…but Forest Hill does…
http://www.thehappyforecast.com/SE23/forecast/
And so does Penge…
http://www.thehappyforecast.com/SE20/
But nowhere near as much as SE19!…
http://www.thehappyforecast.com/SE19/
…apparently.

It should be possible to do an analysis of variation on the calculations behind this to see the relative importance of these three input data sets. I'd also be interested to know how much the automated tweets from this Forum contribute to the Sentiment140 data for SE26.We’ve also used the Zoopla API to pull in average house prices by area and, Sentiment140 for the live Twitter analysis — thank you.