November 2017

Where to live in the US

November 15, 2017 | Maëlle Salmon

I was fascinated by this xkcd comic about where to live based on your temperature preferences. I also thought it’d be fun to try to make a similar one from my R session! Since I’m no meteorologist and was a bit unsure of how to define winter and ... [Read more...]

Shiny App for making Pixel Art Models

November 15, 2017 | Florian Privé

Last weekend, I discovered the pixel art. The goal is to reproduce a pixelated drawing. Anyone can do this without any drawing skills because you just have to reproduce the pixels one by one (on a squared paper). Kids and big kids can quickly become addicted to this. Example For ...
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Speeding up package installation

November 15, 2017 | csgillespie

Can’t be bothered reading, tell me now A simple one-line tweak can significantly speed up package installation and updates. See my post at the Jumping Rivers blog (no point duplicating content in two places)   [Read more...]

Analysis of Feedback from satRday [Cape Town] 2017

November 14, 2017 | R on datawookie

We recently announced the second satRday (Cape Town) conference scheduled to take place on 17 March 2018. Obviously we want this to be bigger and better than this year’s event, so we are paying careful attention to the feedback that we received from the first event. This is a quick analysis ...
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Speeding up package installation

November 14, 2017 | R on The Jumping Rivers Blog

Can’t be bothered reading, tell me now The wonder of CRAN Parallel package installation: Ncpus Does it work? A permanent change: .Rprofile References Can’t be bothered reading, tell me now A simple one line tweak can significantly speed up package installation and updates. The wonder of CRAN One ...
[Read more...]

Speeding up package installation

November 14, 2017 | R on The Jumping Rivers Blog

Can’t be bothered reading, tell me now The wonder of CRAN Parallel package installation: Ncpus Does it work? A permanent change: .Rprofile References Can’t be bothered reading, tell me now A simple one line tweak can significantly speed up package installation and updates. The wonder of CRAN One ... [Read more...]

Using Shiny with Scheduled and Streaming Data

November 14, 2017 | R Views

Shiny applications are often backed by fluid, changing data. Data updates can occur at different time scales: from scheduled daily updates to live streaming data and ad-hoc user inputs. This article describes best practices for handling data updates in Shiny, and discusses deployment strategies for automating data updates. This post ...
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Mapping data using R and leaflet

November 14, 2017 | nsaunders

The R language provides many different tools for creating maps and adding data to them. I’ve been using the leaflet package at work recently, so I thought I’d provide a short example here. Whilst searching for some data that might make a nice map, I came across this ...
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Visualize KEGG pathway and fold enrichment

November 14, 2017 | fabiomarroni

As a useful note to self, I paste here an easy example on the use of the pathview package by Weijun Luo to plot the log fold change of gene expression across a given KEGG pathway. This example is on Vitis vinifera (as the prefix vvi can suggest), but the ... [Read more...]

Advice to aspiring data scientists: start a blog

November 14, 2017 | David Robinson

Last week I shared a thought on Twitter: When you’ve written the same code 3 times, write a functionWhen you’ve given the same in-person advice 3 times, write a blog post— David Robinson (@drob) November 9, 2017 Ironically, this tweet hints at a piece of advice I’ve given at least 3 dozen ... [Read more...]

An update for MRAN

November 14, 2017 | David Smith

MRAN, the Microsoft R Application Network has been migrated to a new high-performance, high-availability server, and we've taken the opportunity to make a few upgrades along the way. You shouldn't notice any breaking changes (of course if you do, please let us know), but you should notice faster performance for ... [Read more...]

intsvy: PISA for research and PISA for teaching

November 14, 2017 | smarterpoland

The Programme for International Student Assessment (PISA) is a worldwide study of 15-year-old school pupils’ scholastic performance in mathematics, science, and reading. Every three years more than 500 000 pupils from 60+ countries are surveyed along with their parents and school representatives. The study yields in more than 1000 variables concerning performance, attitude and ... [Read more...]

Come and work with me

November 13, 2017 | R on Rob J Hyndman

I have funding for a new post-doctoral research fellow, on a 2-year contract, to work with me and Professor Kate Smith-Miles on analysing large collections of time series data. We are particularly seeking someone with a PhD in computational statistics or statistical machine learning. Desirable characteristics: Experience with time series ... [Read more...]
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