July 2010

Make R speak SQL with sqldf

July 5, 2010 | C

The R community is unique as programming communities go.  Many users of R come from academia and have a relatively extensive mathematical background.  The R community has developed in relative isolation from some other areas of programming th...
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Get up and running with R, Sweave, and LaTex

July 2, 2010 | --

There are a lot of great references on the web on how to levarage LaTeX for reporting and presentations (beamer), but as someone who is completely new to R and reproducible research, I was having a pretty hard time figuring out simply what to do (what tools, where do you ... [Read more...]

Visualization of regression coefficients (in R)

July 2, 2010 | Tal Galili

Update (07.07.10): The function in this post has a more mature version in the “arm” package. See at the end of this post for more details. * * * * Imagine you want to give a presentation or report of your latest findings running some sort of regression analysis. How would you do it? This ... [Read more...]

The case of the missing zeroes

July 2, 2010 | David Smith

Political polling is a big industry these days, especially here in the US, and both mainstream news outlets and many of the bigger political blogs commission their own polls to measure (for example) the popularity of a sitting or candidate politician or policy. In the last week though, a very ... [Read more...]

Creating a Presentation with LaTeX Beamer – Getting Started

July 2, 2010 | Ralph

The LaTeX beamer package can be used to create appealing presentations for many applications. A working knowledge of LaTeX is required but once the initial learning curve and transition is made from a visual word processor to a markup based approach the benefits are worth the initial investment of time. ... [Read more...]

An experiment in A/B Testing my Résumé

July 1, 2010 | Paul Butler

Objective I’ll admit it: my résumé doesn’t stand out. I’ve had some great internships, but also a tendency to work for companies that aren’t (yet!) household names. And though I’m doing fine academically, it’s not well enough to stand out … Continue reading → [Read more...]

Maps without map packages

July 1, 2010 | dan

LATITUDE + LONGITUDE + OVERPLOTTING FIX = MAPS Decision Science News is always learning stuff from colleague, physicist, mathlete, and all-around computer whiz Jake Hofman. Today, it was a quick and clean way to make nice maps in R without using any map packages: just plot the latitude and longitude of your data ... [Read more...]

UseR! 2010 registration extended until July 4

July 1, 2010 | David Smith

Registration for the worldwide R user conference, useR! 2010, closed on June 20. But it seems like a few folks weren't aware of the early deadline, and missed out on registering. Never fear! Due to overwhelming demand, registration has re-opened until midnight on July 4. You'll need to hurry -- there are only 30 ... [Read more...]

Can you spot the Error?

July 1, 2010 | martin

Peter Huber referred to “the rawness of raw data”, a kind of data we would not expect to find in a textbook. The book of Fahrmeir and Tutz on multivariate modelling refers to the visual impairment data from Liang et al., 1992 in table 3.12: Nothing wrong here at first sight; but ... [Read more...]
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