<div dir="ltr"><div><div>There is no explicit function to remove some unknown non-linear response.<br><br>You must ascertain (eg: eye-ball) the 'shape' of the non-linear response and use a function: eg<br> <a href="http://www.ncl.ucar.edu/Document/Functions/Built-in/lspoly_n.shtml" target="_blank">http://www.ncl.ucar.edu/<wbr>Document/Functions/Built-in/<wbr>lspoly_n.shtml</a><br></div>to generate some baseline. You can remove the non-linear response via (data-lspoly)<br></div>Note: you should plot the output from lspoly_n to make sure it is appropriate.<br><div><div><br>An example of using lspoly is here:<br><a href="http://www.ncl.ucar.edu/Applications/regress.shtml#ex6" target="_blank">http://www.ncl.ucar.edu/<wbr>Applications/regress.shtml#ex6</a><br><br><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Jun 26, 2017 at 10:20 AM, SBR climate <span dir="ltr"><<a href="mailto:sbr.climate@gmail.com" target="_blank">sbr.climate@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi NCL users,<div>I have generated an area averaged time series where the data is having non-linear trend.Is there any function available to to remove the trend from the time-series having non-linear trend.</div><div><br></div><div>Thanks</div><div>SB</div></div>
<br>______________________________<wbr>_________________<br>
ncl-talk mailing list<br>
<a href="mailto:ncl-talk@ucar.edu">ncl-talk@ucar.edu</a><br>
List instructions, subscriber options, unsubscribe:<br>
<a href="http://mailman.ucar.edu/mailman/listinfo/ncl-talk" rel="noreferrer" target="_blank">http://mailman.ucar.edu/<wbr>mailman/listinfo/ncl-talk</a><br>
<br></blockquote></div><br></div>