January 2017

Upcoming R Conferences

January 23, 2017 | 0 Comments

Since a few new events have been announced recently, I thought I'd give a run-down on some major R conferences coming up in the next six months. February 18: satRdays, Cape Town (South Africa). This is the second in a series of one-day conferences inspired by an R Consortium proposal. The ... [Read more...]

Principal Component Analysis in R

January 23, 2017 | 0 Comments

Principal component analysis (PCA) is routinely employed on a wide range of problems. From the detection of outliers to predictive modeling, PCA has the ability of projecting the observations described by variables into few orthogonal components defined at where the data ‘stretch’ the most, rendering a simplified overview. PCA is ...
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Using Rpart to figure out who voted for Trump

January 23, 2017 | 0 Comments

It’s been a few days since we witnessed the inauguration of Donald Trump as the 45th President of the United States, whose victory over Hillary Clinton came as a shock for most people. I’m not much into politics (and it is not even my country!) bu...
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Choosing Software to Publish your Data Science Portfolio

January 23, 2017 | 0 Comments

I’ve recently spoken to several people who Have decided to create a portfolio of their data science projects Are new to online publishing They frequently have... The post Choosing Software to Publish your Data Science Portfolio appeared first on AriLamstein.com. [Read more...]

2016, the Earthquake Annus Horribilis of Italy

January 23, 2017 | 0 Comments

  There is no exaggeration in stating that historic heritage is one of the most outstanding and valuable assets of Italy. The smallest villages or the largest cities, all boast hundred- (sometimes thousand-) year old buildings of great cultural, architectural, or artistic interest. Amazingly enough, a vast majority of these Read ... [Read more...]

Releasing RQGIS 0.2.0

January 23, 2017 | 0 Comments

Today we are happy to announce a new version of RQGIS! RQGIS establishes an interface between R and QGIS, i.e. it allows the user to access the more than 1000 QGIS geoalgorithms from within R.
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Trumpworld Analysis : Ownership Relations in his Business Network

January 23, 2017 | 0 Comments

Analysis of the ownership relationships between organisations associated with Donald J. Trump. A social network analysis of Trumpland using the igraph package in R. Continue reading → The post Trumpworld Analysis : Ownership Relations in his Business Network appeared first on The Devil is in the Data.
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Detect Lines in Digital Images

January 23, 2017 | 0 Comments

As part of our data science training initiative, bnosac is also providing a course on computer vision with R & Python which is held in March 9-10 in Leuven, Belgium (subscribe here or have a look at our full training offer here). Part of the course is covering finding blobs, corners, ... [Read more...]

readr::problems() returns tidy data!

January 23, 2017 | 0 Comments

A handy little trick I picked up today when using readr. Some background: I needed a mapping between ZIP Code Tabulation Areas and counties (to link to some urban/rural data). The Census Bureau provides a CSV style table that includes information about each of the ZCTA (e.g., size, ... [Read more...]

Monotonic Binning with Smbinning Package

January 22, 2017 | 0 Comments

The R package smbinning (http://www.scoringmodeling.com/rpackage/smbinning) provides a very user-friendly interface for the WoE (Weight of Evidence) binning algorithm employed in the scorecard development. However, there are several improvement opportunities in my view: 1. First of all, the underlying algorithm in the smbinning() function utilizes the recursive ...
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Welcome to R-bloggers!

January 22, 2017 | 0 Comments

Hooray! I am now part of the R-bloggers community! {:style=“float: right;margin-right: 15px;margin-top: 15px;margin-left: 15px;margin-bottom: 15px;“} R-bloggers is a blog aggregator for content created by the Rstats community. It was founded by Tal Galili towards the end of 2009, in order to help connect R bloggers with ...
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Welcome to R-bloggers!

January 22, 2017 | 0 Comments

Tal Galili, empowering bloggers to empower other R users - Hooray! I am now part of the R-bloggers community! R-bloggers is a blog aggregator for content created by the Rstats community. It was founded by Tal Galili towards the end of 2009, in ...
[Read more...]

Interactive BMI Chart

January 22, 2017 | 0 Comments

I was recently listening to the #WhoIsFat Joe Rogan podcast where comedians Bert Kreischer and Tom Segura had their weight loss challenge weigh-ins. The challenge was for both guys to get out of the “obese” category and into the merely “overweight” category. If one made it and the other didn’...
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Input/output benchmarks

January 22, 2017 | 0 Comments

To quantify the impact of the CPU on an analysis, I created the package benchmarkme. The idea is simple. If everyone runs the same R script, we can easily compare machines. One of the benchmarks in the package is for comparing read/write speeds; we write a large CSV file (...
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Bioinformatics Tutorial with Exercises in R (part 1)

January 22, 2017 | 0 Comments

Bioinformatics is an interdisciplinary field of study that combines the field of biology with computer science to understand biological data. Bioinformatics is generally used in laboratories as an initial or final step to get the information. This information can subsequently be utilized for the wet lab practices. However, it can ... [Read more...]

US Presidential inauguration speeches

January 22, 2017 | 0 Comments

There’s rightly been a lot of attention paid to USA President Trump’s first speech as President at the time of his inauguration. The speech broke with tradition by extending the acrimonious atmosphere of the election campaign into the Presidency. ... [Read more...]
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