[R] Revolutions blog: September 2014 roundup

[David Smith]

Revolution Analytics staff and guests write about R every weekday at
the Revolutions blog:
 http://blog.revolutionanalytics.com
and every month I post a summary of articles from the previous month
of particular interest to readers of r-help.

In case you missed them, here are some articles related to R from the
month of September:

Norm Matloff argues that T-tests shouldn't be part of the Statistics
curriculum and questions the "star system" for p-values in R:
http://bit.ly/1rX82HF

A nice video introduction to the dplyr package and the %>% operator,
presented by Kevin Markham: http://bit.ly/1rX8566

An animation of police militarization in the US, created with R and
open data published by the New York Times: http://bit.ly/1rX8564

An overview of the miscellaneous R functions in the DescTools package:
http://bit.ly/1rX82HH

Some guidance from Will Stanton on becoming a "data hacker" using R
and Hadoop: http://bit.ly/1rX8565

A tutorial on publishing ggplot2 graphics to the web with plotly:
http://bit.ly/1rX82HG

A Shiny app that implements the Travelling Salesman problem and
animates the simulating annealing algorithm behind the solution:
http://bit.ly/1rX8569

R code for comparing performance of machine learning models:
http://bit.ly/1rX85D6

Presentations at DataWeek on applications of R at companies:
http://bit.ly/1rX82HI

Announcing new members for the R Foundation and the R Core team:
http://bit.ly/1rX8568

A graduate student uses R to look at the popularity of posts on
Reddit: http://bit.ly/1rX82HJ

Google introduces the CausalImpact package for R, and uses it to
evaluate performance of marketing campaigns: http://bit.ly/1rX8567

A review of several recent and upcoming conferences that include
R-related tracks: http://bit.ly/1rX856a

More presentations and video interview from the useR! 2014 conference,
from DataScience.LA: http://bit.ly/1rX85D9

A detailed Rcpp example based on the Collatz Conjecture: http://bit.ly/1rX85D7

Use Rmarkdown to create documents combining text, mathematics, and R
graphical and tabular output: http://bit.ly/1rX856b

A very early example of data analysis: Nile floods in 450 BC
http://bit.ly/1rX85D8

The Rockefeller Institute of Government uses R to simulate the
finances of public sector pension funds: http://bit.ly/1rX856e

General interest stories (not related to R) in the past month
included: ET for the Atari 2600 (http://bit.ly/1rX856c), Talk Like a
Pirate day photos (http://bit.ly/1rX856f), a parody lifestyle magazine
for data scientists (http://bit.ly/1rX85Db) and the spread of the Ice
Bucket Challenge (http://bit.ly/1rX85Da).

Meeting times for local R user groups
(http://blog.revolutionanalytics.com/local-r-groups.html) can be found
on the updated R Community Calendar at:
http://blog.revolutionanalytics.com/calendar.html

If you're looking for more articles about R, you can find summaries
from previous months at http://blog.revolutionanalytics.com/roundups/.
You can receive daily blog posts via email using services like
blogtrottr.com, or join the Revolution Analytics mailing list at
http://revolutionanalytics.com/newsletter to be alerted to new
articles on a monthly basis.

As always, thanks for the comments and please keep sending suggestions
to me at david at revolutionanalytics.com or via Twitter (I'm
@revodavid).

Cheers,
# David

-- 
David M Smith <david at revolutionanalytics.com>
Chief Community Officer, Revolution Analytics
http://blog.revolutionanalytics.com
Tel: +1 (650) 646-9523 (Chicago IL, USA)
Twitter: @revodavid

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