| To: | s-news@wubios.wustl.edu |
|---|---|
| Subject: | Summary of the answers to numerical derivative |
| From: | yiwu ye <yiwu21111958@yahoo.com> |
| Date: | Wed, 14 Sep 2005 23:35:12 -0700 (PDT) |
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Dear list members,
Yesterday, I asked about how to do numerical
derivatives.
Bill Shipley and Tim Hesterber suggested to use
predict() for smooth.spline(). David Parkhurst
suggested using a approximation method. They all work
well and produced exaxtly what I want. Thank you all
very much.
Best wishes
Yiwu
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