March 2017

How to Start an R Project

March 13, 2017 | Aman Tsegai

R is the most widely used programming language in data analysis and data mining. When you first get started with R it can get a little but intimidating if you are a newbie, and sometimes even for statistics pros as the syntax can be a little bit new.There are ...
[Read more...]

Benchmarking rxNeuralNet for OCR

March 13, 2017 | David Smith

The MicrosoftML package introduced with Microsoft R Server 9.0 added several new functions for high-performance machine learning, including rxNeuralNet. Tomaz Kastrun recently applied rxNeuralNet to the MNIST database of handwritten digits to compare its performance with two other machine learning packages, h2o and xgboost. The results are summarized in the ... [Read more...]

EARL abstract submissions close in two weeks

March 13, 2017 | Karis Bouher

If you’ve been doing exciting things in your organisation with the help of R and you’ve been thinking about submitting an abstract, now’s the time to put yours together! Based on the abstracts received so far, EARL Conferences this year … Continue reading → [Read more...]

A Data Science Case Study in R

March 13, 2017 | Robert Grünwald

Demanding data science projects are becoming more and more relevant, and the conventional evaluation procedures are often no longer sufficient. For this reason, there is a growing need for tailor-made solutions, which are individually tailored to the project’s goal, which is often implemented by R programming. To provide our ...
[Read more...]

A Data Science Case Study in R

March 13, 2017 | Robert Grünwald

Demanding data science projects are becoming more and more relevant, and the conventional evaluation procedures are often no longer sufficient. For this reason, there is a growing need for tailor-made solutions, which are individually tailored to the project’s goal, which is often implemented by R programming. To provide our ...
[Read more...]

Release mongolite 1.0

March 13, 2017 | Jeroen Ooms

After 2.5 years of development, version 1.0 of the mongolite package has been released to CRAN. The package is now stable, well documented, and will soon be submitted for peer review to be onboarded in the rOpenSci suite. MongoDB in R and mongolite I started working on mongolite in September 2014, and it ... [Read more...]

satRday Cape Town

March 12, 2017 | Rstats on Jon Calder

Almost a full month has passed since satRday Cape Town. Time races on (as always) bringing plenty of challenges and opportunities with each new day, but part of me wants to go back and re-live the experience, just to have some more time to take it all in again. It’...
[Read more...]

Tic Tac Toe Simulation — Random Moves

March 12, 2017 | Peter Prevos

Tic Tac Toe might be a futile children’s game but it can also teach us about artificial intelligence. Tic Tac Toe, or Naughts and Crosses, is a zero-sum game with perfect information. Both players know exactly what the other did and when nobody … Continue reading → The post Tic Tac ... [Read more...]

satRday Cape Town

March 12, 2017 | Jon Calder's R Blog

SA's first R conference - Almost a full month has passed since satRday Cape Town. Time races on (as always) bringing plenty of challenges and opportunities with each new day, but part of me wants to go back and re-live the experience, just to have some more time to take ...
[Read more...]

satRday Cape Town

March 12, 2017 | Jon Calder's R Blog

SA's first R conference - Almost a full month has passed since satRday Cape Town. Time races on (as always) bringing plenty of challenges and opportunities with each new day, but part of me wants to go back and re-live the experience, just to have some more time to take ...
[Read more...]

Unit testing in R using testthat library Exercises

March 12, 2017 | Sai Lalith

testthat is a testing framework developed by Hadley Wickham, which makes unit testing easy for developers. Test scripts developed can be re-run after debugging or making changes to the functions without the hassle of developing the code for testing again. testthat has a heirarchical structure made up of expectations, tests ... [Read more...]

RSentiment

March 12, 2017 | Rimi

Every system needs continuous improvement. Feedback, positive or negative, plays an important role in that improvement. Humans are fairly instinctive in interpreting the tone of the feedback. But, to teach a machine to understand the same, is highly complex. Various algorithms and tools are available today to automatically identify and ...
[Read more...]
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