June 2017

Can we predict flu deaths with Machine Learning and R?

June 22, 2017 | Shirin Glander

Among the many R packages, there is the outbreaks package. It contains datasets on epidemics, on of which is from the 2013 outbreak of influenza A H7N9 in China, as analysed by Kucharski et al (2014). I will be using their data as an example to test whether we can use ...

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Introducing Community Tutorials

June 22, 2017 | Datazar

Today we’re introducing Datazar Community Tutorials. At Datazar, we love writing tutorials and how-tos on R, Python, D3, research and science best practices in general. So starting today, we’re extending that ability to our users so they can share ...

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Publishing from blogdown to GitHub with Travis

June 22, 2017 | David Selby

Yihui Xie’s new blogdown package is a brilliantly elegant and simple tool for creating R-themed blogs and web sites. Starting your own blog is as simple as one line of R code: blogdown::new_site() By default, blogdown uses Hugo, a static web site generator written in Google’s ...

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All the fake data that’s fit to print

June 22, 2017 | Scott Chamberlain

charlatan makes fake data. Excited to annonunce a new package called charlatan. While perusing packages from other programming languages, I saw a neat Python library called faker. charlatan is inspired from and ports many things from Python's https://github.com/joke2k/faker library. In turn, faker was inspired from ... [Read more...]

Plotting partial pooling in mixed-effects models

June 21, 2017 | Higher Order Functions

In this post, I demonstrate a few techniques for plotting information from a relatively simple mixed-effects model fit in R. These plots can help us develop intuitions about what these models are doing and what “partial pooling” means. The sleeps...

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R: K-Means Clustering MLB Data

June 21, 2017 | Ian Johnson

k-means clustering is a useful unsupervised learning data mining tool for assigning n observations into k groups which allows a practitioner to segment a dataset. I play in a fantasy baseball league and using five offensive variables (R, AVG, HR, RBI, SB) I am going to use k-means clustering to: 1) ...

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RcppCCTZ 0.2.3 (and 0.2.2)

June 21, 2017 | Thinking inside the box

A new minor version 0.2.3 of RcppCCTZ is now on CRAN. RcppCCTZ uses Rcpp to bring CCTZ to R. CCTZ is a C++ library for translating between absolute and civil times using the rules of a time zone. In fact, it is two libraries. One for dealing with civ... [Read more...]

Large integers in R: Fibonacci number with 1000 digits, Euler Problem 25

June 21, 2017 | Peter Prevos

Solution to Euler Problem 25 in the R language. What is the index of the first term in the Fibonacci sequence to contain 1000 digits? Continue reading → The post Large integers in R: Fibonacci number with 1000 digits, Euler Problem 25 appeared first on The Devil is in the Data. [Read more...]

Confidence Intervals without Your Collaborator’s Tears

June 21, 2017 | Theory meets practice...

Abstract We provide an interpretation for the confidence interval for a binomial proportion hidden as the transcript of an hypothetical statistical consulting session. This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. The markdown+Rknitr source code of this blog is available under a GNU General Public License (... [Read more...]

Updated Data Science Virtual Machine for Windows: GPU-enabled with Docker support

June 21, 2017 | David Smith

The Windows edition of the Data Science Virtual Machine (DSVM), the all-in-one virtual machine image with a wide-collection of open-source and Microsoft data science tools, has been updated to the Windows Server 2016 platform. This update brings built-in support for Docker containers and GPU-based deep learning. GPU-based Deep Learning. While prior ... [Read more...]

Neural networks Exercises (Part-3)

June 21, 2017 | Guillaume Touzin

Neural network have become a corner stone of machine learning in the last decade. Created in the late 1940s with the intention to create computer programs who mimics the way neurons process information, those kinds of algorithm have long been believe to be only an academic curiosity, deprived of practical ... [Read more...]

Call for Help: R/Shiny Developer

June 21, 2017 | Isaac Petersen

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

Importing and Managing Financial Data

June 21, 2017 | Joshua Ulrich

I'm excited to announce my DataCamp course on importing and managing financial data in R! I'm also honored that it is included in DataCamp's Quantitative Analyst with R Career Track!You can explore the first chapter for free, so be sure to check it out!Course DescriptionFinancial and economic time ...

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Deploying a Minimal API using plumber on DigitalOcean

June 21, 2017 | R on datawookie

Some quick notes on deploying an API (generated with plumber) on DigitalOcean. Development Setup On your local machine install a couple of packages from GitHub. __ devtools::install_github("trestletech/plumber") __ devtools::install_github("sckott/analogsea") In RStudio open a new script and create a single, simple API endpoint which will ...

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EARL London agenda – top picks

June 21, 2017 | Blog

Nic Crane, Data Scientist The agenda for EARL London has just been released, and with three streams running in parallel, I always like to pick which talks I'll be going to in advance, to make sure I get... [Read more...]

Analytics Administration for R

June 20, 2017 | R Views

Analytic administrator is a role that data scientists assume when they onboard new tools, deploy solutions, support existing standards, or train other data scientists. It is a role that works closely with IT to maintain, upgrade, and scale analytic environments. Analytic admins have a multiplier effect - as they go ...

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Smoothing a time-series with a Bayesian model

June 20, 2017 | Bluecology blog

Smoothing a time-series with a Bayesian model Recently I looked at fitting a smoother to a time-series using Bayesian modelling. Now I will look at how you can control the smoothness by using more or less informative priors on the precision (1/varianc... [Read more...]

R leads, Python gains in 2017 Burtch Works Survey

June 20, 2017 | David Smith

For the past four years, recruiting firm Burtch Works has conducted a simple survey of data scientists with just one question: "Which do you prefer to use — SAS, R or Python". The results for this year's survey of 1,046 respondents are in: R: 40% (2016: 42%) SAS: 34% (2016: 39%) Python: 26% (2016: 20%) Compared to last year's results, Python ... [Read more...]

An Out of Sample Update on DDN’s Volatility Momentum Trading Strategy and Beta Convexity

June 20, 2017 | Ilya Kipnis

The first part of this post is a quick update on Tony Cooper’s of Double Digit Numerics’s volatility ETN momentum … Continue reading →

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How to build a color palette from any image with R and k-means algo

June 20, 2017 | Andrea Cirillo

Great painters can teach us a lot about how to compose a good palet for our plot. That is why we look here at a way to algorithmically derive a colour palette from any jpeg image. Application of derived palettes on ggplot is also showed. The post How to build ... [Read more...]

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R-bloggers

R news and tutorials contributed by hundreds of R bloggers

June 2017

Can we predict flu deaths with Machine Learning and R?

Introducing Community Tutorials

Publishing from blogdown to GitHub with Travis

All the fake data that’s fit to print

Plotting partial pooling in mixed-effects models

R: K-Means Clustering MLB Data

RcppCCTZ 0.2.3 (and 0.2.2)

Large integers in R: Fibonacci number with 1000 digits, Euler Problem 25

Confidence Intervals without Your Collaborator’s Tears

Updated Data Science Virtual Machine for Windows: GPU-enabled with Docker support

Neural networks Exercises (Part-3)

Call for Help: R/Shiny Developer

Importing and Managing Financial Data

Deploying a Minimal API using plumber on DigitalOcean

EARL London agenda – top picks

Analytics Administration for R

Smoothing a time-series with a Bayesian model

R leads, Python gains in 2017 Burtch Works Survey

An Out of Sample Update on DDN’s Volatility Momentum Trading Strategy and Beta Convexity

How to build a color palette from any image with R and k-means algo

June 2017

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