My students in Data Mining (ISC 420) know about doing this kind of text analysis! Last semester we analyzed lots of lyrics and did sentiment mining on them too.
For students: How to take a screenshot
Choose your OS at the top, and there are easy instructions for taking a screenshot! Brilliant.
The thing that would make this list better is an example for each, and a citation from the literature about WHY.
If you are like me, you need data sets all the time for teaching and practicing on.
Here is a fantastic Reddit collection of data sets, most of which I’d never seen before. Happy mining!
Yup, the WTF Visualizations tumblr is exactly what it sounds like: a collection of visualizations that make you say WTF.
The Guardian has an interesting article out right now about universities collecting and using data on students to improve retention, etc.
By plotting library usage against academic achievement they discovered that students who did not use the library were more than seven times more likely to drop out of their degree than those who did.
Lots of interesting ethical issues here. Hopefully we will be able to discuss this sort of practice in my Predictive Analytics (Data Mining) class this Fall (ISC 420).
…or at least being clear about the start of your Y-axis. (From the Indianapolis Star, via FlowingData.)