Why R Conference
This July we had the great honor to present mlr and its ecosystem at the Why R 2018 Conference in Wroclaw in Poland. You can find the slides here. We...continue reading.
This July we had the great honor to present mlr and its ecosystem at the Why R 2018 Conference in Wroclaw in Poland. You can find the slides here. We...continue reading.
Global socio-economic data is easily accessible nowadays. Just type the indicator of interest and the name of the country in your preferred search engine and you can find its value,...continue reading.
We’re extremely pleased to announce the release of ggplot2 3.0.0. This is a major release: it was previously announced as ggplot2 2.3.0, but we decided to increment the version number...continue reading.
Writing a domain-specific language (DSL) is a powerful and fairly common method for extending the R language. Both ggplot2 and dplyr, for example, are DSLs. (See Hadley’s chapter in Advanced...continue reading.
R language supports several null-able values and it is relatively important to understand how these values behave, when making data pre-processing and data munging. In general, R supports: NULL NA...continue reading.
In 2015, I created a 4-hour video series called Introduction to machine learning in Python with scikit-learn. In the years since, hundreds of thousands of students have watched these videos,...continue reading.
In 2015, I created a 4-hour video series called Introduction to machine learning in Python with scikit-learn. In the years since, hundreds of thousands of students have watched these videos,...continue reading.
A recent blog post regarding data visualization had some barplots I liked the look of (aesthetically…for research purposes, they wouldn’t be suitable). They look as if they’ve be coloured in...continue reading.
Facebook Twitter Google+ LinkedIn The next DALEX workshop will take place in 4 days at UseR. In the meantime I am working on a new explainer for a single observation. Something...continue reading.
How do you program? I feel like there is a lot of advice out there, but most of it focuses on the micro level rather than on the macro level....continue reading.
How do you program? I feel like there is a lot of advice out there, but most of it focuses on the micro level rather than on the macro level....continue reading.
Regression coefficients are typically presented as tables that are easy to understand. Sometimes, estimates are difficult to interpret. This is especially true for interaction or transformed terms (quadratic or cubic...continue reading.
By Viraj Bhagat There are numerous traders out there practising countless trading strategies. Some familiar ones are the Iron Butterfly, Long Strangle, Bear Spread, etc. Options Trading Strategies have carved their...continue reading.
Introduction Rattle is a popular free and open source Graphical User Interface (GUI) for the R software, one that focuses on beginners looking to point-and-click their way through data mining tasks. Such tasks...continue reading.
Research about adequacy of Elo based models applied to snooker match results. Contains a novel approach (EloBeta) targeted for sport results with variable “best of N” format. For many years...continue reading.
So it’s here… After lots of entries (147 to be precise), we can finally announce the winner of the WhyR 2018 Competition! But first, we have to tell you quickly...continue reading.
Recently, I attended a presentation where the following graph was shown illustrating the response to stimulation with Thalidomide among a cohort of HIV-1 patients. The biomarker used to measure the...continue reading.
There was quite a reaction to our paper, “Polynomial Regression as an Alternative to Neural Nets” (by Cheng, Khomtchouk, Matloff and Mohanty), leading to discussions/debates on Twitter, Reddit, Hacker News...continue reading.
In this post, I follow up on a previous post describing how last year in July, I spent one month mostly procrastinating on Stack Overflow (SO). We’re already in July...continue reading.