November 2014

Interview with SERATRON – Lego EV3 robot driven by R

November 30, 2014 | smarterpoland

Next meeting of Warsaw R Enthusiasts (SER = Spotkania Entuzjastów R) will take place on December 8. We are going to start with Roger Bivand talk about spatial statitics (R Foundation / NHH, author of many R packages). The second talk, by Bartosz Meglicki (IPI PAN), will introduce the SERATRON – fusion of ... [Read more...]

FOMC Dates – Scraping Data From Web Pages

November 30, 2014 | Peter Chan

Before we can do some quant analysis, we need to get some relevant data - and the web is a good place to start. Sometimes the data can be downloaded in a standard format like .csv files or available via an API e.g. http://www.quandl.com but often ... [Read more...]

Storing Forecasts in a Database

November 29, 2014 | ivannp

In my last post I mentioned that I started using RSQLite to store computed results. No rocket science here, but my feeling is that this might be useful to others, hence, this post. This can be done using any database, but I will use (R)SQLite as an illustration. Let’... [Read more...]

RcppArmadillo 0.4.550.1.0

November 29, 2014 | Thinking inside the box

A week ago, Conrad provided another minor release 4.550.0 of Armadillo which has since received one minor correction in 4.550.1.0. As before, I had created a GitHub-only pre-release of his pre-release which was tested against the almost one hundred CRAN dependents of our RcppArmadillo package. This passed fine as usual, and results ... [Read more...]

Some R Highlights from H20 World

November 28, 2014 | Joseph Rickert

by Joseph Rickert H2O.ai held its first H2O World conference over two days at the Computer History Museum in Mountain View, CA. Although the main purpose of the conference was to promote the company's rich set of Java based machne learning algorithms and announce their new products ... [Read more...]

Instagram a Termoli (CB)

November 28, 2014 | Salvino A. Salvaggio

div__Salvino A. Salvaggio, PhDSe Facebook, WhatsApp, Viber, Twitter e SnapChat —per citarne solo alcuni— fanno integralmente parte della vita quotidiana di giovani e meno giovani, non sono gli unici social networks sul mercato. Instagram, per esempio, e' stato adottato in massa perché consente di condividere facilmente su Internet foto ... [Read more...]

Le Monde puzzle [#887quater]

November 27, 2014 | xi'an

And yet another resolution of this combinatorics Le Monde mathematical puzzle: that puzzle puzzled many more people than usual! This solution is by Marco F, using a travelling salesman representation and existing TSP software. N is a golden number if the sequence {1,2,…,N} can be reordered so that the sum ...
[Read more...]

Mango Movember

November 27, 2014 | Mango Solutions Shop

This month the Mango Movember team have done a fantastic job of growing the most impressive moustaches. All cash raised is for research and awareness of, prostate cancer, testicular cancer and mental health problems. You can sponsor them using the following link: … Continue reading → [Read more...]

Eggnog for Thanksgiving

November 27, 2014 | David Smith

It's Thanksgiving Day here in the US, so we're taking the day off to spend some time with our families and to eat far too much food. If you're in the US or celebrating Thanksgiving elsewhere, enjoy the day! And for everyone in this season of joy, here's a handy ... [Read more...]

New Australian data on the HMD

November 26, 2014 | Rob J Hyndman

The Human Mortality Database is a wonderful resource for anyone interested in demographic data. It is a carefully curated collection of high quality deaths and population data from 37 countries, all in a consistent format with consistent definitions. I have used it many times and never cease to be amazed at ... [Read more...]

How About a “Snowdoop” Package?

November 26, 2014 | matloff

Along with all the hoopla on Big Data in recent years came a lot of hype on Hadoop.  This eventually spread to the R world, with sophisticated packages being developed such as rmr to run on top of Hadoop. Hadoop made it convenient to process data in very large distributed ... [Read more...]
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