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  • Discover secure research data

    Rhyddhawyd ar: 7 August 2026 | Gwybodaeth gorfforaethol

    The Secure Research Service (SRS) Metadata Catalogue is an interactive way for you to discover what data are available for research in the SRS.

  • Predicting total weekly death occurrences in England and Wales methodology

    Rhyddhawyd ar: 29 May 2020 | Methodoleg

    Outlining a way in which we can estimate the total number of deaths that occurred within the latest week in England and Wales.

  • Impact of imputation changes in employment statistics from Pay As You Earn Real Time Information methodology

    Rhyddhawyd ar: 4 March 2024 | Methodoleg

    An assessment of changes to the way missing data is modelled in monthly estimates of employees from Pay As You Earn (PAYE) Real Time Information (RTI) data.

  • Understanding how we collect and use data at the Office for National Statistics (ONS)

    Rhyddhawyd ar: 29 June 2023 | Gwybodaeth gorfforaethol

    Find out more about our plans for transforming the way we collect and process data, and research into the public’s views on data.

  • Improving estimates of repeat victimisation derived from the Crime Survey for England and Wales

    Rhyddhawyd ar: 19 October 2017 | Methodoleg

    A note outlining some decisions that have been made in relation to implementing changes to the way we estimate repeat victimisation from the Crime Survey for England and Wales.

  • SOC2010 volume 1: structure and descriptions of unit groups

    Rhyddhawyd ar: 8 March 2016 | Gwybodaeth gorfforaethol

    The SOC2010 manual is being published to enable operational users in both research/statistical and client-oriented applications to use SOC in as consistent a way as possible; and to enable users of SOC-based occupational statistics to understand the classificatory principles and coding practices according to which those statistics are produced.

  • Users and uses of consumer price inflation statistics: October 2016

    Rhyddhawyd ar: 28 October 2016 | Methodoleg

    This article contains information about the users and uses of consumer price inflation statistics and user experiences of these statistics. In addition, it provides information on the characteristics of the different measures of consumer price inflation in relation to potential use, which may vary depending on the population of interest to the users and the way the indices are compiled. The last section covers the history of the indices. Users can use this information to help inform their own decision making in regards to which index is most suitable for their particular purpose.

  • Assessing the Impact of methodological improvements on the Consumer Prices Index

    Rhyddhawyd ar: 18 October 2016 | Methodoleg

    This paper sets out the impact of implementing two improvements in the Consumer Prices Index (CPI; the headline measure of inflation in the UK), CPI including owner-occupiers’ housing costs (CPIH), and their supplementary indices. These changes will not be applied to the Retail Prices Index (RPI). They are planned for March 2017. The first change is designed to improve the way that chain-linking is conducted, and is the result of an independent report on the double chain link; the second is the implementation of an additional level of detail (level 5, or ECOICOP) in the Classification Of Individual Consumption by Purpose (COICOP) structure. As the CPI is identical to the Harmonised Index of Consumer Prices (HICP), these improvements will also help us to better meet EU regulations.