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Issue 2
Hello and welcome to the new issue of R Weekly!
R Community Updates
News & Blog Posts
Tutorials
-
Principal Components Regression, Pt. 3: Picking the Number of Components
-
Visualizing Bootrapped Stepwise Regression in R using Plotly
-
Introduction to R in IBM SPSS Modeler: A guide for SPSS Users
-
A Complete Tutorial on Tree Based Modeling from Scratch (in R & Python)
-
Bootstrap and cross-validation for evaluating modelling strategies
R in the Real World
-
Understanding beta binomial regression (using baseball statistics)
-
How to use data analysis for machine learning (example, part 1)
-
Track your local R scheduled tasks with CommandCenter2000!!!
-
Actual coverage of confidence intervals for standard deviation
-
50 Years of Pop Music - From Boogie to Bitch: Text Mining 50 Years of Pop Music Lyrics.
-
Junctional Traffic - Modern day traffic junction analysis.
-
Salaries of Presidential Primary Voters by Candidate and State
R in Academia
-
How Many Researchers? - How many scientists, or more specifically how many principal investigators, does NIH fund? And how many scientists (more specifically aspiring principal investigators) want to receive NIH funding?
-
R – the ultimate virus - Ross Ihaka on how a simple programming language he helped develop to assist students went global.
Videos & Podcasts
New Releases
- methylKit release 0.9.6 - A package for DNA methylation analysis with bisulfite-seq data.
New Packages & Tools
- heatmaply on CRAN - Interactive Heat Maps for R Using plotly.
-
mscsweblm4r on CRAN - An R package for Microsoft Cognitive Services language APIs
-
vembedr on CRAN - Help you embed (YouTube/Vimeo) video into R Markdown + Shiny.
-
pkgcopier on CRAN - A pkg helps you easily copy R packages from one computer to another.
R Project Updates
Updates from R Core.
-
(Windows only) Tcl/Tk version 8.6.4 is now included in the binary builds. The
tcltk*.chm
help file is no longer included; please use URL: http://www.tcl.tk/man/ instead. -
Illegal factors, e.g., with duplicated levels (illegal but constructable) now give a warning when printed, via new
.valid.factor
. -
str(<looooooooong_string>)
is no longer very slow; inspired by Mikko Korpela’s proposal in PR#16527. -
After seven years of deprecation, duplicated factor levels now produce an error in
levels<-
instead of a warning, and a warning when printed. -
New option
rstandard(<lm>, type = "predicted")
provides the “PRESS”-related leave-one-out cross-validation errors for linear models. -
addNA()
is faster now, e.g., when applied twice PR#16895.
Call for Participation
- Evolution of the R native interface - Working group on the future of #rstats ’s native APIs.
Upcoming Events
- 2016 useR! Stanford - The R User Conference 2016
June 27 - June 30
The schedule for #user2016 is now live: http://schedule.user2016.org
Jobs
No jobs listed for this week.
Quote of the Week
R changed my opinion of humanity to some extent, to see how people are really willing to freely give of themselves and produce something larger than themselves without any thought of personal glory.
An NA is the presence of an absence. Don’t forget that some missing values are the absence of a presence #rstats