<div dir="ltr"><div>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.</div><div><br></div><div>For 'fun' use trend_manken on the non-filtered series.</div><div><br></div><div>Good Luck<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, Dec 30, 2019 at 5:24 AM Dong Si via ncl-install <<a href="mailto:ncl-install@ucar.edu">ncl-install@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 style="overflow-wrap: break-word;"><div>Hi all,</div><div>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. </div><div>The NCL version is 6.4.0. Thanks.</div><div><br></div><div>Best regards,</div><div><br></div>Dong Si<div><span style="font-size:12px"><br></span></div><div><br><div><br>
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