Changes to benchmark() Changes to Filters New ensemble filters New return structure for filter values Learners References We just released mlr v2.15.0 to CRAN. This version includes some breaking changes and the usual bug fixes from the last three months. We made good progress on the goal of cleaning up ... [Read more...]

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At Ulm University, we currently use RTutor for several elective courses where students solve interactive problem sets at home. They can test their solutions and get automatic hints, and then submit their solution. Starting next year, we plan to use RTutor in a new compulsory data science project course in ... [Read more...]

I just love to create portfolio optimization models based on Optimization theory and such models require a well-defined return scenario set which is nothing more than a matrix where we have a joint possible set of returns of all our assets under consideration. The easiest way is to use historical ... [Read more...]

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You'll be pleased to know that Jumping rivers are running R training courses up and down the UK, in London, Newcastle, Belfast and Edinburgh. I've put together a quick summary of the courses available through til the end of the year. They are sorted by place then date. You can ... [Read more...]

Interactive Visualizations are powerful these days because those are all made for web. Web - simply a combination of html,css and javascript which build interactive visualizations. Thus, paving way for a lot of javascript charting libraries like highcharts.js, apexcharts.js. Thanks to htmlwidgets of R, many R developers ... [Read more...]

Create Excel Workbooks Generally, when doing anything in R I typically work with .csv files, their fast and straightforward to use. However, I find times, where... The post Creating Excel Workbooks with multiple sheets in R appeared first on FinderDing. [Read more...]

A shiny new release 0.2.6 of RcppCCTZ is now at CRAN. RcppCCTZ uses Rcpp to bring CCTZ to R. CCTZ is a C++ library for translating between absolute and civil times using the rules of a time zone. In fact, it is two libraries. One for dealing with civ... [Read more...]

Background This is an unusual post for me, I have avoided writing about R Markdown because there are so many resources already available on the topic (e.g., here, here, and here). However, recently I ran a session on using RMarkdown for my colleagues in the Centre for Social Issues ... [Read more...]

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There is an offer on with my company Draper & Dash to get a discount on ML training for your organisation. Contact the sales team to find out more about this training opportunity. Plus you get to meet our great data science team at Draper and Dash. The below is me ... [Read more...]

The 4.3.0 release of simmer, the Discrete-Event Simulator for R, is on CRAN. Along with this update, we are very glad to announce that our homonymous paper finally appeared in the Journal of Statistical Software. Please, use the following reference for citations (see citation("simmer")): Ucar I, Smeets B, Azcorra A (2019). “... [Read more...]

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