September 2019

Laguerre-Samuelson Inequality

September 12, 2019 | LeaRning Stats

Chebychev’s Theorem gives bounds on how spread out a probability distribution can be from the mean, in terms of the standard deviation. More precisely, if \(X\) is a random variable with mean \(\mu\) and standard deviation \(\sigma\), then \[ P(|X - ... [Read more...]

Fitting ‘complex’ mixed models with ‘nlme’: Example #2

September 12, 2019 | R on The broken bridge between biologists and statisticians

A repeated split-plot experiment with heteroscedastic errors Let’s imagine a field experiment, where different genotypes of khorasan wheat are to be compared under different nitrogen (N) fertilisation systems. Genotypes require bigger plots, with respect to fertilisation treatments and, therefore, the most convenient choice would be to lay-out the experiment ... [Read more...]

Social Network Visualization with R

September 12, 2019 | JOURNEYOFANALYTICS

In this month’s we are going to look at data analysis and visualization of social networks using R programming. Friendster Networks Mapping Friendster was a yesteryear social media network, something akin to Facebook. I’ve never used it but it is one of those easily available datasets where you ...
[Read more...]

Social Network Visualization with R

September 12, 2019 | JOURNEYOFANALYTICS

In this month’s we are going to look at data analysis and visualization of social networks using R programming. Friendster Networks Mapping Friendster was a yesteryear social media network, something akin to Facebook. I’ve never used it but it is one of those easily available datasets where you ...
[Read more...]

WVPlots 1.1.2 on CRAN

September 12, 2019 | Nina Zumel

I have put a new release of the WVPlots package up on CRAN. This release adds palette and/or color controls to most of the plotting functions in the package. WVPlots was originally a catch-all package of ggplot2 visualizations that we at Win-Vector tended to use repeatedly, and wanted to ...
[Read more...]

A DevOps Process for Deploying R to Production

September 12, 2019 | David Smith

I've been at the EARL Conference in London this week, and as always it's been inspiring to see so many examples of R being used in production at companies like Sainsbury's, BMW, Austria Post, PartnerRe, Royal Free Hospital, the BBC, the Financial Times, and many others. My own talk, A ... [Read more...]

Gold-Mining Week 2 (2019)

September 11, 2019 | Michael Griebe

Welcome to the 2019 Fantasy Football Season! Week 2 Gold Mining and Fantasy Football Projection Roundup now available. The post Gold-Mining Week 2 (2019) appeared first on Fantasy Football Analytics. [Read more...]

Call for Help: Lead R/Shiny Developer

September 11, 2019 | Isaac Petersen

Dear Fantasy Football Analytics Community, In 2013, we at Fantasy Football Analytics released web apps to help people make better decisions in fantasy football based on the wisdom of the[...] The post Call for Help: Lead R/Shiny Developer appeared first on Fantasy Football Analytics. [Read more...]

R/Medicine 2019 Workshops

September 11, 2019 | R Views

R/Medicine 2019 kicked off on Thursday with two outstanding workshops. It was difficult to choose between the two, but fortunately both presenters developed rich sets of materials that are available online. Alison Hill delivered R Markdown for Medicine with an elegant HTML exposition masterfully created to cultivate beginners while still ...
[Read more...]

Dynamic UI Elements in Shiny

September 11, 2019 | Oliver Guggenbühl

Shiny enables its users to quickly create a fixed UI with code. Although simple, this can prove to be quite limiting. Applying the principles of reactivity to the UI part of a ShinyApp is a natural progression from reactive coding as we know it already from Shiny's server side. This ...
[Read more...]

Finding the Modal School District

September 10, 2019 | %>% dreams

My good friend Ryan Estrellado recommended an NPR Planet Money podcast episode on the “Modal American.” Working with Ben Casselman, Planet Money explored the most ‘typical’ American. It was a fantastic, engaging episode about a common statistical technique that I’ve never seen applied in this way before. They ran ...
[Read more...]

R comes to oil + gas

September 10, 2019 | modern.data

Tools capable of producing rich analytic reports and data visualizations are a valuable resource for decision makers in any field. Dash is an open-sourced based framework for building dynamic web applications that seamlessly integrates interactive graphics and tabular data summaries, serving as a catalyst for data-driven decision-making. Several features of ...
[Read more...]

Hadley is a smash hit at LondonR

September 10, 2019 | Matt Aldridge

We were thrilled to host Hadley Wickham who delivered, as ever, a funny and engaging talk to a packed house at LondonR in August. In fact, to give you an idea of how much anticipated this event was, tickets to see Hadley sold out in under two hours! It’s ... [Read more...]

Extracting Sydney transport data from Twitter

September 10, 2019 | nsaunders

The @sydstats Twitter account uses this code base, and data from the Transport for NSW Open Data API to publish insights into delays on the Sydney Trains network. Each tweet takes one of two forms and is consistently formatted, making it easy to parse and extract information. Here are a ...
[Read more...]
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