October 2016

Q&A time

October 23, 2016 | Rob J Hyndman

Someone sent me some questions by email, and I decided to answer some of them here. How important is it that I know and understand the underlying mathematical framework to forecasting methods? I understand conceptually how most of them work, but I feel as if I may benefit from truly ... [Read more...]

Introduction To R Programming : How I Learn Best

October 22, 2016 | Kevin

How Best To Learn R Programming So what’s the best or most efficient way to learn R programming? I have read numerous books and blogs on R programming in an attempt to learn more about R. While doing this has helped me understand the basics, these resources tend to ... [Read more...]

Better Confidence Intervals for Quantiles

October 22, 2016 | Theory meets practice...

\[ \newcommand{\bm}[1]{\boldsymbol{\mathbf{#1}}} \DeclareMathOperator*{\argmin}{arg\,min} \DeclareMathOperator*{\argmax}{arg\,max} \] Abstract We discuss the computation of confidence intervals for the median or any other quantile in R. In particular we are interested in the interpolated order statistic approach suggested by Hettmansperger and Sheather (1986) and Nyblom (1992). In order to ... [Read more...]

A quick look at RStudio’s R notebooks

October 22, 2016 | John Mount

A quick demo of RStudio’s R Notebooks shown by John Mount (of Win-Vector LLC, a statistics, data science, and algorithms consulting and training firm). (see http://rmarkdown.rstudio.com/r_notebooks.html and https://www.rstudio.com/products/rstudio/download/preview/ ) [Read more...]

RcppArmadillo 0.7.500.0.0

October 22, 2016 | Thinking inside the box

A few days ago, Conrad released Armadillo 7.500.0. The corresponding RcppArmadillo release 0.7.500.0.0 is now on CRAN (and will get into Debian shortly). Armadillo is a powerful and expressive C++ template library for linear algebra aiming towards a... [Read more...]

Tourism forecasting competition data as an R package

October 22, 2016 | Rob J Hyndman

The data used in the tourism forecasting competition, discussed in Athanasopoulos et al (2011), have been made available in the Tcomp package for R. The objects are of the same format as for Mcomp package containing data from the M1 and M3 competitions. Thanks to Peter Ellis for putting the package ... [Read more...]

Election 2016: Tracking Emotions with R and Python

October 21, 2016 | David Smith

Temperament has been a key issue in the 2016 presidential election between Hillary Clinton and Donald Trump, and an issue highlighted in the series of three debates that concluded this week. Quantifying "temperament" isn't an easy task, but The Economist used the Microsoft Emotion API to chart the anger, contempt, sadness ... [Read more...]

Data science for executives and managers

October 21, 2016 | John Mount

Nina Zumel recently announced upcoming speaking appearances. I want to promote the upcoming sessions at ODSC West 2016 (11:15am-1:00pm on Friday November 4th, or 3:00pm-4:30pm on Saturday November 5th) and invite executives, managers, and other data science consumers to attend. We assume most of the Win-Vector blog audience is ... [Read more...]

August Package Picks

October 21, 2016 | Joseph Rickert

.fusion-fullwidth-1 { padding-left: px !important; padding-right: px !important; }by Joseph Rickert 141 new packages landed on CRAN in August. The following are my picks f... [Read more...]

Slack all the things!

October 21, 2016 | Steph

OK, if you haven’t heard of it before Slack is kinda like IRC, kinda like Dropbox, kinda like a lot of things – it’s a neat place to bring together communications between your team or community, and the integrations allow you to pipe in external feeds like twitter activity ...
[Read more...]

Warsaw R-Ladies

October 21, 2016 | Marcin Kosiński

First Warsaw R-Ladies Workshops were held yesterday! Over 100 R-Ladies have registered for the event! In this post I present notes from this meeting and provide some pictures of the beauty part of R. You can also learn a bit about the gender gap in th... [Read more...]
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