Monthly Archives: June 2014

Introducing pkgKitten: Creating R Packages that purr

June 13, 2014
By

A new package pkgKitten is now on CRAN in its infant version 0.1.0. It does only one thing: create R packages that do not suck. Or at least not as much as those created by the (R default) function package.skeleton() which creates files which the v...

Read more »

Can You Track Me Now? (Visualizing Xfinity Wi-Fi Hotspot Coverage) [Part 2]

June 13, 2014
By
Can You Track Me Now? (Visualizing Xfinity Wi-Fi Hotspot Coverage) [Part 2]

This is the second of a two-part series. Part 1 set up the story and goes into how to discover, digest & reformat the necessary data. This concluding segment will show how to perform some basic visualizations and then how to build beautiful & informative density maps from the data and offer some suggestions as to how to...

Read more »

Proficiency levels @ PISA and visualisation challenge @ useR!2014

June 13, 2014
By
Proficiency levels @ PISA  and visualisation challenge @ useR!2014

16 days to go for submissions in the DataVis contest at useR!2014 (see contest webpage). The contest is focused on PISA data and students’ skills. The main variables that reflect pupil skills in math / reading / science are plausible values e.g. columns PV1MATH, PV1READ, PV1SCIE in the dataset. But, these values are normalized to

Read more »

Brazil’s Host Advantage

June 13, 2014
By
Brazil’s Host Advantage

If history can tell us anything about the World Cup, it’s that the host nation has an advantage of all other teams. Evidence of this was presented last night as the referee in the Brazil-Croatia match unjustly ruled in Brazil’s favour on several occasions. But what it is the statistical evidence of a host advantage?

Read more »

Making publicly available data publicly accessible: Belgium’s Hospital Minimal Data

June 13, 2014
By
Making publicly available data publicly accessible: Belgium’s Hospital Minimal Data

In current times data is everywhere. The big challenge however is making it not only available, but also accessible to those who need it. An example of this is the Hospital Minimal Data (Belgium). This dataset is openly published by the Federal Public Service for Health, Food Chain Safety & Environment. From a perspective of The post

Read more »

trying to speed up Metropolis… and failing!

June 12, 2014
By
trying to speed up Metropolis… and failing!

A while ago (but still after Iceland since I used the thorn rune as a math symbol!), I wrote the following post draft as a memo. Now that Marco Banterle, Clara Grazian and myself have completed our delayed acceptance paper, it may be of interest to some readers to see how a first attempt proved

Read more »

Five Hard-Won Lessons Using Hive

June 12, 2014
By

I’ve been spending a ton of time lately on the data engineering side of ‘data science’, so I’ve been writing a lot of Hive queries. Hive is a great tool for querying large amounts of data, without having to know very much about the underpinnings of Hadoop. Unfortunately, there are a lot of things about Five Hard-Won...

Read more »

R User Groups June 2014

June 12, 2014
By
R User Groups June 2014

by Joseph Rickert useR! 2014 is just about two weeks away, and I am very much looking forward to meeting R users from around the world. This is just a great time to catch up with old friends, hopefully make some new friends, and talk about R and R user groups. The number of R user groups continues to...

Read more »

Prediction model for the FIFA World Cup 2014

June 12, 2014
By
Prediction model for the FIFA World Cup 2014

Like a last minute goal, so to speak, Andreas Groll and Gunther Schauberger of Ludwig-Maximilians-University Munich announced their predictions for the FIFA World Cup 2014 in Brazil - just hours before the opening game. Andreas Groll, with his successful prediction of the European Championship 2012 already experienced in this field, and Gunther Schauberger did set out to predict the 2014 world cup champion based on statistical...

Read more »

The Gilbreath’s Conjecture

June 12, 2014
By
The Gilbreath’s Conjecture

317 is a prime, not because we think so, or because our minds are shaped in one way rather than another, but because it is so, because mathematical reality is built that way (G.H. Hardy) In 1958, the mathematician and magician Norman L. Gilbreath presented a disconcerting hypothesis conceived in the back of a napkin. Gilbreath

Read more »

Sponsors

Mango solutions



plotly webpage

dominolab webpage



Zero Inflated Models and Generalized Linear Mixed Models with R

Quantide: statistical consulting and training

datasociety

http://www.eoda.de





ODSC

ODSC

CRC R books series





Six Sigma Online Training









Contact us if you wish to help support R-bloggers, and place your banner here.

Never miss an update!
Subscribe to R-bloggers to receive
e-mails with the latest R posts.
(You will not see this message again.)

Click here to close (This popup will not appear again)