Articles - useR 2017

R6 is an implementation of a classical object-oriented programming system for R. In classical OOP, objects have mutable state and they contain methods to modify and access internal... [Read more]

Unstructured, text-heavy data sets are increasingly important in many domains, and tidy data principles and tidy tools can make text mining easier and more effective.

We introduce the... [Read more]

This talk introduces the R package cleanNLP, which provides a set of fast tools for converting a textual corpus into a set of normalized tables.

The underlying natural language processing... [Read more]

I would cover the broad set of tools for text analysis and natural language processing in R, with an emphasis on my R package quanteda but also covering other major tools in the R ecosystem for text... [Read more]

Connecting to an external database from R can be challenging. This is made worse when you need to interact with a database from a live Shiny application. To demystify this process, I'll do two... [Read more]

In "Scraping data with rvest and purrr" I will talk through how to pair and combine rvest (the knife) and purrr (the frying pan) to scrape interesting data from a bunch of websites.

rvest... [Read more]

The ggiraph package combines ggplot2 and D3.js tools. From a user point of view, it enables the production of interactive graphics from ggplot2 objects by using their extension... [Read more]

The jamovi project aims to make R and its ecosystem of analyses accessible to this large body of users.

jamovi provides a familiar, attractive, interactive spreadsheet with the usual... [Read more]

Dose-response analysis using R II



Source: useR 2017

Introduction to optimal changepoint detection algorithms.



Source: useR 2017

In this presentation, we show how to create real-time collaboration experience in Shiny apps.

From the presentation, you will learn the concepts of reactive databases, how to use them in... [Read more]

ANOVA-like statistical tests for differences among groups are available for almost a hundred years. But for large number of groups the results from commonly used post-hoc tests are often hard to in... [Read more]