Tutorial: Credit Card Fraud Detection with SQL Server 2016 R Services
By David Smith If you have a database of credit-card transactions with a small percentage tagged as fraudulent, how can you create a process that automatically flags likely fraudulent transactions in...
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Neglected optimization topic: set diversity
By John Mount The mathematical concept of set diversity is a somewhat neglected topic in current applied decision sciences and optimization. We take this opportunity to discuss the issue. The problem...
View ArticleData Exploration with Kaggle – R Tutorial
By DataCamp Blog Ever wonder where to begin your data analysis? Exploratory Data Analysis (EDA) is often the best starting point. Take the new hands-on course from Kaggle & DataCamp “Data...
View ArticleflipsideR: Support for ASX Option Chain Data
By Andrew Collier I previously wrote about some ad hoc R code for downloading Option Chain data from Google Finance. I finally wrapped it up into a package called flipsideR, which is now available via...
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“Using R for Introductory Econometrics”
By Dave Giles Recently, I received an email from Florian Heiss, Professor and Chair of Statistics and Econometrics at the Henrich Heine University of Dusseldorf. He wrote: “I’d like to introduce you to...
View Article15 graphs on consumer and brand research made by Plotly users
By Riddhiman Below are 15 charts made in Plotly or using Ploty’s APIs by users on Brand and consumer Research. Related To leave a comment for the author, please follow the link and comment on their...
View Articleggseas package for seasonal adjustment on the fly with ggplot2
By Peter’s stats stuff – R In a post a few months ago I built a new ggplot2 statistical transformation (“stat”) to provide X13-SEATS-ARIMA seasonal adjustment on the fly. With certain exploratory...
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EARL London 2016 – Call for Abstracts
By Liz Matthews We are pleased to announce a call for abstracts for presentations for this year’s London EARL (Effective Applications of the R Language) Conference – 13th – 15th September 2016...
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Using SVG graphics in blog posts
By Markus Gesmann tag, or perhaps better the tag. Paul Murrell provides further details on his blog. With my code looks like this: There is a little trick required to display a graphic file hosted on...
View ArticleTutorial: Credit Card Fraud Detection with SQL Server 2016 R Services
By David Smith If you have a database of credit-card transactions with a small percentage tagged as fraudulent, how can you create a process that automatically flags likely fraudulent transactions in...
View ArticleR User Groups in Poland
By Joseph Rickert by Przemyslaw Biecek The first meeting of R users in Poland took place in Wroclaw in 2008. It was a one-day conference with 27 participants and 6 talks. Today, we have three large...
View ArticleR User Groups in Poland
By Joseph Rickert by Przemyslaw Biecek The first meeting of R users in Poland took place in Wroclaw in 2008. It was a one-day conference with 27 participants and 6 talks. Today, we have three large...
View ArticleNew Release of RStudio (v0.99.878)
By jjallaire We’re pleased to announce that a new release of RStudio (v0.99.878) is available for download now. Highlights of this release include: Support for registering custom RStudio Addins. R...
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New Release of RStudio (v0.99.878)
By jjallaire We’re pleased to announce that a new release of RStudio (v0.99.878) is available for download now. Highlights of this release include: There are lots of other small improvements across the...
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Using SVG graphics in blog posts
By Markus Gesmann tag, or perhaps better the tag. Paul Murrell provides further details on his blog. With my code looks like this: There is a little trick required to display a graphic file hosted on...
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23 new R jobs from around the world (2016-02-10)
By Tal Galili This is the bi-monthly R-bloggers post (for 2016-01-25) for new R Jobs. To post your R job on the next post Just visit this link and post a new R job to the R community (it’s free and...
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The Unbereable Insolence of Prime Numbers or (Playing to be Ulam)
By aschinchon So rock me mama like a wagon wheel, rock me mama anyway you feel (Wagon Wheel, Old Crow Medicine Show) This is the third iteration of Hilbert curve. I placed points in its corners. Since...
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Finding the K in K-means by Parametric Bootstrap
By Nina Zumel One of the trickier tasks in clustering is determining the appropriate number of clusters. Domain-specific knowledge is always best, when you have it, but there are a number of heuristics...
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Analysis: Clinton backed by Big Money: Sanders by Small
By Francis Smart This article examines FEC data in depth and finds what most people already know. Hillary Clinton’s presidential bid is financed largely through a relatively small quantity of big...
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An Introduction to Time Series with JSON Data
By Divya Parmar For this post, I wanted to take the data analysis process in a different direction. Normally, an R analysis starts with data from a comma-separated Excel file (.csv) or a tab-separated...
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