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Spatial and Temporal Viz of Gas Price, in France
By arthur charpentier A great think in France, is that we can play with a great database with gas price, in all gas stations, almost eveyday. The file is rather big, so let’s make sure we have enough...
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Overwhelming Growth In National Support for Bernie Sanders Mapped
By Francis Smart The FEC just released the most recent campaign contributor data and the results show a strong continued widespread growth in support for Bernie Sanders across the country. Figure 1: A...
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Make dashboard Tiles/Notecards in R
By Amit Dashboard Tiles/Notecards are a great way to visualize just one number, and make it big and pretty. They can emphasize results in an easily digestible and colourful format. I was surprised that...
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First steps with Non-Linear Regression in R
By Lionel Hertzog Drawing a line through a cloud of point (ie doing a linear regression) is the most basic analysis one may do. It is sometime fitting well to the data, but in some (many) situations,...
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Incase you missed it: My Webinar on Spatial Data Analysis with R
By Daniel Emaasit In case you missed my free webinar on “Getting Started with Spatial Data Analysis with R“, here is the recording. [embedded content] You can access the material used for this webinar...
View ArticleBecause it’s Friday: It’s all about that accent
By David Smith If you thought there was only one British accent, well, I’m guessing you’ve never tried to have a conversation with a Scotsman in bar. Dialect coach Andrew Jack (who trains foreign...
View ArticleJapans ageing population, animated with R
By David Smith The US Census makes a number of its databases available to developers via the Census API. One of those databases is the International Data Base, in which the Census department provides...
View ArticleJapans ageing population, animated with R
By David Smith The US Census makes a number of its databases available to developers via the Census API. One of those databases is the International Data Base, in which the Census department provides...
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Lambda (Box-Cox transformation parameter) value for forecasting using ARIMA
By Tal Galili Guest post by Amit Thombre. Introduction: – George Box and David Cox developed a procedure to identify an appropriate exponent (lambda) to transform the data to improve its normality. The...
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Upload plots as PNG file to your wordpress
By jletteboer Synopsis Note! This post is a addition to Create blog posts from RStudio to WordPress About a week ago I tried to add my blog to R-Bloggers. I thought everything was correct to add it....
View ArticleThe first official Johannesburg R Users’ Meetup!
By Daniel Emaasit We’ve been working hard on obtaining sponsors for the community and setting up a support structure for knowledge sharing and connecting our members. Our first Johannesburg R User...
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Control Structures Loops in R
By suresh kumar Gorakala As part of Data Science tutorial Series in my previous post I posted on basic data types in R. I have kept the tutorial very simple so that beginners of R programming may...
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Principal Component Analysis using R
By suresh kumar Gorakala Curse of Dimensionality:One of the most commonly faced problems while dealing with data analytics problem such as recommendation engines, text analytics is high-dimensional and...
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Video Presentations from London’s EARL2015 Conference
By Liz Matthews Video presentations from last year’s London EARL conference are now available online. There are some we’ve not been allowed to release for permission reasons, some we’re unable to...
View ArticleA Tale of Two Charting Paradigms: Vega-Lite vs R+ggplot2
By hrbrmstr This post comes hot off the heels of the nigh-feature-complete release of vegalite (virtually all the components of Vega-Lite are now implemented and just need real-world user testing)....
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Create Vega-Lite specs & widgets with the vegalite package
By hrbrmstr Vega-Lite 1.0 was released this past week. I had been meaning to play with it for a while but I’ve been burned before by working with unstable APIs and was waiting for this to bake to a...
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New CRAN package gunsales
By Thinking inside the box This is based on joint work with Gregor Aisch and Josh Keller of the New York Times. A new package gunsales is now on the CRAN network for R. It is based the NYTimes/gunsales...
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Network Visualization with Plotly and Shiny
By dgrapov In addition to their more common uses, networks can be used as powerful multivariate data visualizations and exploration tools. Networks not only provide mathematical representations of data...
View ArticleR-based data maps in PowerBI
By David Smith One of benefit of integrating R with PowerBI is access to rich array of data visulizations not present in the standard PowerBI loadout. R is practically unlimited in the types of...
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R-based data maps in PowerBI
By David Smith One of benefit of integrating R with PowerBI is access to rich array of data visulizations not present in the standard PowerBI loadout. R is practically unlimited in the types of...
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