Estadísticas de la UE. CDE Universitat de València

CoverPower from statistics: data, information and knowledge — Outlook report

The ‘Power from Statistics’ initiative, jointly organised by Eurostat and the European Political Strategy Centre, aims to determine which topics will be relevant to decision makers and citizens in the future and how official statistics could best deliver information about them.

As a first step, five thematic Round Table events were organised. Gathering expert participants from various stakeholder groups, the Round Tables covered trends in migration, globalisation, new economic and business models, sustainable development as well as statistics, science and society.

The Round Table participants wrote altogether 28 articles. They contain their personal reflections and ideas on the future of European statistics. Together, the articles form the ‘Power from Statistics Outlook Report’. [+]

CoverAn overview of methods for treating selectivity in big data sources
The official statistics community is now seriously considering big data as a significant data source for producing statistics. It holds the potential for providing faster, cheaper, more detailed and completely new types of statistics. However, the use of big data also brings several challenges. One of them is the non-probabilistic character of most sources of big data, as very often, they were not designed to produce statistics. The resulting selectivity bias is therefore a major concern when using big data. This paper presents a statistical approach to big data, searching for a definition meaningful from the statistical point of view and identifying their main statistical characteristics. It then argues that big data sources share many characteristics with Internet opt-in panel surveys and proposes this as a reference to address selectivity and coverage problems in big data. Coverage and the self-selection process are briefly discussed in mobile network data, Twitter, Google Trends and Wikipedia page views data. An overview of methods which can be used to address selectivity and eliminate, or mitigate, bias is then presented, covering both methods applied at individual level, i.e. at the level of the statistical unit, and at domain level, i.e. at the level of the produced statistics. Finally, the applicability of the methods to the several big data sources is briefly discussed and a framework for adjusting selectivity in big data is proposed. [+]

CoverA decomposition of the unadjusted gender pay gap using Structure of Earnings Survey data

This publication provides information on the data source, the methodology and statistical software used by Eurostat to decompose the unadjusted gender pay gap, and the results of this decomposition. The unadjusted gender pay gap combines possible differences in pay between men and women, for ‘equal work or work of equal value’, with the impact of differences in the average characteristics of men and women in the labour market. To measure the impact of differences in the average characteristics of men and women, Eurostat has used microdata from the Structure of Earnings Survey 2014. A statistical method known as the Blinder-Oaxaca decomposition method was applied on this dataset to isolate the contribution of each observed characteristic to the unadjusted gender pay gap. Eurostat’s methodology and results should help data users and policy makers to better interpret the unadjusted gender pay gap. [+]

 

CoverEuropean statistics Code of Practice — revised edition 2017

The European Statistics Code of Practice was first adopted by the Statistical Programme Committee (SPC) in 2005. The Code was revised by the European Statistical System Committee (ESSC) in 2011 and 2017; the ESSC endorsed the latter revision on 16 November 2017. The revised Code has 16 principles concerning the institutional environment, statistical processes and statistical outputs. The Code aims to ensure that statistics produced within the European Statistical System (ESS) are relevant, timely and accurate, and that they comply with the principles of professional independence, impartiality and objectivity. A set of indicators of best practices and standards for each principle provides guidance and a reference for reviewing the implementation of the Code. We are currently working on the other language versions and they will become available shortly. [+]

CoverHandbook on Seasonal Adjustment

Seasonal variation is one of the key factors, if not the key factor, that can impact the analysis of times series. In order to derive a meaningful analysis of the data under consideration, this seasonality has to be taken into account and adjusted for. The purpose of this handbook is to take stock of the existing techniques for seasonal adjustment and to propose amendments to the conventionally used methods. [+]

CoverMethodologies used in road freight transport in Member States, EFTA and Candidate countries — Revised — 2017 edition

The present document describes the methods used by Member States, candidate and EFTA countries in their surveys on road freight transport statistics. Part I describes national methodologies for data collection. This information is based on questionnaires completed by the reporting countries. Data in these questionnaires refer to the first quarter of 2016. Part II includes summary tables, with the basic information on sampling, response rate, register quality and precision of results of the surveys. Data on the registers used to draw the sample and the sampling methodology are relevant for the surveys conducted in the first quarter of 2016, while the main characteristics given for each country refer to the years 2014 and 2015, according to data availability. ‘Methodologies used in surveys of road freight transport in Member States, EFTA and Candidate Countries’ is published in English only. [+]

CoverMonitoring EU crime policies using the International Classification of Crime for Statistical Purposes (ICCS)

Eurostat countries are dealing with different legal concepts and traditions, different criminal justice systems and laws as well as different definitions, methodologies, and instruments to collect crime data. All these differences limit the comparability of crime statistics across Europe. Implementing a common classification of offences such as the International Classification of Crime for Statistical Purposes (ICCS) will strengthen the comparability and consistency of crime and criminal justice data and improve analytical capabilities at national, European, and international levels. Implementation steps already undertaken by Eurostat include using ICCS categories in the joint UNODC/Eurostat data collection and publishing data on criminal offences according to ICCS categories. The next goal is for Eurostat countries to implement the ICCS in the production of crime statistics on national level. [+]

CoverEuropean Health Interview Survey (EHIS wave 3) — Methodological manual

Public health policies need reliable data on health status, health care use and health determinants from population surveys for all EU and EEA member states. The European Health Interview Survey (EHIS) is the instrument to collect such information. The corresponding methodological manual aims ensuring a high level of comparability of the survey results across countries.

The first wave of EHIS was conducted under a gentlemen’s agreement in 17 EU Member States between 2006 and 2009. The second wave of EHIS was conducted as a mandatory survey in all 28 EU Member States, Iceland and Norway between 2013 and 2015. The third wave of EHIS is planned for 2019, based on the Commission Implementing Regulation (EU) No. 2018/255 of 19 February 2018. This manual should serve as the handbook for more detailed planning and implementing EHIS wave 3 in EU and EEA member states. Conducting the survey according to the rules and recommendations described in these guidelines is crucial for ensuring harmonized and high quality data on health across Europe. [+]

CoverCompilers guide on European statistics on international trade in goods by enterprise characteristics (TEC)

The main objective of this Compilers Guide is to provide a comprehensive overview of the compilation of indicators on trade in goods by enterprise characteristics (TEC). It aims to serve as a methodological handbook providing the necessary definitions, instructions and methodological guidance for the regular compilation of TEC statistics. [+]

CoverMethodologies used in surveys of road freight transport in Member States, EFTA and Candidate countries - 2017 edition

The present document describes the methods used by Member States, candidate and EFTA countries in their surveys on road freight transport statistics. Part I describes national methodologies for data collection. This information is based on questionnaires completed by the reporting countries. Data in these questionnaires refer to the first quarter of 2016. Part II includes summary tables, with the basic information on sampling, response rate, register quality and precision of results of the surveys. Data on the registers used to draw the sample and the sampling methodology are relevant for the surveys conducted in the first quarter of 2016, while the main characteristics given for each country refer to the years 2015 and 2016, according to data availability. ‘Methodologies used in surveys of road freight transport in Member States, EFTA and Candidate Countries’ is published in English only. [+]

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