3112 search results for "TwitteR"

8th MilanoR Meeting – Presentations, photos and video!

April 10, 2017
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8th MilanoR Meeting – Presentations, photos and video!

Hello R-users <3 The 8th MilanoR Meeting was great! Thank you very much for your interest and participation! A short recap for those who weren't there: the meeting was last Wednesday evening at the Microsoft House (a very nice location, thanks @dr_mattia for your support!). We had two exceptional speakers: Stefano Iacus, member of the R The post

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In case you missed it: March 2017 roundup

April 10, 2017
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In case you missed them, here are some articles from March of particular interest to R users. A tutorial and comparison of the SparkR, sparklyr, rsparkling, and RevoScaleR packages for using R with Spark. An analysis of Scrabble games between AI players. The doAzureParallel package, a backend to "foreach" for parallel computations on Azure-based clusters. The UK government project...

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How and when: ridge regression with glmnet

April 10, 2017
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How and when: ridge regression with glmnet

@drsimonj here to show you how to conduct ridge regression (linear regression with L2 regularization) in R using the glmnet package, and use simulations to demonstrate its relative advantages over ordinary least squares regression.  Ridge regression Ridge regression uses L2 regularisation to weight/penalise residuals when the parameters of a regression model are being learned. In the context of...

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#4: Simpler shoulders()

April 8, 2017
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#4: Simpler shoulders()

Welcome to the fourth post in the repulsively random R ramblings series, or R4 for short. My twitter feed was buzzing about a nice (and as yet unpublished, ie not-on-CRAN) package https://github.com/dirkschumacher/thankr by Dirk Schumacher which compiles a a list of packages (ordered by maintainer count) for your current session (or installation or ...) with a...

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The faces of R, analyzed with R

April 7, 2017
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The faces of R, analyzed with R

Maëlle Salmon recently created a collage of profile pictures of people who use the #rstats hashtag in their Twitter bio to indicate their use of R. (I've included a detail below; click to see the complete version at Maëlle's blog.) Naturally, Maëlle created the collage using R itself. Matching Twitter bios were found using the search_users function in the...

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R benchmark for High-Performance Analytics and Computing (II): GPU Packages

April 7, 2017
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R benchmark for High-Performance Analytics and Computing (II): GPU Packages

Share This: 1. Overview In the previous post (here), we have analyzed the performance gain of R in the heterogeneous system by accelerators, including NVIDIA GPU and Intel Xeon Phi. Furthermore, GPU accelerated packages can greatly improve the performance of R. Figure 1 shows the download statistics of CRAN over the years. Obviously, GPU is

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The Run(chart)ing Man

April 5, 2017
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The Run(chart)ing Man

Measurement for improvement in healthcare with R and Qlik - My not so secret obsession Anyone in the small subset of the Earth’s population who both read this blog AND follow me on Twitter will know that I spend a lot of time at work eithe...

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R track on exercism.io

April 4, 2017
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R track on exercism.io

The devil is in the details! - As I’ve said before, when it comes to programming I’m a firm believer in the “learn by doing” approach. exercism.io is a project which exemplifies this. I came across exercism.io earlier this year while ex...

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Key Phrase Extraction from Tweets

April 2, 2017
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Key Phrase Extraction from Tweets

In a previous post of mine published at DataScience+, I analyzed the text of the first presidential debate using relatively simple string manipulation functions to answer some high level questions from the available text. In this post, we leverage a few other NLP techniques to analyze another text corpus – A collection of tweets. Given Related Post

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Simple Offline Airport Wi-Fi Tracker in R

April 2, 2017
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@visualisingdata rebroadcast this tweet today: Wireless Passwords From Airports And Lounges Around The World https://t.co/OV0WJfwj8E— deb verhoeven (@bestqualitycrab) April 2, 2017 The Google Maps interface is a bit meh and the “formatted” data is also a bit meh but the data is useful when travelling (NOTE: always use a VPN in airports on both your... Continue reading...

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