July 2017

Interactive sunbuRst graphs in Power BI in 5 minutes!!

July 13, 2017 | Longhow Lam

Introduction If I mention Power BI to fellow data scientists I often get strange looks. However, I quite like the tool, it is an easy and fast way to share results, KPI’s and graphs with others. With the latest release, Power BI now … Continue reading →

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Course on Multiple Correspondence Analysis with FactoMineR

July 13, 2017 | francoishusson

Here is a course with videos that present Multiple Correspondence Analysis in a French way. The most well-known use of Multiple Correspondence Analysis is: surveys. Four videos present a course on MCA, highlighting the way to interpret the data. Then you will find videos presenting the way to implement MCA ...

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Correspondence Analysis with FactoMineR

July 13, 2017 | francoishusson

Here is a course with videos that present Correspondence Analysis in a French way. Five videos present a course on CA, highlighting the way to interpret the data. Then you will find videos presenting the way to implement in FactoMineR. With this course, you will be stand-alone to perform and ...

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PCA course using FactoMineR

July 13, 2017 | francoishusson

Here is a course with videos that present Principal Component Analysis in a French way. Three videos present a course on PCA, highlighting the way to interpret the data. Then you will find videos presenting the way to implement in FactoMineR, to deal with missing values in PCA thanks to ...

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Using the iGraph package to Analyse the Enron Corpus

July 12, 2017 | Peter Prevos

Instructions on how to use R and iGraph to analyse the Enron email corpus. This article describes how to research relationships between employees. Continue reading → The post Using the iGraph package to Analyse the Enron Corpus appeared first on The Devil is in the Data.

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The R Survey

July 12, 2017 | R Views

The R Consortium is undertaking a multi-year effort to survey the whole R world. In a rather low-key blog post at the end of last month, the R Consortium’s technical committee, the Infrastructure Steering Committee (ISC), launched its prototype survey of R users. The idea is to use the ...

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RNG impact on MCMC [or lack thereof]

July 12, 2017 | xi'an

Following the talk at MCM 2017 about the strange impact of the random generator on the outcome of an MCMC generator, I tried in Montréal airport the following code on the banana target of Haario et al. (1999), copied from Soetaert and Laine and using the MCMC function of the FME ...

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Better Grouped Summaries in dplyr

July 12, 2017 | John Mount

For R dplyr users one of the promises of the new rlang/tidyeval system is an improved ability to program over dplyr itself. In particular to add new verbs that encapsulate previously compound steps into better self-documenting atomic steps. Let’s take a look at this capability. First let’s ... [Read more...]

Data Science Accelerator for Credit Risk Prediction

July 12, 2017 | Guest Blogger

by Fang Zhou, Data Scientist; Graham Williams, Director of Data Science, all at Microsoft Credit Risk Scoring is a classic but increasingly important operation in banking as banks are becoming far more risk careful when lending for mortgages, credit card payments or other commercial purposes, in an industry known for ... [Read more...]

Analyzing Obesity across USA

July 12, 2017 | Anish Singh Walia

The main aim of this project is to study the states which had the most obese population among adults and children as well as teens in USA. Secondly, another objective of this project is to learn how to scrape data in R from an HTML page using rvest package and ...

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Who turned out to vote in the 2014 New Zealand general election? by @ellis2013nz

July 12, 2017 | Peter's stats stuff - R

Motivation This thread on Twitter prompted some questions for me about who actually turns up to vote in New Zealand’s elections. With limited time, I can’t answer many of the important questions raised in that thread and the article it refers to ... [Read more...]

Reigniting the fire: A roadmap for fiery

July 11, 2017 | Data Imaginist - R posts

Last summer, just prior to starting as an intern working for Hadley, I published fiery, a flexible webserver framework that I had worked on during the spring. The reason why I developed fiery amids offerings such as shiny, opencpu, and plumbr was that ... [Read more...]

Introduction to Volatility

July 11, 2017 | R Views

This is the beginning of a series on portfolio volatility, variance, and standard deviation. I realize that it’s a lot more fun to fantasize about analyzing stock returns, which is why television shows and websites constantly update the daily market returns and give them snazzy green and red colors. ... [Read more...]

easy riddle

July 11, 2017 | xi'an

From the current Riddler, a problem that only requires a few lines of code and a few seconds of reasoning. Or not. N households each stole the earnings from one of the (N-1) other households, one at a time. What is the probability that a given household is not burglarised? ...

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Asynchronous API calls with postlightmercury

July 11, 2017 | Mikkel

In this post I’ll tell you about a new package I’ve built and also take you under the hood to show you a really cool thing thats going on: asynchronous API calls. The package: postlightmercury I created a package called postlightmercury which is now on cran. The package ...

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Take the R Consortium survey on R

July 11, 2017 | David Smith

Since its foundation just a little over two years ago, the R Consortium has been dedicated to providing support to the R Project and the R community. Already, the R Consortium has channeled the contributions from its corporate members to fund more than 25 projects, working groups, and community initiatives. Recently ... [Read more...]

Data Visualization with googleVis exercises part 6

July 11, 2017 | Euthymios Kasvikis

Geographical Charts In part 6 of this series we are going to see some amazing geographical charts that googleVis provides. Read the examples below to understand the logic of what we are going to do and then test yous skills with the exercise set we prepared for you. Lets begin! Answers ... [Read more...]

Install R and Python via Homebrew

July 11, 2017 | Mauricio Vargas S. 帕夏

Original posted on 2017-01-08Updated posted on 2017-07-12 Why should you do this? With a single brew upgrade you can save yourself a headache and valuable time when you need newer software versions. Besides that, R binaries from CRAN and OS X stock Python can give problems with ... [Read more...]

R and GNU tools via Homebrew

July 11, 2017 | Mauricio Vargas S. 帕夏

Original posted on 2017-01-08Updated posted on 2017-07-12 Introduction A few months ago I needed to use stock Python. One way to achieve that, and not to use OS X provided version, is to install it using Homebrew. Why I needed that? Python packages installed via pip were ... [Read more...]

Dealing with S3 methods in R with a simple example

July 11, 2017 | insightr

By Gabriel Vasconcelos S3 objects R has three object systems: S3, S4 and RC. S3 is by far the easiest to work with and it can make you codes much understandable and organized, especially if you are working on a … Continue reading →

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R-bloggers

R news and tutorials contributed by hundreds of R bloggers

July 2017

Interactive sunbuRst graphs in Power BI in 5 minutes!!

Course on Multiple Correspondence Analysis with FactoMineR

Correspondence Analysis with FactoMineR

PCA course using FactoMineR

Using the iGraph package to Analyse the Enron Corpus

The R Survey

RNG impact on MCMC [or lack thereof]

Better Grouped Summaries in dplyr

Data Science Accelerator for Credit Risk Prediction

Analyzing Obesity across USA

Who turned out to vote in the 2014 New Zealand general election? by @ellis2013nz

Reigniting the fire: A roadmap for fiery

Introduction to Volatility

easy riddle

Asynchronous API calls with postlightmercury

Take the R Consortium survey on R

Data Visualization with googleVis exercises part 6

Install R and Python via Homebrew

R and GNU tools via Homebrew

Dealing with S3 methods in R with a simple example

July 2017

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