Category: R

Feed: R-bloggers. Author: xi'an. [This article was first published on R – Xi'an's Og, 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 question from X validated had enough appeal for me to procrastinate about it for ½ an hour: what difference does it make [for simulation purposes] that a target density is properly normalised? In the continuous case, I do not see much to exploit about this knowledge, apart from the value ... Read More

Feed: R-bloggers. Author: Alvaro "Blag" Tejada Galindo. I joined Nylas around four months ago as their first Senior Developer Advocate. It might seem like a short amount of time, but in the startup world, time moves differently.What is Nylas?In a nutshell, Nylas is a set of APIs that allows you to easily connect with any email, calendar and contacts provider without having to go through a lengthy and complex configuration process.In other words, we do the heavy work so you can focus on your business.When it comes to Email, we offer “One Email API for Every Provider”. This means our ... Read More

Feed: R-bloggers. Author: R | mages' blog. [This article was first published on R | mages' blog, 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. Version 0.7.0 of the googleVis R package has been released, adding a new function for Gantt charts. Gantt charts are helpful to illustrates a project schedule and its dependencies. Following the Google documentation the project has to be broken down into task IDs, task names, resources, start date, ... Read More

Feed: R-bloggers. Author: Ashley's Blog. [This article was first published on Ashley's Blog, 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 couple of weeks ago I was looking around for different CSS frameworks to play around with, and came across Semantic HTML (not to be confused with Semantic UI) and I’m hooked! There are several “classless CSS frameworks” that are implemented under the ideology of Semantic HTML: styling of elements (e.g. height ... Read More

Feed: R-bloggers. Author: Dario Radečić. Data Science take-home challenges will definitely get you out of your comfort zone. But you know what? That’s a good thing – it’s the only zone in which you’ll learn something, after all. Taming the take-home challenges is necessary both for beginner and advanced R programmers, but the challenges you’ll work on vary significantly depending on your skill level. Today we bring you 5 data science take-home challenges in R programming language aimed toward complete beginners and those with a couple of years of industry experience. None of the challenges require any domain knowledge, so ... 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. In today’s newsletter Leonardo, an open source project and free online too from Adobe that lets you make great and accessible color palettes for use in UX/UI design and data visualizations! You can read the one newsletter section to get a feel for Leonardo, then go play with it a bit. The ... Read More

Feed: R-bloggers. Author: Open Analytics. [This article was first published on Open Analytics, 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. Solving a nonlinear least squares problem consists of minimizing a least squares objective function made up of residuals $g_1(boldsymbol{theta}), ldots, g_n(boldsymbol{theta})$ that are nonlinear functions of the parameters of interest $boldsymbol{theta} = (theta_1,ldots, theta_p)‘$: $$ boldsymbol{theta}^* = arg min_{boldsymbol{theta}} frac{1}{2} Vert g(boldsymbol{theta}) Vert^2 $$ In the context of regression, this problem is ... Read More

Feed: R-bloggers. Author: R on Stats and R. [This article was first published on R on Stats and R, 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. There is a popular TV show broadcasted in France and the french-speaking part of Belgium called “Koh-Lanta”. In this show, several adventurers are dropped off on a desert island with almost no food nor equipment (just a personal backpack with their clothes and a small portion ... Read More

Feed: R-bloggers. Author: RStudio | Open source & professional software for data science teams on RStudio. Data scientists concentrate on making sense of data through exploratory analysis, statistics, and models. Software developers apply a different set of knowledge with different tools. Although their focus is different, data science teams can benefit from adopting software development best practices. Version control, automated testing, and other dev skills help create reproducible, production-ready code and tools. Rachael Dempsey recently asked the Twitter community for suggestions on resources that data scientists can use to improve their software development skill set. We received so many great ... Read More

Feed: R-bloggers. Author: Stéphane Laurent. [This article was first published on Saturn Elephant, 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 ... Read More