Model averaging in ecology: a review of Bayesian, information-theoretic and tactical approaches for predictive inference

This (co-)guest post by Carsten F. Dormann & Florian Hartig summarizes a comprehensive review on model averaging for predictive inference, just published in Ecological Monographs.

Slow R code? Try parallelizing!

In the last while, a number of people that were fighting with slow R code asked me for advice. Commendably, they had ticked off the usual suspects such as Do you loop over things that could be vectorized? Do you have everything as arrays, do you avoid resizing, do you avoid accessing with $NAMES? Have…