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Science Lecture by Robert Lund |
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Date: February 8, 2006
Time: 1:00pm
Location: NIA, Rm 137
A Random Walk Through Climate Change
Robert Lund, Clemson University
This talk walks through several statistical issues encountered in
temperature trend analyses. Regression models with time series errors
are introduced as the primary analysis vehicle. These models are used
to study the famous Hansen-Lebedeff series of global temperatures and
about one thousand local temperature recording stations in the 48
contiguous United States. Issues of changepoints, periodicities,
regression response form, and regression memory error structure take
prominent roles. Spatial smoothings of temperature change rates in the
United States over the last 150 years show a cooling Southeast and a
warming Northeast and West.
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