Here's a figure of the data before and after modeling, tells a lot: http://louhos.github.io/figs/2015-05-07-asuntohintojen-muuto...
Data and source code are indeed open, see here: https://github.com/reaktor/Neliohinnat
Here's a figure of the data before and after modeling, tells a lot: http://louhos.github.io/figs/2015-05-07-asuntohintojen-muuto...
Data and source code are indeed open, see here: https://github.com/reaktor/Neliohinnat