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Rhyddhawyd ar: 28 January 2025
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Methodoleg
Information on the data, methods and assumption setting process used to produce the 2022-based national population projections.
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Rhyddhawyd ar: 18 February 2026
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Gwybodaeth gorfforaethol
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Rhyddhawyd ar: 12 January 2022
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Methodoleg
Information on the data, methods and assumption setting process used to produce the 2020-based interim national population projections.
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Rhyddhawyd ar: 17 April 2026
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Methodoleg
Quality and Methodology Information for statistics on research and development (R&D) expenditure by the UK government, detailing how the data are compiled, methods used, and data uses and users.
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Rhyddhawyd ar: 18 January 2016
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Gwybodaeth gorfforaethol
A census is a count of people and households, and is used to set policies and estimate resources required to provide services for the population.
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Rhyddhawyd ar: 18 November 2019
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Methodoleg
A proposal for a short social capital indicator set informed using principal component analysis – methodology article.
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Rhyddhawyd ar: 13 January 2016
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Gwybodaeth gorfforaethol
Information on the amalgamation of areas that fell below the threshold values set to prevent accidental disclosure of personal information.
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Rhyddhawyd ar: 08 October 2025
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Gwybodaeth gorfforaethol
A draft set of guidelines for the use of observers in qualitative research, created by collaboration between various national statistical institutes.
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Rhyddhawyd ar: 18 January 2016
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Gwybodaeth gorfforaethol
A set of tables from the 2011 Census in England & Wales provided to draw comparison with data against each variable in the teaching file.
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Rhyddhawyd ar: 13 January 2025
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Gwybodaeth gorfforaethol
A tool and set of products used by the Office for National Statistics to safely link data together so that we can do more useful analysis.
