Xi Chang <<a href="mailto:xi.chang01@gmail.com" target="_blank">xi.chang01@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Dear NCL,<br>
<br>
Is there any function to make a fitting line with a parabolic curve in NCL?<br>
<br>
Thank you<br>
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