[ncl-install] trend_manken

[Dong Si]

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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