<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The study investigates the variation in population ageing in Polish provinces in 2002, 2010 and 2017. Population ageing was assessed using the median age, proportion of elderly people, double ageing index, ageing index, and old-age dependency ratio. The authors took into account causes that explain changes occurring at the bottom and at the top of the population pyramid. By applying the hybrid approach combining multidimensional scaling with linear ordering (the two-step approach), the authors identified differences in the level of population ageing in a two-dimensional space. The paper applies a new method of automatic data collection from the Local Data Bank using the BDL package and the API interface (Application Programming Interface). The BDL API is a data-sharing service through webservice defining programming interfaces independent of the programming language, whereas the bdl package using this API enables webservice integration with the R statistical environment, eliminating the need for manual data extraction and enabling the automation of recurring activities.</p></abstract>

The study investigates the variation in population ageing in Polish provinces in 2002, 2010 and 2017. Population ageing was assessed using the median age, proportion of elderly people, double ageing index, ageing index, and old-age dependency ratio. The authors took into account causes that explain changes occurring at the bottom and at the top of the population pyramid. By applying the hybrid approach combining multidimensional scaling with linear ordering (the two-step approach), the authors identified differences in the level of population ageing in a two-dimensional space. The paper applies a new method of automatic data collection from the Local Data Bank using the BDL package and the API interface (Application Programming Interface). The BDL API is a data-sharing service through webservice defining programming interfaces independent of the programming language, whereas the bdl package using this API enables webservice integration with the R statistical environment, eliminating the need for manual data extraction and enabling the automation of recurring activities.

Assessment of Changes in Population Ageing of Polish Provinces in 2002, 2010 and 2017 Using the Hybrid Approach

Wroclaw University of Economics and Business

Poznan University of Economics and Business

Econometrics

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The study investigates the variation in population ageing in Polish provinces in 2002, 2010 and 2017. Population ageing was assessed using the median age,...

Assessment of Changes in Population Ageing of Polish Provinces in 2002, 2010 and 2017 Using the Hybrid Approach

Published Online: Feb 20, 2020

Page range: 1 - 15

DOI: https://doi.org/10.15611/eada.2019.4.01

Keywords
ageing, multidimensional scaling, aggregate measures, R program

© 2019 Marek Walesiak et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Assessment of Changes in Population Ageing of Polish Provinces in 2002, 2010 and 2017 Using the Hybrid Approach

Published Online: Feb 20, 2020

Page range: 1 - 15

DOI: https://doi.org/10.15611/eada.2019.4.01

Keywordsageing, multidimensional scaling, aggregate measures, R program

© 2019 Marek Walesiak et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
ageing, multidimensional scaling, aggregate measures, R program