[R] Magnitude of trend in time series

mike waters dr.mike at ntlworld.com
Sat Jan 13 15:10:26 CET 2007


 Rand Wilcox has produced a set of functions for S-Plus and (IIRC) R, which
includes Theil-Sen regression.

The following url gives a pdf to the workshop that they were designed to
accompany, along with instructions on how to source and use them.

http://psychology.usc.edu/rwilcox/workshop.pdf 

The following url is to his homepage which gives the above link plus those
to the function files themselves.

http://psychology.usc.edu/faculty_homepage.php?id=43


HTH

Regards

Mike

-----Original Message-----
From: r-help-bounces at stat.math.ethz.ch
[mailto:r-help-bounces at stat.math.ethz.ch] On Behalf Of Barry Baker
Sent: 12 January 2007 23:48
To: r-help at stat.math.ethz.ch
Subject: [R] Magnitude of trend in time series

Hello,

I am analyzing some climate time series data using the Mann Kendall package
and was wondering if there was a way to calculate the trend using Sen's
nonparametric estimator slope in R?

Thank you in advance,
Barry
_________________________
Barry Baker, Ph.D.
Global Climate Change Initiative
The Nature Conservancy
2424 Spruce St., Suite 100
Boulder, CO 80302

Tel: (303)-541-0322
Fax: (303)-449-4328

http://nature.org/tncscience/scientists/misc/baker.html

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