Why is it important? Why is it important? India has a lot to achieve in terms of becoming a developed nation from an economic standpoint. An aspect which, in my opinion, is of utmost importance is the formation of structurally sound and robust financial markets. A prerequisite for that is active participation of educated and informed traders in the market...
Karl Saliba writes with some queries about our football paper, which I have already discussed on the blog here. He says:Thanks to the code in the appendix I could easily replicate (by using WinBUGS) a similar analysis on any football league of my ...
R package developers who use the native API written in C will surely be interested in the Roxygen-generated Documentation of R source code. The documentation is based on the SVN R-devel branch and will be updated on a monthly basis…Read more ›
The most recent edition of the Revolution Newsletter is out. The news section is below, and you can read the full April edition (with highlights from this blog and community events) online. You can subscribe to the Revolution Newsletter to get it monthly via email. Now Available: Revolution R Enterprise 6.2. Released today, this update further enhances the performance,...
So you’re an excel wizard, you make the best graphs and charts Microsoft’s classic product has to offer, and you expertly integrate them into your business operations. Lately you’ve studied up on all the latest uses for data visualization and … Continue reading →The post Data Visualization: From Excel to ??? appeared first on Data Community DC.
EDIT: I am aware of some browsers failing to load the github code below. I will try to improve this as soon as possible. Until then it may work better on www.joesdatadiner.com than at https://www.r-bloggers.com/. Finally all the code is availa...
A few weeks back I dedicated a short amount of time to actually read what plyr (Wickham, 2011) is about and I was surprised. The whole idea behind plyr is very simple: expand the apply() family to do things easy. plyr has many functions whose name ends with ply which is short of apply. Then, the functions are identified...
It used to be that the one of the first decisions to make when learning to program was between compiled (e.g. C or FORTRAN) and interpreted (e.g. Python) languages. In my opinion these days one would have to be a masochist to learn with a compiled language: the extra compilation time and obscure errors are
This is an overview of tools for speeding up your R code that I wrote for the Davis R Users’ Group. First, Ask “Why?” It’s customary to quote Donald Knuth at this point, but instead I’ll quote my twitter buddy Ted Hart to illustrate a point: I’m just going to say it.I like for loops in #Rstats, makes my code...
Here are answers to some more overflow questions asked during our webnar about SciDB-R. (First batch of answers is here.) Can you advise us on hardware configurations for SciDB? Yes. See this blog post. Can you compare HDFS and SciDB? A comparison is d...
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