xkcd pokes fun at correlation and causation again. Funny every time.
Cell phones and cancer
Life expectancy changes
The data goes back to 1960 and up to the most current estimates for 2009. Each line represents a country.
Divorce and Occupation
Some jobs tend towards higher divorce rates. Some towards lower. Salary also probably plays a role.
Visualizing the Uncertainty in Data
Data is an abstraction, and it’s impossible to encapsulate everything it represents in real life. So there is uncertainty. Here are ways to visualize the uncertainty.