2014

New fiscal sponsorship agreement with NumFocus foundation

October 1, 2014 | rOpenSci Blog - R

I’m very pleased to announce that rOpenSci has signed a comprehensive fiscal sponsorship agreement with the NumFocus foundation, a 501(c)3 nonprofit that supports R&D for open source scientific software projects. We are delighted to be in the company of esteemed projects such as IPython and Julia that share ... [Read more...]

Complex Domain Coloring

September 30, 2014 | aschinchon

Why don’t you stop doodling and start writing serious posts in your blog? (Cecilia, my beautiful wife) Choose a function, apply it to a set of complex numbers, paint the result using the HSV technique and be ready to be impressed because images can be absolutely amazing. You only ... [Read more...]

Structured simulation of regression models – simReg package.

September 30, 2014 | Educate-R - R

I'd like to introduce a package that simulates regression models. This includes both single level and multilevel (i.e. hierarchical or linear mixed) models up to two levels of nesting. The package produces a unified framework to simulate all types of c... [Read more...]

Implementing an EM Algorithm for Probit Regressions

September 30, 2014 | Rcpp Gallery

Users new to the Rcpp family of functionality are often impressed with the performance gains that can be realized, but struggle to see how to approach their own computational problems. Many of the most impressive performance gains are demonstrated with seemingly advanced statistical methods, advanced C++–related constructs, or both. ...

[Read more...]

Install R in Android, via GNURoot -no root required!

September 30, 2014 | mareviv

Playing with my tablet some time ago, I wondered if installing R could be possible. You know, a small android device “to the power of R”… After searching on Google from time to time, I came across some interesting possibilities: … Sigue leyendo → [Read more...]

Interactive Visualisation of the Profitable Amount of Waste to Dispose Illegally

September 30, 2014 | S.S. Rebelious

"Wow!" - I said to myself after reading R Helps With Employee Churn post - "I can create interactive plots in R?!!! I have to try it out!" I quickly came up with an idea of creating interactive plot for my simple model for assessment of the profitable ratio between ... [Read more...]

Generating Hurricanes with a Markov Spatial Process

September 30, 2014 | arthur charpentier

The National Hurricane Center (NHC) collects datasets with all storms in North Atlantic, the North Atlantic Hurricane Database (HURDAT). For all sorms, we have the location of the storm, every six jours (at midnight, six a.m., noon and six p.m.). Note that we have also the date, the ... [Read more...]

Meet us at R Day and at the Strata+Hadoop World NYC Oct 15-17, 2014

September 30, 2014 | Roger Oberg

Are you headed to Strata? It’s just around the corner! We particularly hope to see you at R Day on October 15, where we will cover a raft of current topics that analysts and R users need to pay attention to. The R Day tutorials come from Hadley Wickham, Winston ... [Read more...]

Additional tips for structuring an individual-based model in R

September 30, 2014 | Marc in the box

I had a reader ask me recently to help understand how to modify the code of an individual-based model (IBM) that I posted a while back. It was my first attempt at an IBM in R, and I realized that I have made some significant changes to the way th... [Read more...]

Why are we still teaching T-tests?

September 30, 2014 | Joseph Rickert

The following post by Norm Matloff originally appeared on his blog, Mad(Data)Scientist, on September 15th. We rarely republish posts that have appeared on other blogs, however, the questions that Norm raises both with respect to the teaching of statistics, and his assertion that "R's statistical procedures are centered ... [Read more...]

Building a DGA Classifier: Part 1, Data Preparation

September 30, 2014 | “Jay Jacobs (@jayjacobs)"

This will be a three-part blog series on building a DGA classifier and will be split into three logical phases of building a classifier: 1) Data preparation (this) 2) Feature engineering and 3) Model selection. And before I get too far into this, I want to give a huge thank you to Click ... [Read more...]

