June 2019

Prob/Stat for Data Sci: Math + R + Data

June 30, 2019 | matloff

My new book, Probability and Statistics for Data Science: Math + R + Data, pub. by the CRC Press, was released on June 24! This book arose from an open-source text I wrote and have been teaching from. The open source version will still be available, though rather different from the published one. ... [Read more...]

Comrades Marathon (2019) Splits

June 30, 2019 | R | datawookie

I’m looking at ways to effectively visualise the splits data for the 2019 edition of the Comrades Marathon. My objectives are to provide: an overall view of the splits across the entire field and a detailed view for individual runners (relative ...
[Read more...]

Comrades Marathon (2019) Splits

June 30, 2019 | R on datawookie

I’m looking at ways to effectively visualise the splits data for the 2019 edition of the Comrades Marathon. My objectives are to provide: an overall view of the splits across the entire field and a detailed view for individual runners (relative to the rest of the field). Ridge Plot My ...
[Read more...]

Hubway Station Metrics

June 30, 2019 | Charles Cohen

Hubway, a bike sharing system in Boston, was launched in July of 2011. In the past 8 years, they have expanded to over 150 locations throughout the city. In 2014, as a part of a data science challenge, Hubway made 3 years of its data public. This reflected every time a user started or ended […] [Read more...]

Shiny Modules (part 3): Dynamic module call

June 30, 2019 | ArData

On the previous post “Share reactive among multiple modules” we showed how to send/get data to/from modules. Now that toying with modules has no more secret for you. You may want to call one module multiple times without having to explicitly code it ? On this article we will ... [Read more...]

Imagine your Data Before You Collect It

June 30, 2019 | R Views

As data scientists, we are often presented with a dataset and are asked to use it to produce insights. We use R to wrangle, visualize, model, and produce tables and plots for sharing or publication. When we focus on the data in hand in this way, we don’t get ...
[Read more...]

B3 is shutting down its ftp site

June 30, 2019 | R on msperlin

Well, bad news travels fast. Over the last couple of weeks I’ve been receiving a couple of emails regarding B3’s decision of shutting down its ftp site. More specifically, users are eager to know how it will impact my data grabbing packages in ... [Read more...]

Reordering and facetting for ggplot2

June 30, 2019 | Rstats on Julia Silge

I recently wrote about the release of tidytext 0.2.1, and one of the most useful new features in this release is a couple of helper functions for making plots with ggplot2. These helper functions address a class of challenges that often arises when dealing with text data, so we’ve included ...
[Read more...]

Where the Beer is

June 30, 2019 | Graeme Keleher

Since prohibition ended in 1933, the American brewing industry has undergone two massive transformations. The first saw hundreds of regional breweries from across the country, often brewing beer unique their respective regions, become consolidated into a handful of behemoths. During the period of greatest consolidation in the early 1980s the ten ... [Read more...]

Traffic tickets and where to find them.

June 30, 2019 | Michael Drozdov

Dashboard: Link Introduction & Data Anyone who has ever experienced driving in New York City can attest to the fact that it may at times be a less-than-satisfactory experience. With pedestrians who rightfully assume ownership of all parts of this city, cyclists who do the same, and other drivers who, let's ...
[Read more...]

An Introduction to Reproducible Analyses in R

June 30, 2019 | melliferrari

Earlier this week I had a lot of fun running a one-day workshop for the Royal Society of Biology titled “An Introduction to Reproducible Analyses in R”. It was intended to introduce researchers at all stages of their careers to using R to make their analyses and figures more reproducible. ...
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RProtoBuf 0.4.14

June 30, 2019 | Thinking inside the box

A new release 0.4.14 of RProtoBuf is arriving at CRAN. RProtoBuf provides R with bindings for the Google Protocol Buffers (“ProtoBuf”) data encoding and serialization library used and released by Google, and deployed very widely in numerous proje... [Read more...]

Make Refreshing Segmented Column Charts with {ggchicklet}

June 30, 2019 | hrbrmstr

The first U.S. Democratic debates of the 2020 election season were held over two nights this past week due to the daft number of candidates running for POTUS. The spiffy @NYTgraphics folks took the tallies of time spent blathering by each speaker/topic and made rounded rectangle segmented bar charts ...
[Read more...]
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