Category: Blog

If I ever have the need to share something work or non work related it will be here.

This sounds extremely promising for those using data frames in R!

This sounds extremely promising for those using data frames in R!

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#R #dplyr

Originally shared by +Sharon Machlis

If you use plyr, you'll probably want to know about what +Hadley Wickham tweeted is "the next iteration of plyr with more speed, a nicer API, and seamless database support" specifically for data frames.

http://blog.rstudio.org/2014/01/17/introducing-dplyr/

Introducing dplyr
dplyr is a new package which provides a set of tools for efficiently manipulating datasets in R. dplyr is the next iteration of plyr, focussing on only data frames. dplyr is faster, has a more cons…

Skulls of early Homo erectus from the site of Dmanisi, Georgia, are all quite different

Skulls of early Homo erectus from the site of Dmanisi, Georgia, are all quite different

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"Together with the fossilized bones of four additional individuals discovered in close proximity, the skulls indicates that populations of early Homo comprised a wider range of morphological variation than traditionally assumed, which implies a single evolving lineage with continuity across continents. "

So who knows, maybe H rudolfensis, H gautengensis, H ergaster and possibly H habilis are all H erectus! If true this would be a game changer as it could indicate that our predecessors at a specific time and place are way less similar to each other than was expected until now.

Read both papers in Science:

http://www.sciencemag.org/content/342/6156/297.short
http://www.sciencemag.org/content/342/6156/326.short

#science #paper #homosapiens #evolution #homoerectus #Dmanisi #palaeontology