[R] Bootstrapping data with a regression model

Chuck Cleland ccleland at optonline.net
Sun Feb 24 22:12:34 CET 2008


On 2/24/2008 4:03 PM, Felipe Carrillo wrote:
> Hello all:
> Just wondering if I can get advice on what kind of
> bootstrapping I should use when using a regression
> model to estimate juvenile fish passage data. I use
> rotary screw traps to do fish mark-recapture trials
> and the efficiency of every trial is added to the
> graph generating a different R-square and equation
> everytime. I plot river flows along the X axis and %
> trap efficiency along the Y axis. I have read about
> the different bootstrapping approaches but I am not
> sure how to do it..any help is appreciated.

   You might check out the the relevant web appendix by John Fox in the 
Contributed Documentation section of CRAN:

http://cran.r-project.org/doc/contrib/Fox-Companion/appendix.html

http://cran.r-project.org/doc/contrib/Fox-Companion/appendix-bootstrapping.pdf

> Felipe D. Carrillo
>   Fishery Biologist
>   US Fish & Wildlife Service
>   California, USA
> 
> 
> 
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-- 
Chuck Cleland, Ph.D.
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