Example 2014.11: Contrasts the basic way for R

September 30, 2014 | Ken Kleinman

As we discuss in section 6.1.4 of the second edition, R and SAS handle categorical variables and their parameterization in models quite differently. SAS treats them on a procedure-by-procedure basis, which leads to some odd differences in capabilities and default parameterizations. For example, in the logistic procedure, the default is effect ...

[Read more...]

Structural Arb Analysis and Portfolio Management Functionality in R

September 30, 2014 | Ilya Kipnis

I want to use this post to replicate an article I found on SeekingAlpha, along with demonstrating PerformanceAnalytics’s ability to … Continue reading → [Read more...]

Syrian Refugee Settlement Clinic Locations

September 30, 2014 | jlebeau

Previously I posted about the location of refugee settlements and how that had grown in density over time as well as in numbers. As many NGOs and non-profits work in the area, they are providing much needed assistance to the people living around ... [Read more...]

Running RStudio via Docker in the Cloud

September 30, 2014 | Markus Gesmann

Deploying applications via Docker container is the current talk of town. I have heard about Docker and played around with it a little, but when Dirk Eddelbuettel posted his R and Docker talk last Friday I got really excited and had to have a go myself.... [Read more...]

seeking altruistic social scientists, demographers, survey researchers

September 30, 2014 | Anthony Damico

hi everyone, please share this: if you are an experienced user of a publicly-available survey data set from any country or international organization, let's work together on some user-friendly code and a short blog post for http://asdfree.com.&nb... [Read more...]

Rcpp 0.11.3

September 29, 2014 | Thinking inside the box

A new release 0.11.3 of Rcpp is now on the CRAN network for GNU R, and an updated Debian package has been uploaded too. Rcpp has become the most popular way of enhancing GNU R with C++ code. As of today, 273 packages on CRAN depend on Rcpp for making... [Read more...]

Data Manipulation Using dplyr

September 29, 2014 | Vivek Patil

This post is my slidify-based presentation on dplyr, a package that provides tools for data manipulation. The idea for this came from a tutorial created by Kevin Markham on this package. After a link to my first presentation on this based on a dataset used in that tutorial (which is ... [Read more...]

Video introduction to data manipulation with dplyr

September 29, 2014 | David Smith

Hadley Wickham's dplyr package is a great toolkit for getting data ready for analysis in R. If you haven't yet taken the plunge to using dplyr, Kevin Markham has put together a great hands-on video tutorial for his Data School blog, which you can see below. The video covers the ... [Read more...]

TURF Analysis: A Bad Answer to the Wrong Question

September 29, 2014 | Joel Cadwell

Now that R has a package performing Total Unduplicated Reach and Frequency (TURF) Analysis, it might be a good time to issue a warning to all R users. DON'T DO IT!The technique itself is straight out of media buying from the 1950s. Given some number of... [Read more...]

« 1 … 32 33 34 35 36 … 145 »

R-bloggers

R news and tutorials contributed by hundreds of R bloggers

2014

New fiscal sponsorship agreement with NumFocus foundation

Complex Domain Coloring

Structured simulation of regression models – simReg package.

Implementing an EM Algorithm for Probit Regressions

Install R in Android, via GNURoot -no root required!

Interactive Visualisation of the Profitable Amount of Waste to Dispose Illegally

Generating Hurricanes with a Markov Spatial Process

Meet us at R Day and at the Strata+Hadoop World NYC Oct 15-17, 2014

Additional tips for structuring an individual-based model in R

Why are we still teaching T-tests?

Building a DGA Classifier: Part 1, Data Preparation

Example 2014.11: Contrasts the basic way for R

Structural Arb Analysis and Portfolio Management Functionality in R

Syrian Refugee Settlement Clinic Locations

Running RStudio via Docker in the Cloud

seeking altruistic social scientists, demographers, survey researchers

Rcpp 0.11.3

Data Manipulation Using dplyr

Video introduction to data manipulation with dplyr

TURF Analysis: A Bad Answer to the Wrong Question

2014

Never miss an update! Subscribe to R-bloggers to receive e-mails with the latest R posts. (You will not see this message again.)

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)