#28: Welcome RSPM and test-drive with Bionic and Focal

July 3, 2020 | 0 Comments

Welcome to the 28th post in the relatively random R recommendations series, or R4 for short. Our last post was a “double entry” in this R4 series and the newer T4 video series and covered a topic touched upon in this R4 series multiple times: eas... [Read more...]

Sort data frames by columns

July 2, 2020 | 0 Comments

To select areas of interest in a data frame they often need to be ordered by specific columns. The dplyr arrange() function supports data frame orderings by multiple columns in ascending and descending order. Use the arrange() function to sort data f...
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poorman: Version 0.2.1 Release

July 1, 2020 | 0 Comments

Introduction Welcome to my series of blog posts about my data manipulation package, {poorman}. For those of you that don’t know, {poorman} is aiming to be a replication of {dplyr} but using only {base} R, and therefore be completely dependency free. What’s nice about this series is that ... [Read more...]

word2vec in R

July 1, 2020 | 0 Comments

Learn how to apply word2vec in R on your text in this pdf presentation available at http://bnosac.be/index.php/blog/100-word2vec-in-R. Where we focus on our R package word2vec available at https://github.com/bnosac/word2vec You can view the presentatio... [Read more...]

The pelotonR Package Debut!

July 1, 2020 | 0 Comments

I just released my first open-source package: pelotonR! The package was created to provide users with sample access to Peloton data through R. Learn more at the website: https://lgellis.github.io/pelotonR/
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Tip (4), Variable Explorer for both R and Python in RStudio

July 1, 2020 | 0 Comments

In recent past, frequent usage of both R and Python by Data Scientists are considerably increasing. RStudio is preferred IDE for most of R users, though, there are Editors and Notebooks which serve for both languages, yet, switching between them is not easy. Especially for those who got used to ... [Read more...]

Puzzling Regression Anatomy

July 1, 2020 | 0 Comments

Consider a regression model with the following causal structure: The variable x1 affects y directly and also indirectly via x2. The following R code implements the model and simulates a corresponding data set. set.seed(1) n = 10000 beta1 = 1; bet... [Read more...]

A Social Network Simulation In The Tidyverse

July 1, 2020 | 0 Comments

Do you want to visualize beautiful graphs in R but are shy to leave the tidyverse? Tidygraph and Ggraph 'got you covered! See how their main functionalities are applied in this social network example! Der Beitrag A Social Network Simulation In The Tidyverse erschien zuerst auf STATWORX.
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Using Pyomo from R through the magic of Reticulate

June 30, 2020 | 0 Comments

Pyomo is a python based open-source package for modeling optimization problems. It makes it easy to represent optimization problems and can send it to different solvers (both open-source and commercial) to solve the problem and return the results in python. The advantage of pyomo compared to commercial software such as ... [Read more...]

Announcing Public Package Manager and v1.1.6

June 30, 2020 | 0 Comments

Today we are excited to release version 1.1.6 of RStudio Package Manager and announce https://packagemanager.rstudio.com. This service builds on top of the work done by CRAN, to offer the R community: Access to pre-compiled packages on Linux via install.packages resulting in significantly faster package install times on ... [Read more...]

Open-Source Authorship of Data Science in Education Using R

June 30, 2020 | 0 Comments

Joshua M. Rosenberg, Ph.D., is Assistant Professor of STEM Education at the University of Tennessee, Knoxville. In earlier posts, we shared how we wrote Data Science in Education Using R as an open book (Post 1, Post 2). In this post, we describe what we consider to be the open-source authorship ...
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Estimating Runtime for an R script

June 30, 2020 | 0 Comments

Estimating the runtime of an R script Background Recently a person on StackOverflow asked a question about how to estimate the runtime of an R script. She was attempting to produce corelation tests for 60 questions in a survey, using the corr.test() ... [Read more...]

Le Monde puzzle [#1149]

June 30, 2020 | 0 Comments

The weekly puzzle from Le Monde is a leaking variant on an old puzzle: Three buckets have capacities of 8, 5 and 3 litres, respectively. At the start of the game, the 8 litre bucket is full and both others are empty. Aiming at reaching exactly 4 litres in one bucket, water is transferred between […]
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beta: Evidence-based Software Engineering – book

June 30, 2020 | 0 Comments

My book, Evidence-based software engineering: based on the publicly available data is now out on beta release (pdf, and code+data). The plan is for a three-month review, with the final version available in the shops in time for Christmas (I plan to get a few hundred printed, and made ... [Read more...]

Impressions from e-Rum2020

June 30, 2020 | 0 Comments

e-Rum2020 conference connects many hundreds of R enthusiasts in virtual space! With the Covid-19 pandemic turning plans upside down on a global scale, what should have happened at the end of May in Milano as eRum2020 had to be converted into a virtu...
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The Bechdel test and the X-Mansion with tidymodels and #TidyTuesday

June 29, 2020 | 0 Comments

Lately I’ve been publishing screencasts demonstrating how to use the tidymodels framework, from first steps in modeling to how to evaluate complex models. Today’s screencast focuses on using bootstrap resampling with this week’s #TidyTuesday dataset from the Claremont Run Project about issues of the comic book series ...
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Introducing Polished.tech

June 29, 2020 | 0 Comments

Polished.tech is our new software service that makes it easier than ever to add modern authentication to your Shiny apps. Implementing authentication from scratch is inefficient and increases the probability of security vulnerabilities. Hand roll... [Read more...]

Future-Proofing Your Data Science Team

June 29, 2020 | 0 Comments

Photo by Brian McGowan on Unsplash This is a guest post from RStudio’s partner, Mango Solutions As RStudio’s Carl Howe recently discussed in his blog post on equipping remote data science teams, with the rapidly evolving COVID-19 crisis, companies have been increasingly forced to adopt working from home ... [Read more...]
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