My time as a grad student will soon draw to a close. With this comes the terrifying realisation that I'm going to start applying for jobs and, hopefully, interviewing soon, forever leaving my comfortable security blanket of academia. With that horrible thought in mind, I've been doing some poking around to see what various kinds of technical interviews are...
I saw the release of a new version of twitteR package a few weeks back and thought I should be testing the code I wrote some time ago but also do something interesting at the same time. Thus I came up with the idea of checking out how Presidents are do...
Introduction First day back to work after New Year celebrations and my brain doesn’t really want to think too much. So I went out for lunch and had a nice walk in the park. Still had 15 minutes to kill before my lunch break was over and so decided to kill some time with a quick web 
Here is a little example of what I do. While learning R isn't easy, it can be very powerful and efficient once you get your feet wet. I intend for this example to whet your appetite. This should take you less than 20 minutes. By the end, you will...
A famous finance professor once told us that good diversification meant holding everything in the world. Fine, but in what proportion? Suppose you could invest in every country in the world. How much would you invest in each? In a market-capitalization weighted index, you'd invest in each country in proportion to the market value of its investments (its "market capitalization")....
So the Weecology folks have published a large dataset on mammal communities in a data paper in Ecology. I know nothing about mammal communities, but that doesn't mean one can't play with the data...Their dataset consists of five csv files: &...
This blog has lasted a whole year already. Thanks for reading and commenting. There are a couple of announcements:Less blogging: I hope to put in many more years blogging here, but in full disclosure, I am blogging for Journal of Ecology no...
Following on from my previous post about US Federal Reserve inflation forecast errors, I decided to put together a descriptive graph to see if there might be a partisan bias to these forecast erros. Also, given all of the work in the political eco...
UPDATE: code and figure updated at 1150 am CST.The site I WORK FOR THE INTERNET is collecting pictures and first names (last name initials only) to show collective support against SOPA (the Stop Online Piracy Act). Please stop by their site and a...
The important criterion for a graph is not simply how fast we can see a result; rather it is whether through the use of the graph we can see something that would have been harder to see otherwise or that could not have been seen at all. – William Cleveland, The Elements of Graphing Data, Related posts:
Zero Inflated Models and Generalized Linear Mixed Models with R.
Zuur, Saveliev, Ieno (2012).
