RStudio is proud to announce the general availability of RStudio Cloud, its cloud-based platform for doing, teaching, and learning data science using only a browser. This general release incorporates feedback from thousands of users, based on more tha...

Power Analysis by simulation in R for really any design - Part IV Building up mixed-effects models Back on track: Simulating a DV based on the data-frame row entries Finally! Mixed Effects power! Final words Appendices Footnotes Click HERE to download the .Rmd file This blog is also available on ...

Part of my job at a regional water utility involves visualising operational data. We manage water and sewerage services for a large number of small and medium-sized towns in regional Victoria (Australia). Traditionally, performance reports consist of extensive tables filled with numbers with a line for each city. To make ...

We would like to invite you to our useR 2020 tutorial on mlr3, mlr3tuning and mlr3pipelines taught by Bernd Bischl and Michel Lang. The tutorial will take place on 7th August at 10:00 (UTC-5). You can find more information and the registration link...

We would like to invite you to our useR 2020 tutorial on mlr3, mlr3tuning and mlr3pipelines taught by Bernd Bischl and Michel Lang. The tutorial will take place on 7th August at 10:00 (UTC-5). You can find more information and the registration link...

Table of Contents Libraries Introduction Data LDA on Chapters Mistaken words References Libraries These libraries will be needed to conduct the research. library(topicmodels) library(plyr) library(tidyverse) library(tidytext) librar...

We would like to invite you to our useR 2020 tutorial on mlr3, mlr3tuning and mlr3pipelines taught by Bernd Bischl and Michel Lang. The tutorial will take place on 7th August at 10:00 (UTC-5). You can find more information and the registration link...

Late last year, I added a mixture distribution to the simstudy package, largely motivated to accommodate zero-inflated Poisson or negative binomial distributions. (I really thought I had added this two years ago - but time is moving so slowly these days.) These distributions are useful when modeling count data, but ...

The BlueSky Statistics graphical user interface (GUI) for the R language has added quite a few new features (described below). I’m also working on a BlueSky User’s Guide, a draft of which you can read about and download here. Although … Continue reading →

TLDR We sometimes have the option to purchase additional information (like paying for an experiment to be performed, or for a report from an expert consultant) to help us in problems of decision making under uncertainty. Deciding whether or not such services are worthwhile is challenging - how do we ...

The raceland package implements a computational framework for a pattern-based, zoneless analysis and visualization of (ethno)racial topography. The main concept in this package is a racial landscape (RL). It consists of many large and small patches (racial enclaves) formed by adjacent raster grid cells having the same race categories. ...

As the monsoon season (finally) ends, another TokyoR meetup! Since COVID hit all of TokyoR’s meetups since February have been done online and the transition has been seamless thanks to the efforts of the TokyoR organizing team. ...

I just moved to NYC in January 2020. My reason for moving was to enjoy the socially rich community and the plethora of activities that I could explore, such as museums, cute little theaters, Broadway shows, fancy stores, riding the subway and watching people, restaurants and the fun nightlife. And I ...