Twenty years of Opinion poll data in Wales from 1999 to 2019.

A swingometer which can be used to turn predictions of the percentage of votes won at an Assembly election into estimates of seats won

An interactive tool to keep track of the Assembly twitosffer.

An interactive map of Wales's councillors and some interactive plots of their ward characteristics.

Have Cardiff Blues started throwing away games in the last few minutes?

An examination of how AMs are using twitter with a network plot of AMs tweets to each other.