I am pleased to announce that tidytext 0.1.6 is now on CRAN! Most of this release, as well as the 0.1.5 release which I did not blog about, was for maintenance, updates to align with API changes from tidytext’s dependencies, and bugs. I just spent a good chunk of effort getting ...

With the release of the new version of mlrMBO we added some minor fixes and added a practical feature called Human-in-the-loop MBO. It enables you to sequentially visualize the state of the surrogate model, obtain the suggested parameter configuration for the next iteration and update the surrogate model with arbitrary ...

I have written another blogpost about Looking beyond accuracy to improve trust in machine learning at my company codecentric’s blog: Traditional machine learning workflows focus heavily on model training and optimization; the best model is usually chosen via performance measures like accuracy or error and we tend to assume ...

Win-Vector LLC recently announced the rquery R package, an operator based query generator. In this note I want to share some exciting and favorable initial rquery benchmark timings. Let’s take a look at rquery’s new “ad hoc” mode (made convenient through wrapr‘s new “wrapr_applicable” feature). This ...

When I introduce myself as a data scientist, I often get questions like “What’s the difference between that and machine learning?” or “Does that mean you work on artificial intelligence?” I’ve responded enough times that my answer easily qualifies for my “rule of three”: When you’ve written ...

Add a Progress Wheel Create a www Folder Style with CSS Use a global.R file Encourage Data Downloading If you’ve built a Shiny app with R you’ll know how exciting it feels to get your first app up and running. Shiny is an amazing tool for R ...

This post shows how to use Apache Spark and Google BigQuery in R via sparklyr to efficiently analyze a big dataset (NYC yellow taxi trips). You can find the R Markdown document used to generate this post here. Introduction On August 3, 2015 the New York City Taxi & Limousine Commission (TLC), in ...

Add a Progress Wheel Create a www Folder Style with CSS Use a global.R file Encourage Data Downloading If you’ve built a Shiny app with R you’ll know how exciting it feels to get your first app up and running. Shiny is an amazing tool for R ...