[ncl-talk] fitting data - second order autoregressive (AR2) model

[Dennis Shea]

I am not aware of any NCL based software that computes ARIMA parameters.
That would require a suite of 'advanced' statistical modules. That is not
what NCL is designed to do.

If you can find a fortran or C code that computes the needed parameters,
you could call that from NCL.
See: *https://www.ncl.ucar.edu/Document/Tools/WRAPIT.shtml*
<https://www.ncl.ucar.edu/Document/Tools/WRAPIT.shtml>
---
For sure, R [likely: Matlab/Python/Excel] would have a simple interface to
calculate the desired ARIMA parameters.
---
Sorry
Good Luck


On Wed, Jan 29, 2020 at 11:06 AM Xi Chang via ncl-talk <ncl-talk at ucar.edu>
wrote:

> Dear NCL,
>
> 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
>
> Chang
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