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Feed: Featured Blog Posts - Data Science Central. Author: Bill Schmarzo. There is a phrase in baseball about pitchers “pitching through pain” that refers to pitchers taking the mound to pitch even though they have aches and pains – sore arms, stiff joints, blisters, strained muscles, etc. The idea is that these pitchers are so tough that they can pitch effectively even though they are not quite physically right.  However, when the human system is asked to do something that it’s not prepared to do in the most effective manner, other bad habits emerge in an attempt to counter these ... Read More

Feed: R-bloggers. Author: Thinking inside the box. [This article was first published on Thinking inside the box , and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. A new package of mine arrived on CRAN yesterday, having been uploaded a few days prior on the weekend. It extends the most excellent (and very minimal / zero depends) unit testing package tinytest by Mark van der Loo with the very clever and well-done diffobj package ... Read More

Feed: R-bloggers. Author: Chris Paciorek. [This article was first published on R – NIMBLE, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. We’ll be giving a short course on NIMBLE on January 7, 2020 at the Bayes Comp 2020 conference being held January 7-10 in Gainesville, Florida, USA. Bayes Comp is a popular biennial ISBA-sponsored conference focused on computational methods/algorithms/technologies for Bayesian inference. The short course focuses on programming algorithms in NIMBLE and ... Read More

Feed: R-bloggers. Author: LeaRning Stats. [This article was first published on LeaRning Stats, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. Chebychev’s Theorem gives bounds on how spread out a probability distribution can be from the mean, in terms of the standard deviation. More precisely, if (X) is a random variable with mean (mu) and standard deviation (sigma), then [P(|X – mu| ge k sigma) le frac {1}{k^2}.] When I was an undergraduate ... Read More

Feed: Planet MySQL; Author: Michael McLaughlin; Six years ago I wrote a common lookup post to illustrate the effectiveness of things used throughout your applications. Now, I’m updating my student image with a more complete solution to show how to avoid update anomalies. In the prior post, I used a while loop in PHP, like the following: do { ... } while($stmt->next_result()); Using PHP Version 7.3.8 and MySQL 8.0.16, that now raises the following error message: Strict Standards: mysqli_stmt::next_result(): There is no next result set. Please, call mysqli_stmt_more_results()/mysqli_stmt::more_results() to check whether to call this function/method in /var/www/html/app/library.inc on line 81 ... Read More

Feed: R-bloggers. Author: Random R Ramblings. [This article was first published on Random R Ramblings, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. Related If you got this far, why not subscribe for updates from the site? Choose your flavor: e-mail, twitter, RSS, or facebook ... Read More

Feed: O'Reilly Media, Inc. Upcoming Titles. Author: O'Reilly Media, Inc.. When it comes to choosing, using, and maintaining a database, understanding its internals is essential. But with so many distributed databases and tools available today, it’s often difficult to understand what each one offers and how they differ. With this practical guide, Alex Petrov guides developers through the concepts behind modern database and storage engine internals. Throughout the book, you’ll explore relevant material gleaned from numerous books, papers, blog posts, and the source code of several open source databases. These resources are listed at the end of parts one and ... Read More

Feed: R-bloggers. Author: hrbrmstr. [This article was first published on R – rud.is, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. This past week @propublica linked to a really spiffy resource for getting an overview of a Twitter user’s profile and activity called accountanalysis. It has a beautiful interface that works as well on mobile as it does in a real browser. It also is fully interactive and supports cross-filtering (zoom in on ... Read More

Feed: R-bloggers. Author: hrbrmstr. [This article was first published on R – rud.is, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. RSwitch is a macOS menubar application that works on macOS 10.14+ and provides handy shortcuts for developing with R on macOS. Version 1.5.0 brings a reorganized menu system and the ability to manage and make connections to RStudio Server instances. Here’s a quick peek at the new setup: All books, links, and ... Read More

Feed: R-bloggers. Author: R Views. [This article was first published on R Views, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here) Want to share your content on R-bloggers? click here if you have a blog, or here if you don't. R/Medicine 2019 kicked off on Thursday with two outstanding workshops. It was difficult to choose between the two, but fortunately both presenters developed rich sets of materials that are available online. Alison Hill delivered R Markdown for Medicine with an elegant HTML exposition masterfully created to cultivate beginners while still engaging experienced ... Read More