July 2007

Adaptive tau-leaping in SSA

July 26, 2007 | 0 Comments

Just a brief update on my activities 11 days before the R package GillespieSSA is to be released. I have been hacking away on the code, debugging, and running test simulations like there is no tomorrow. The last SSA implementation … Continue reading → [Read more...]

Further Bioclipse QSAR functionality development

July 26, 2007 | 0 Comments

I had some time to work some more on the QSAR functionality in Bioclipse. There is still much to do, but it is getting there. The calculation of a QSAR descriptor data matrixThis screenshot shows that multi-resource selection is now working, and that t... [Read more...]

Variance-Covariance Matrix in glm

July 20, 2007 | 0 Comments

This is a small function Venables and Ripley provide in their MASS book. You don't need it anymore because vcov() has a method for the glm class. However, it is useful to see how to extract bits from a fitted model object.vcov.glm #return the variance-covariance matrix of a ... [Read more...]

Visualizing Data

July 18, 2007 | 0 Comments

Sometimes it is helpful to see the plots created from the example files within R libraries. Of course you can paste them directly into R, but this web page allows you to view the images within the context of the help files:R Graphical ManualsAlso, chec... [Read more...]

Abstract for useR! 2007 poster

July 15, 2007 | 0 Comments

Here’s my submitted abstract for the poster I will be presenting at the useR! 2007 meeting in August. GillespieSSA: A stochastic simulation package for R Mario Pineda-Krch Center for Animal Disease Modeling and Surveillance University of California, Davis Abstract Stochastic … Continue reading →
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ESA 2007 – San Jose here I come!

July 12, 2007 | 0 Comments

Finally took the leap and decided to go the ESA (Ecological Society of America) meeting despite it clashing with the useR! meeting. After checking out their smörgåsbord of a program there were simply too many yummy temptations, e.g. Alan Hastings … Continue reading →
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useR! 2007 – Ames here I come!

July 6, 2007 | 0 Comments

Yesterday I decided that I will go the the useR! 2007 meeting after all. Initially I was a bit apprehensive, I was not sure if I had the time to spare and I like to present something when I go … Continue reading →
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