July 2018

Amazon Alexa and Accented English

July 18, 2018 | Rstats on Julia Silge

Earlier this spring, one of my data science friends here in SLC got in contact with me about some fun analysis. My friend Dylan Zwick is a founder at Pulse Labs, a voice-testing startup, and they were chatting with the Washington Post about a piece on how devices like Amazon ...
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Randomize by, or within, cluster?

July 18, 2018 | Keith Goldfeld

I am involved with a stepped-wedge designed study that is exploring whether we can improve care for patients with end-stage disease who show up in the emergency room. The plan is to train nurses and physicians in palliative care. (A while ago, I described what the stepped wedge design is.) ...
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R tips and tricks – the assign() function

July 18, 2018 | Eran Raviv

The R language has some quirks compared to other languages. One thing which you need to constantly watch for when moving to- or from R, is that R starts its indexing at one, while almost all other languages start indexing at zero, which takes some getting used to. Another quirk ... [Read more...]

Highlights from the useR! 2018 conference in Brisbane

July 18, 2018 | David Smith

he fourteenth annual worldwide R user conference, useR!2018, was held last week in Brisbane, Australia and it was an outstanding success. The conference attracted around 600 users from around the world and — as the first held in the Southern hemisphere — brought many first-time conference-goers to useR!. (There were also a number ... [Read more...]

Just use a scatterplot. Also, Sydney sprawls.

July 17, 2018 | nsaunders

Sydney’s congestion at ‘tipping point’ blares the headline and to illustrate, an interactive chart with bars for city population densities, points for commute times and of course, dual-axes. Yuck. OK, I guess it does show that Sydney is one of three cities that are low density, but have comparable ...
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Monte Carlo Shiny: Part Three

July 17, 2018 | R Views

In previous posts, we covered how to run a Monte Carlo simulation and how to visualize the results. Today, we will wrap that work into a Shiny app wherein a user can build a custom portfolio, and then choose a number of simulations to run and a number of months ...
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Video: R for AI, and the Not Hotdog workshop

July 17, 2018 | David Smith

Earlier this year at the QCon.ai conference, I gave a short presentation, "The Case for R, for AI developers". I also presented an interactive workshop, using R and the Microsoft Cognitive Services APIs, to automatically generate captions for images, and to create a tool to recognize images of hotdogs. ... [Read more...]

Clean Your Data in Seconds with This R Function

July 17, 2018 | Naeemah Aliya Small

All data needs to be clean before you can explore and create models. Common sense, right. Cleaning data can be tedious but I created a function that will help. The function do the following: Clean Data from NA’s and Blanks Separate the clean data – Integer dataframe, Double dataframe, Factor ... [Read more...]

Deploying R models in SQL server

July 17, 2018 | Douglas Ashton

As an R user who is building models and analysing data, one of the key challenges is how to make those results available to those who need it. After all, data science is about making better decisions, and your results need to get into the hands of the people who ...
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pinp 0.0.6: Two new options

July 17, 2018 | Thinking inside the box

A small feature release of our pinp package for snazzier one or two column vignettes get onto CRAN a little earlier. It offers two new options. Saghir Bashir addressed a longer-standing help needed! issue and contributed code to select papersize opti...
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Using leaflet, just because

July 17, 2018 | nsaunders

I love it when researchers take the time to share their knowledge of the computational tools that they use. So first, let me point you at Environmental Computing, a site run by environmental scientists at the University of New South Wales, which has a good selection of R programming tutorials. ...
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The Richmond Red Zone

July 16, 2018 | Analysis of AFL

So watching footyclassified and Matthew Lloyd made a comment that it would seem as though the key to beating Richmond is controlling the ball via having more kicks to handballs. Got me thinking, wouldn’t that be cool if a plot showed the same insight that an industry professional had? ...
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