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Welcome to the statsART blog where we highlight recent research, mainly work that has been discussed in the media.
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Thursday, 8 July 2010

Once again, correlation does not imply causation...

An interesting piece of research has been reported on by the BBC today.

The research looked at the relationship between inactivity and obesity. Most previous research has either assumed or shown the inactivity leads to obesity.

In contrast, this new research suggests that the direction of the relationship is the other way around - obesity leads to inactivity.

This is a nice example of the "correlation does not imply causation" mantra and presents a nice chicken and egg situation.

The original study can be found here.

Wednesday, 7 July 2010

How big is big?

Another great article on the BBC website by Michael Blastland in the Go Figure series.

In this feature he talk about how was assess how "big" a number is.