The ‘spam comments’ puzzle: tidy simulation of stochastic processes in R

April 13, 2020 | 0 Comments

Previously in this series: The “lost boarding pass” puzzle The “deadly board game” puzzle The “knight on an infinite chessboard” puzzle The “largest stock profit or loss” puzzle The “birthday paradox” puzzle The “Spelling Bee honeycomb” puzzle Feller’s “coin-tossing” puzzle I love 538’s Riddler column, and the April 10 puzzle ... [Read more...]

Tutorial: Web Scraping in R with rvest

April 13, 2020 | 0 Comments

Learn how to do web scraping in R by using the rvest package to scrape data about the weather in this free R web scraping tutorial. The post Tutorial: Web Scraping in R with rvest appeared first on Dataquest.
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Biterm topic modelling for short texts

April 13, 2020 | 0 Comments

A few weeks ago, we published an update of the BTM (Biterm Topic Models for text) package on CRAN. Biterm Topic Models are especially usefull if you want to find topics in collections of short texts. Short texts are typically a twitter message, a short answer on a survey, the ... [Read more...]

Hosting a Virtual useR Meetup

April 13, 2020 | 0 Comments

By Rachael Dempsey, Senior Enterprise Advocate at RStudio / Greater Boston useR Organizer Last month, the Boston useR Group held our very first virtual meetup and opened this up to... The post Hosting a Virtual useR Meetup appeared first on R Consortium.
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K is for Keep or Drop Variables

April 13, 2020 | 0 Comments

A few times in this series, I've wanted to display part of a dataset, such as key variables, like Title, Rating, and Pages. The tidyverse allows you to easily keep or drop variables, either temporarily or permanently, with the select function. For inst...
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psychonetrics 0.7, meta-analysis preprint and online SEM course

April 13, 2020 | 0 Comments

Version 0.7 of the psychonetrics package is now on CRAN! This version is a major restructure of the package leading to a lot of new functionality as well as much faster computations. In addition, a new pre-print is now online describing meta-analysis procedures now implemented in psychonetrics. Free course on Structural ... [Read more...]

pins 0.4: Versioning

April 12, 2020 | 0 Comments

A new release of pins is available on CRAN today. This release adds support to time travel across dataset versions, which improves collaboration and protects your code from breaking when remote resources change unexpectedly. [Read more...]

Build a static website with R Shiny

April 12, 2020 | 0 Comments

Sounds stupid? Yes, it’s kind of throwing away 99% of Shiny’s power; and you can always build a static website with R markdown, blogdown, or bookdown. Anyway, please keep reading as it will save you time if you are an R users who want to make a portfolio website ... [Read more...]

Estimating and testing GLMs with `emmeans`

April 12, 2020 | 0 Comments

This post was written in collaboration with Almog Simchon (@almogsi) and Shachar Hochman (@HochmanShachar). Go follow them. The fictional simplicity of Generalized Linear Models Who doesn’t love GLMs? The ingenious idea of taking a response level variable (e.g. binary or count) and getting some link function magic to ...
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Learning gganimate with the LastFM API

April 12, 2020 | 0 Comments

I’m one of the few people that actually still has – and uses – a Last.fm account. I say still, I’m one of the few who ever had one. I’ve been playing around with some APIs for the first time lately and thought I’d check out the ...
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Android Smartphone Analysis in R [Code + Video]

April 12, 2020 | 0 Comments

In this post, We’ll learn how to take analyse your Android Smartphone usage data. Steps: Download your MyActivity Data from Google Takeout - https://takeout.google.com/ (after Selecting json format - instead of the default html format) When the download is available, save the zip file and unzip ...
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An (Animated) Example of Bayesian Updating

April 11, 2020 | 0 Comments

Bayesian statistics is centered on constructing certain assumptions about how the probability of an event is distributed, and then adjusting that belief as new information comes in. It can be more involved to construct a Bayesian model as opposed to the “look at many things in aggregate” approach used in ...
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How to basic: bar plots

April 11, 2020 | 0 Comments

This blog post shows how to make bar plots and area charts. It’s mostly a list of recipes, indented for myself. These are plots I have often to do in reports and would like to have the code handy somewhere. Maybe this will be helpful to some of you ... [Read more...]

Is COVID-19 as bad as all that? Yes it probably is.

April 11, 2020 | 0 Comments

As an economist without formal training in epidemiology I have done my best to leave the modelling up to the experts. But, the world as shut down around me and my life is suddenly so much more complicated and I have to wonder, is this COVID thing as dangerous as ...
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New Package — {cdccovidview} — To Work with the U.S. CDC’s New COVID-19 Trackers: COVIDView and COVID-NET

April 11, 2020 | 0 Comments

The United States Centers for Disease Control (CDC from now on) has setup two new public surveillance resources for COVID-19. Together, COVIDView and COVID-NET provide similar weekly surveillance data as FluView does for influenza-like illnesses (ILI). The COVIDView resources are HTML tables (O_O) and, while the COVID-NET interface provides ...
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Live data extraction with Cron and R

April 11, 2020 | 0 Comments

Learn how to schedule robust data extraction with Cron and Docker containers. The schema of the public live data set on Google Big Query we are going to extractThis article was also published on https://www.r-bloggers.com/. This is part two of a multi article series on building and ...
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J is for Join

April 11, 2020 | 0 Comments

Today, we'll start digging into the wonderful world of joins! The tidyverse offers several different types of joins between two datasets, X and Y: left_join - keeps all rows from X and adds columns from Y to any that match cases in X; if there is no matching record ...
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