Blog Archives

literacy rates using semantics and R

June 19, 2013
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literacy rates using semantics and R

(This article was first published on - R, and kindly contributed to R-bloggers) Somehow I stumbled into the world of linked open data trying to pull information easily off of a wikipedia page without having to write a customer scrapper. Enter in dbpedia, semantic technologies and some wonderful R packages take care of the back-end coding. The Research Group...

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rstats shiny app for tracking the next pope

March 2, 2013
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rstats shiny app for tracking the next pope

Update: Apparently this post needs a disclaimer.The probabilities are based on odds published by an online bookmaker. In no way, shape, or form is this an attestation nor algorithmic prediction of who the next Pope will be.The house ALWAYS wins.The odds are developed by the bookmaker as they see fit, this information is not released to the general public...

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data.table or data.frame?

February 2, 2013
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I spent a portion of today trying to convince a colleague that there are times when the data.table package is faster than traditional methods in R. It took a few of the tests below to prove the point.Generate a data.frame of characters and numbers for easy plotting. df <- data.frame(letters = as.character(sample(letters, 1e+08, replace = TRUE)), ...

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