A few days ago a new upstream version "2.0" of CCTZ was released. See here for the corresponding post on the Google OpenSource Blog. CCTZ is a C++ library for translating between absolute and civil times using the rules of a time zone. It requires only a proper C++11 compiler and ... [Read more...]

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[This article was first published on Reimagined Invention, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share [Read more...]

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This weekend, prompted by a pull request from Michael Friendly, I finally got round to improving the plot method for betadisper() in the vegan package. betadisper() is an implementation of Marti Anderson’s Permdisp method, a multivariate analogue of Levene’s test for homogeneity of variances. In improving the default ... [Read more...]

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The 25 US counties with the highest percentage of bachelors and graduate degrees. The post What are the most educated counties in the US? appeared first on Decision Science News. [Read more...]

by Andrie de Vries Every once in a while somebody asks me how many packages are on CRAN. (More than 8,000 in April, 2016). A year ago, in April 2015, there were ~6,200 packages on CRAN. This poses a second question: what is the historical growth of CRAN packages? One source of information is ... [Read more...]

Motivation This post is the fourth in a series that make up my entry in Ari Lamstein’s R Election Analysis Contest. Earlier posts introduced the nzelect R package, basic usage, how it was built, and an exploratory Shiny web application. Today I follow up on discussion in the StatsChat ... [Read more...]

Christopher Knittel estimates in his article Automobiles on Steroids: Product Attribute Trade-Offs and Technological Progress in the Automobile Sector (American Economic Review, 2011) the technological progress that has occurred since 1980 in the aut... [Read more...]

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In the previous post, we gave you some insights about the simulation of simple birth-death processes with simmer. The extension of such a methodology for more complex queueing networks is immediate and was left as an exercise for the reader. Similarly, today we are going to explore more features of ... [Read more...]

tl;dr: Optional stopping does not bias parameter estimates from a frequentist point of view if all studies are reported (i.e., no publication bias exists) and effect sizes are appropriately meta-analytically weighted. Several recent discussions on the Psychological Methods Facebook group surrounded the question whether an optional stopping procedure ... [Read more...]

  Objectives of Experiments R is more and more popular in various fields, including the high-performance analytics and computing (HPAC) fields. Nowadays, the architecture of HPC system can be classified as pure CPU system, CPU + Accelerators (GPGPU/FPGA) heterogeneous system, CPU + Coprocessors system. In software side, high performance scientific libraries, such ... [Read more...]

Introduction In this article, we examine whether there are advantages to paying for subscription fantasy football projections. We tested whether projections from subscription sources have higher accuracy than projections from free, publicly[...] The post Are Subscription Sources More Accurate? appeared first on Fantasy Football Analytics. [Read more...]