by Andy | Oct 11, 2010 | Tutorials
I’m finding it much simpler and convenient to use R now the excellent R and Friends package is available. Here is a brief outline how to do very rapid correlation matrices in R and get the data back into Excel. [flowplayer...
by Andy | Oct 6, 2010 | Marine ecology, Publications
Lea-Anne Henry, Andrew J Davies and J Murray Roberts Spatial heterogeneity in coral reef communities is well documented. This “species turnover” (beta diversity) on shallow warm-water reefs strongly conforms to spatial gradients in the environment as well as spatially...
by Andy | Oct 2, 2010 | Computers, Tutorials
A student asked me how to make a Pivot Table in Excel 2007 and group by a field. So I just drew up this simple video. I thought I’d release it.. Enjoy.. It is so easy! View the screencast below: [PLAYER=pivot_table.m4v]
by Andy | May 27, 2010 | Uncategorized
Today we join the newly refurbished R/V Pelagia for a research cruise to investigate coral habitats off the United States continental shelf. This programme is being run by my colleague Dr Furu Mienis who has recently moved to MARUM in Germany, and involves scientists...
by Andy | May 11, 2010 | General ecology, Marine ecology, Publications
Frederic Mineur, Andrew J. Davies, Christine Maggs, Marc Verlaque and Mark Johnson The invasive alga Sargassum muticum Not all introduced (invasive) species in a region will spread from a single point of introduction. Long-distance dispersal or further introductions...