Miia Huomo Nordic Forum for Geography and Statistics, 31 May 2017 Applications for selecting and composing the Grid- and postal code data Miia Huomo Nordic Forum for Geography and Statistics, 31 May 2017

Grid database and Paavo – Open data by postal code area –service Free of charge service of postal code information Contains database and map materials Is located in Statistics Finlands website Before Paavo there was ”Finland CD” product, information by postal codes Paavo was a response to the demand for open data Has improved Statistics Finlands image as an open data offerer Has not promoted ordering a data of postal code information though Grid database 250 m, 1 km and 5 km grids Subject to charge Many buyers, good money for Statitics Finland Most of the orders are for 250 m grids Customers will receive a username, password and a link for the data Long history from the end of the 1990’s, predecessor was ”Theme CD” 31 May 2017 Miia Huomo

Data content Both have the same data contents Population structure Educational structure Inhabitants’ disposable monetary income Size and stage in life of households Households’ disposable monetary income Buildings and housing Workplace structure Main type of activity 31 May 2017 Miia Huomo

31 May 2017 Miia Huomo

Applications for selecting and composing the data Two web applications: composing and selecting the data SAS Stored Process Web Application (composing the data) Web interface made by Javascript (selecting the data) Uses OpenLayers Data exist in SQL server SAS-based application picks and combines data from Sql Selected data goes to Stored process web application, data use through here or WinSCP Picked selection will be published in Geoserver as web map service (WMS and WFS) 31 May 2017 Miia Huomo

Composing the data SAS applicatioin in the Internet SAS Stored Process Web Application SAS applicatioin in the Internet Grid database composing –folder Updating the database, updates the newest information Running distribution, shows how much each unit in each data group should be Running tabulation Comparing data to last years data, encryption ok etc. If everything is ok, updating Variable editor (includes all SF’s variables and reports connected to those) Composing databases Running necessary reports from Variable editor (data contents etc.) Before this application updating the Grid database was a tough job WinSCP 31 May 2017 Miia Huomo

Application for selecting data Customers can easily select the newest postal code data from the Internet, but they are intrested in data of previous years as well Postal code data in free the Internet since 2015 Older years in application for selecting data Older years are subject to charge Sometimes customers don’t want to order the whole Grid database, but part of it Certain data groups, variables or regions Application for selecting data Doesn’t have an official name, we call it as ”Ruponen” Meant only for internal use in Statistics Finland, experts select the data for customers Customers don’t have the access to the application Data can be saved as Shapefile or Excel 31 May 2017 Miia Huomo

How does the Application for selecting data look like? Instructions Postal codes Grids Log in Data groups or variables Year and size of the grid Regions Search the data Show on the map and save 31 May 2017 Miia Huomo

Buyers and users The buyers of Grid database are mostly private sectors enterprises, but there are also buyers from the governmental and communal sector No exact information of Paavo’s users, because it’s open data and SF don’t have a list of the buyers or users, but along Google it has been used for example: Stories in the magazines, e.g. Comparing the income of different regions Map center’s Blog (thematic map of Paavo’s data) Wikipedia source (population) In Real estate and housing website Paavo’s data was used for telling about facts of residental areas Address for keeping a bus line in a region Paavo has been reduced critism why SF doesn’t open Grid data It has not reduced anyway Grid database orders However, satisfies well the need for open small region information 31 May 2017 Miia Huomo