R Weekly 2017 Issue 5

30 Jan 2017

Highlight

• Data Driven Cheatsheets

R in the Real World

• Analyzing the US election using Twitter and Meta-Data in R

• IMDB Movie Analysis

• Metro Systems Over Time - Metro systems are an interesting way to learn more about the growth of a city over time.

• More water, a bit more about saints - Visualizing names of French villages

• Predicting the Willingen 2017 men’s ski jumping competition

• One View of the Impact of the New Immigration Ban (+ freeing PDF data with tabulizer)

• Kung Fu R

• A Data Driven Exploration of Kung Fu Films

• Web scraping UFOs: Gather the Data

Insights

• Choosing Software to Publish your Data Science Portfolio

• R vs Python – a One-on-One Comparison

• Data Driven Cheatsheets

• A basic reproducible data analysis workflow – principles

R in Organization

• New Zealand bank replaces SAS server with R Server

• R Markdown for the Enterprise

• Building a machine learning model with the MicrosoftML package

Tutorials

• Support Vector Machines Simplified using R

• Principal Component Analysis in R

• Create Parquet Files From R Data Frames With sergeant & Apache Drill (a.k.a. Make Parquet Files Great Again in R)

• Doing magic and analyzing seasonal time series with GAM (Generalized Additive Model) in R

• Image Compression with Principal Component Analysis

• Upgrading to macOS Sierra (nee OSX) for R users

• Finding antipodes using the globe and ggmap packages

• Extracting and Enriching Ocean Biogeographic Information System (OBIS) Data with R

• Modelling extremes using generalized additive models

• A Glimpse into The Daily Life of a Data Scientist

• “smooth” package for R. es() function. Part IV. Model selection and combination of forecasts

• Descriptive Analysis of MLST Data for MRSA

• Euler Problem 9 : Special Pythagorean Triple

• How to do an analysis in R (part 2, visualization and analysis)

• How to use viridis colors with plotly and leaflet?

• French villages and a sort of resolution

• Creating a “balloon plot” as alternative to a heat map with ggplot2

• Where Cohen went wrong – the proportion of overlap between two normal distributions

• Trumpworld Analysis : Ownership Relations in his Business Network

• Speed Up Your Code Part 2: Parallel Processing Financial Data with multidplyr + tidyquant

• Implementation of a basic reproducible data analysis workflow

• Visualizing “The Best” - The Best is often the wrong question. We’re really just trying to find The Better.

• A Recipe for Automatically Going From Data to Text to Reveal.js Slides

• Easily explore a table with shinycsv

Videos and Podcasts

• DataChats: An interview with Mine Çetinkaya-Rundel

• The R-Podcast Episode 20: More interviews from rstudio::conf with Javier Luraschi and Garrett Grolemund

Resources

• CRAN now has 10,000 R packages. Here’s how to find the ones you need.

• R Cheat Sheet and Guide for Graphical Parameters

• Five online R courses in Statistics.com that are starting this week (and a discount code for them)

• Upcoming R Conferences

• Free guide to text mining with R

New Packages and Tools

• ggbash - A Simpler ggplot2 Syntax, saving half of your typing.

• orangetext - 🍊📄 : An #rstats project to keep track of The 🍊 One’s speeches

• benchmarkme - Crowd sourced benchmarking

• liteq - Lightweight Portable Message Queue Using ‘SQLite’.

• fst - Lightning Fast Serialization of Data Frames

New Releases

• digest 0.6.12 - hash digests of arbitrary R objects

• intrval 0.1-1 - The package simplifies interval related logical operations in R.

• xml2 1.1.1 - xml2 makes it easy to read, create, and modify XML with R.

• sparklyr 0.5 - R Interface to Apache Spark

• rmarkdown-metropolis - Updated Example Repo for RMarkdown and Metropolis/Mtheme

• RcmdrPlugin.KMggplot 2_0.2-4 - R Commander Plug-in for Data Visualization with ‘ggplot2’

• tidyquant 0.3.0: ggplot2 Enhancements, Real-Time Data, and More

R Project Updates

Updates from R Core:

• If a reference class has a validity method, validObject will be called automatically from the default initialization method for reference classes.

• xtabs() works more consistently with NAs, also in its result no longer setting them to 0. Further, a new logical option addNA allows to count NAs where appropriate.

• dev.capture() using Quartz Cocoa device (macOS) returned invalid components if the back-end chose to use ARGB instead of RGBA image format.

• Header Rconfig.h no longer defines SUPPORT_OPENMP; instead use _OPENMP (as documented for a long time).

Call for Participation

• EARL 2017: Abstract submissions open for San Francisco and London + San Francisco dates and venue announced

• satRday Cape Town 2017: Data Visualisation Challenge announced

Upcoming Events

• SatRday #2 Conference - Cape Town, South Africa 18 Feb, 2017
  The R community and some of South Africa’s most forward thinking companies have come together to bring satRday to Cape Town.

• useR! 2017 July 4, 2017
  The annual useR! conference is the main meeting of the international R user and developer community.

Quotes of the Week

Big congratulations to @gbwanderson whose new package 'hurricaneexposure' just became package 10,000 on CRAN !! https://t.co/34uum2GixY

— Dirk Eddelbuettel (@eddelbuettel) January 28, 2017