Data Visualisation

July 29, 2016
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by Nic Crane Data visualisation is a key piece of the analysis process.  At Mango, we consider the ability to create compelling visualisations to be sufficiently important that we include it as one of the core attributes of a data … Continue reading →

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Interactive Subsetting Exercises

July 29, 2016
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Interactive Subsetting Exercises

The function, “subset()” is intended as a convienent, interactive substitute for subsetting with brackets. subset() extracts subsets of matrices, data frames, or vectors (including lists), according to specified conditions....

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Troubles with cell labels in mosaic plots… and how to solve them.

July 29, 2016
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Troubles with cell labels in mosaic plots… and how to solve them.

Today I want to write about a solution to a quite specific problem. Suppose, you want to label cells in your 'vcd' package mosaic plots in a custom way....

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RcppGetconf 0.0.1

July 28, 2016
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A new package RcppGetconf to read system configuration --- not unlike getconf from the libc library. Now R can read what system calls sysconf, pathconf and confstr have...

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A Gallery of ggplot2 Extensions

July 28, 2016
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A Gallery of ggplot2 Extensions

A couple of months ago, I announced the ggplot2-extensions website which tracks and lists extensions built on top of the popular R visualization package ggplot2. Now, I wanted to...

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2016-10 A transformable markup document format

July 28, 2016
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Many technologies now exist for writing a document in a format that can be transformed into various output formats for sharing. This report proposes that using markup, rather than...

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Visualizing the Gender of US Senators With R and Highmaps

July 28, 2016
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Visualizing the Gender of US Senators With R and Highmaps

I wake up every morning in a house that was built by slaves (Michelle Obama) Some days ago I was invited by the people of Highcharts to write a...

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What can we learn from the statistics of the EURO 2016 – Application of factor analysis

July 28, 2016
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What can we learn from the statistics of the EURO 2016 – Application of factor analysis

In this post I will try to explain how to perform a factor analysis (FA) on the statistics of the teams in the first round of Euro cup 2016....

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An R Users Guide to JSM 2016

July 28, 2016
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by Joseph Rickert My impression is that the JSM has become ever more R friendly over recent years, but with two sessions organized around R tools and several talks...

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Building a Life Table

July 28, 2016
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Building a Life Table

After writing my previous post, Mortality by Year and Age, I’ve become progressively more interested in the mortality data. Perhaps those actuaries are onto something? I found this report,...

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A link that can tell more than dozens of lines of R code – what’s new in archivist?

July 28, 2016
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A link that can tell more than dozens of lines of R code – what’s new in archivist?

Can you spot the difference between this plot: And this one: You are right! The latter has an embedded piece of R code. What for? It’s a call to...

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Round values while preserve their rounded sum in R

July 27, 2016
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After an embarrassing teleconference in which I presented a series of percentages that did not sum to 100 (as they should have), I found some R code on stackoverflow.com...

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Bayesian Essentials with R [book review]

July 27, 2016
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Bayesian Essentials with R [book review]

“Overall this book is a very helpful and useful introduction...

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Data Journalism with R at FiveThirtyEight

July 27, 2016
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Data Journalism with R at FiveThirtyEight

Since it expanded its focus from predicting the US election, FiveThirtyEight has emerged as a prominent source of in-depth data journalism, with data-driven analysis of media, culture, politics and...

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Book Review: Getting Started With Data Science

July 27, 2016
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I PROGRAMMER's Kay Ewbank's reviews Getting Started with Data Science: Making Sense of Data with Analytics.By Kay EwbankIf you've enjoyed books such as...

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Data Science Competitions 101: Anatomy and Approach

July 27, 2016
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Data Science Competitions 101: Anatomy and Approach

I recently participated in a weekend-long data science hackathon, titled ‘The Smart Recruits’. Organized by the amazing folks at Analytics Vidhya, it saw some serious competition. Although my performance...

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U.S. Drought Animations with the “Witch’s Brew” (purrr + broom + magick)

July 27, 2016
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U.S. Drought Animations with the “Witch’s Brew” (purrr + broom + magick)

This is another purrr-focused post but it’s also an homage to the nascent magick package (R interface to ImageMagick) by @opencpu. We’re starting to see/feel the impact of the...

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New chapters for 50 shades of grey….

July 27, 2016
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New chapters for 50 shades of grey….

Introduction Some time ago I had the honor to follow an interesting talk from Tijmen Blankevoort on neural networks and deeplearning. Convolutional and recurrent neural networks were topics that already...

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Reproducible art with R

July 27, 2016
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Reproducible art with R

This is my tribute to the fantastic R package spatstat. All the artwork was 100% done in R, the source code is here. Click the images for hi-res (6000...

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Notes from the 4th R in Insurance Conference

July 27, 2016
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Notes from the 4th R in Insurance Conference

The 4th R in Insurance conference took place at Cass Business School London on 11 July 2016. This one-day conference focused once more on the wide range of applications...

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Voting clusters in the U.N.

July 26, 2016
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Voting clusters in the U.N.

After some more digging, and a suggestion by @theMexIndian I decided to see more in the depth the unvotes database that I wrote about some weeks ago. This...

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2016-09 An Introduction to the ‘DOM’ Package

July 26, 2016
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The ‘DOM’ package for R provides functions to dynamically manipulate the content of a web page that is being viewed within a web browser. The package provides an R...

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Stock prices analysis part 1 exercises

July 26, 2016
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In this set of exercises we are using R to analyse stock prices. This is the first part where we exercise basic descriptive statistics. You dont need to be...

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R and openMP: boosting compiled code on multi-core cpu-s

July 26, 2016
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R and openMP: boosting compiled code on multi-core cpu-s

Share This: Introduction Sometimes you just need more speed. And sometime plain R does not provide it. This article is about boosting your R code with C++ and openMP....

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Update on the R Shapefile Contest

July 26, 2016
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Update on the R Shapefile Contest

This is a reminder that the R Shapefile Contest ends this Friday, July 29! We already have four incredible entries: Kent Johnson looked at the Cambridge Outdoor... The post Update...

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Use quick formula functions in purrr::map (+ base vs tidtyverse idiom comparisons/examples)

July 26, 2016
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I’ve converted the vast majority of my *apply usage over to purrr functions. In an attempt to make this a quick post, I’ll refrain from going into all the...

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Ooms Magical Polyglot World

July 26, 2016
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crossposted from BuildingWidgets Jeroen Ooms (@opencpu) provides R users a magical polyglot world of R, JavaScript, C, and C++. This is my attempt to both thank him and highlight some of all...

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DeployR Enterprise Security Model

July 26, 2016
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DeployR Enterprise Security Model

by Ramkumar Chandrasekeran, Software Engineer - Microsoft R Tiger Team DeployR Enterprise is designed to deliver analytics solutions at scale to whomever needs it: inside or outside the enterprise....

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The reproducibility crisis in science and prospects for R

July 26, 2016
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Guest post by Gregorio Santori (<[email protected]>) The results that emerged from a recent Nature‘s survey confirm as, for many researchers, we are living in a weak reproducibility age (Baker...

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