A recent question on X validated ended up being quite interesting! The model under consideration is made of parallel Markov chains on a finite state space, all with the same Markov transition matrix, M, which turns into a hidden Markov model when the only summary available is the number of ...

Like many data nerds, I’m a big fan of Tyler Vigen’s Spurious Correlations, a humourous illustration of the old adage “correlation does not equal causation”. Technically, I suppose it should be called “spurious interpretations” since the correlations themselves are quite real, but then good marketing is everything. There ...

Every student learns how to look up areas under the normal curve using Z-Score tables in their first statistics class. But what is less commonly covered, especially in courses where calculus is […]

I was working on to expand the disease transmission model from my first post but with the currents events, I felt compelled to work on something different. The new United States presidential administration formulated an executive order the end of last week, if issued, will suspend visas of internationals in ...

On occasion of the 10,000th R package on CRAN, eoda operated an automated Twitter account which regularly posted the current number of packages available on CRAN until the 10,000-package milestone…

On occasion of the 10,000th R package on CRAN, eoda operated an automated Twitter account which regularly posted the current number of packages available on CRAN until the 10,000-package milestone has been passed on January 28, 2017. #Rstatsgoes10k – Hello World, it’s 2017-01-28 01:59:03 and currently there are 10000 packages on CRAN. — ...

I was enthused to see a mention of this on the GDELT blog since I’ve been working on an R package dubbed newsflash to work with the API that the form front-ends. Given the current climate, I feel compelled to note that I’m neither a Clinton supporter/defender/...

Halite is an artificial intelligence programming challenge. Players control a bot using the programming language of their choice. Bots fight for control of a 2D grid and the bot with the most territory at the end wins. The company behind Halite is Two Sigma, a New York City-based hedge fund ...