Apartment price trends
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Creative Commons License
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.

UPDATE 7.3.2016

The service was update with apartment price data from year 2015, and the predictions are now given for year 2017. The repository was updated so that all original scripts and data were moved to folders ending in _2015, and new scripts and data are in folders enging in _2016.


Apartment price trends across Finland, on the level of zip codes, based on open data from Tilastokeskus. See the interactive visualisation Kannattaakokauppa and related blog posts at Reaktor, rOpenGov, and Louhos.

Discussion on Hacker News.

Also news coverage at HS, Tivi and Helsingin Uutiset.

Data sources

Apartment price data for the postal codes is from Statistics Finland open data API (see Terms of Use). Postal code region names, municipalities and population data is from Statistics Finland Paavo - Open data by postal code area. Postal code area map is from Duukkis and licensed under CC BY 4.0.

The data sets are accessed with the [pxweb and gisfin package from rOpenGov. See the script source/get_data.R for details.

Source code

See the source_2016-folder for latest source code.

Statistical model

See description in English in rOpenGov-blog and in Finnish in Louhos-blog.