[ncl-install] trend_manken

[Dennis Shea]

Likely, some adjustment would have to be made. However, that would depend
on the low pass filter. I am not sure how to do that.

For 'fun' use trend_manken on the non-filtered series.

Good Luck

On Mon, Dec 30, 2019 at 5:24 AM Dong Si via ncl-install <
ncl-install at ucar.edu> wrote:

> Hi all,
> I am using the trend_manken function to look at the linear trend for a
> low-pass filtered series. Is the “probability” outputted from the function
> still valid? Since the effective degrees of freedom of the filtered series
> is lower than that of un-filterred series.
> The NCL version is 6.4.0. Thanks.
>
> Best regards,
>
> Dong Si
>
>
>
>
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