January 2015

Announcing the caretEnsemble R package

January 20, 2015 | Jared Knowles

Last week version 1.0 of the caretEnsemble package was released to CRAN. I have co-authored this package with Zach Mayer, who had the original idea of allowing for ensembles of train objects in the caret package. The package is designed to make it easy... [Read more...]

Simple Data Science Of Global Warming In KDnuggets

January 20, 2015 | aschinchon

Would love to get a post from you for KDnuggets (Gregory Piatetsky, KDnuggets President) Some days ago, Gregory Piatetsky invited me to write a post for KDnuggets. I couldn’t say no. He suggested to me some topics and I decided to experiment around climate change to demonstrate how easy ...
[Read more...]

Create your own Visual Resume with my new Shiny App

January 19, 2015 | ndphillips

Shiny Link: https://ndphillips.shinyapps.io/Visual_Resume/ How much do I love R? Enough that I maintain several ‘fun R’ projects. One of my favorites is my Visual Resume generator – which creates an individualised visual resume based on a person’s education and job history (and publications and research ... [Read more...]

Welcoming C++14

January 19, 2015 | romain francois

Since last CRAN release of Rcpp11, I've started to work on the next iteration of R/C++ support with Rcpp14 by propagating changes to both implementations, e.g. the Strict class that I mentionned in this post. But now, I'm starting to make unique chan... [Read more...]

ggtree in Bioconductor 3.1

January 18, 2015 | R on Guangchuang Yu

I am very glad that ggtree is now available via Bioconductor. This is my 6th Bioconductor package. ggtree now supports parsing output files from BEAST, PAML, HYPHY, EPA and PPLACER and can annotate phylogenetic tree directly using plot methods. Find out more at http://www.bioconductor.org/packages/3.1/bioc/html/... [Read more...]

R in Business Intelligence

January 18, 2015 | Jan Górecki - R

Business Intelligence (BI) can be simply described as extracting useful informations from the data. This is quite a broad process as the source data structure (and quality) can vary, as well the useful information structure can vary. More technically process of such transformation can be described as ETL (extract, transform, ... [Read more...]

How to Predict Where Will Next Disaster Strike?

January 18, 2015 | S.S. Rebelious

It is amusing coincidence that another MOOC that I took this week (Geospatial Intelligence & the Geospatial revolution) mentioned [natural] disasters. About the other course see my recent Disasters: Myth or the Reality post.In Geospatial Intelligence they gave a weird assignment: one need to mark the location on the world ... [Read more...]

stacked plot in R

January 18, 2015 | Hamed

Consider the following example: there is a three-stage truck maintenance pipeline. Initially, when a Truck comes to the maintenance service, it is added to the first stage and its status in the pipeline is set to "New". When the technicians start working on it, for diagnosis the problem and removing ... [Read more...]

Running UBSAN tests via clang with Rocker

January 18, 2015 | Thinking inside the box

Every now and then we get reports from CRAN about our packages failing a test there. A challenging one concerns UBSAN, or Undefined Behaviour Sanitizer. For background on UBSAN, see this RedHat blog post for gcc and this one from LLVM about clang. I had written briefly about this before ... [Read more...]

Installing RStudio Server on Ubuntu Server

January 18, 2015 | Nathalie

This tutorial describes the different steps required to install RStudio Server on Ubuntu Server (version 14.04 LTS). It is widely inspired from the official installation instructions Installing R First, R must be installed on the server. The best way to do so is to proceed as described on this page, that ... [Read more...]

Climate Examples Using RClimate

January 18, 2015 | Kelly

Andy Long at Northern Kentucky University  has created a RClimate web page that provides numerous examples of climate data analysis using RWeb,  RClimate scripts and publicly available climate  data. Filed under: R Climate Data Analysis Tool, RClimate Script Tagged: R scripts [Read more...]

Introducing: Orthogonal Nonlinear Least-Squares Regression in R

January 17, 2015 | anspiess

With this post I want to introduce my newly bred ‘onls’ package which conducts Orthogonal Nonlinear Least-Squares Regression (ONLS): http://cran.r-project.org/web/packages/onls/index.html. Orthogonal nonlinear least squares (ONLS) is a not so frequently applied and maybe overlooked regression technique that comes into question when one ...
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Modeling Incomes and Inequalities

January 17, 2015 | arthur charpentier

Last week, in our Inequality course, we've been looking at data. We started with some simulated data, only a few of them __ library("ineq") __ load(url("http://freakonometrics.free.fr/income_5.RData")) __ (income=sort(income)) [1] 19233 23707 53297 61667 218662 How could we say that there is inequality in this sample? If we look at ... [Read more...]
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