<div dir="ltr"><div dir="ltr"><div dir="ltr"><div>I am not aware of any NCL based software that computes ARIMA parameters.</div><div>That would require a suite of 'advanced' statistical modules. That is not what NCL is designed to do.</div><div><br></div><div>If you can find a fortran or C code that computes the needed parameters, you could call that from NCL.</div><div>See: <a href="https://www.ncl.ucar.edu/Document/Tools/WRAPIT.shtml"><b>https://www.ncl.ucar.edu/Document/Tools/WRAPIT.shtml</b></a></div><div>---<br></div><div>For sure, R [likely: Matlab/Python/Excel] would have a simple interface to calculate the desired ARIMA parameters.<br></div><div>---</div><div>Sorry</div><div>Good Luck<br></div><div><br></div></div></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Jan 29, 2020 at 11:06 AM Xi Chang via ncl-talk <<a href="mailto:ncl-talk@ucar.edu">ncl-talk@ucar.edu</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 dir="ltr">Dear NCL,<div><br></div><div>Can you help me with how to calculate second-order autoregressive coefficients using NCL? Lets say I have a variable X (2000 days), and I want to generate the coefficients for AR2. Thank you</div><div><br></div><div>Chang</div></div>
_______________________________________________<br>
ncl-talk mailing list<br>
<a href="mailto:ncl-talk@ucar.edu" target="_blank">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/mailman/listinfo/ncl-talk</a></blockquote></div>