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R Weekly 2017 Issue 4
Highlight
Tutorials
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Regression model with auto correlated errors – Part 3, some astrology
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Two meanings of priors, part II: Quantifying uncertainty about model parameters
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R For Beginners: Basic Graphics Code to Produce Informative Graphs, Part Two, Working With Big Data
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Feature Selection in Machine Learning (Breast Cancer Datasets)
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How to really do an analysis in R (part 1, data manipulation)
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Beginners Exercise: Bayesian Computation with Stan and Farmer Jöns
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Regression model with auto correlated errors – Part 2, the models
Insights
R in the Real World
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Workout Wednesday Redux (2017 Week 3) - This week’s workout is a challenge to reproduce or improve upon a chart by Matt Stiles.
R in Organization
Videos and Podcasts
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NSSD 31: The Word You’re Looking for is Magical - Hilary and Roger go on a podcast bender and discuss how they record the podcast, missing data methods, rstudio::conf, Uber Movement, diagnosis with prediction models, and Alexa/Siri.
Resources
New Packages and Tools
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prepdat - Preparing Experimental Data for Statistical Analysis
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ggedit - a GUI for advanced editing of ggplot2 objects
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VisualResume - Visual Resumes with R
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The Genetic Map Comparator - A user-friendly application to display and compare genetic maps
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padr - Quickly Get Datetime Data Ready for Analysis
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taskviewr - R Packages and Licenses by Task View
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CatterPlots - Did you ever wish you could make scatter plots with cat shaped points? Now you can!
- karyoploteR - Plot data along the genome ideograms
New Releases
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Rcpp 0.12.9 - Seamless R and C++ Integration
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Choroplethr 3.5.3 - choroplethr simplifies the creation of choropleths (thematic maps) in R
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RProtoBuf 0.4.8 - Windows support for proto3
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WEC 0.4 - an R package to apply ‘weighted effect coding’ to your dummy variables.
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rtweet 0.4 - Collecting Twitter data
Jobs
R Project Updates
Updates from R Core:
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bw.SJ()
anddensity(*, bw="SJ")
no longer fail because of integer overflow for large sample size n (starting from n as small as 65536). -
download.file(method="libcurl")
does not check for URL existence before attempting downloads; this is more robust to servers that do not support HEAD or range-based retrieval, but may create empty or incomplete files for aborted download requests. -
Bandwidth selectors
bw.ucv()
andbw.SJ()
gave incorrect answers or incorrectly reported an error (because of integer overflow) for inputs longer than 46341. Similarly forb2.bcv()
at length 5793. Another possible integer overflow is checked and may result in a reported error (rather than an incorrect result) for much longer inputs (millions for a smooth distribution).
Call for Participation
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Call to join Forwards - the R Foundation taskforce on women and other under-represented groups.
Upcoming Events
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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
p-value:chance someone else's data are more extreme than mine if H0 true, not the chance H0 is true given MY data https://t.co/HhfF9fwKLf
— Frank Harrell (@f2harrell) January 20, 2017
cleaning data? why not write your script for knitr::spin() so your coauthors can follow your journey #rstats pic.twitter.com/sH6NP74HxG
— Andrew MacDonald (@polesasunder) January 19, 2017