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Rhyddhawyd ar: 13 January 2016
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Gwybodaeth gorfforaethol
Quality indicators, imputation rates and One Number Census quality assurance information for each local authority in England and Wales.
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Rhyddhawyd ar: 07 June 2024
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Methodoleg
Quality and Methodology Information (QMI) report for country and regional public sector finances, detailing the strengths and limitations of the data, methods used, and data uses and users.
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Rhyddhawyd ar: 13 January 2016
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Gwybodaeth gorfforaethol
95% confidence intervals for the 2001 Census result.
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Rhyddhawyd ar: 16 May 2025
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Methodoleg
Quality and Methodology Information for the Opinions and Lifestyle Survey (OPN), including strengths and limitations, recent improvements and quality characteristics.
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Rhyddhawyd ar: 13 January 2016
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Gwybodaeth gorfforaethol
Household and person response rates.
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Rhyddhawyd ar: 15 December 2022
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Methodoleg
Matching Census 2021 to the Census Coverage Survey (CCS) using deterministic, probabilistic, associative, machine learning and clerical methods.
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Rhyddhawyd ar: 17 June 2025
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Gwybodaeth gorfforaethol
Information about Census 2021: General Report for England and Wales and links to download the report in full.
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Rhyddhawyd ar: 30 April 2025
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Methodoleg
Quality and methods information for the UK health accounts.
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Rhyddhawyd ar: 13 January 2016
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Gwybodaeth gorfforaethol
Imputation rates for key variables for local authorities and wards.
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Rhyddhawyd ar: 11 May 2020
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Methodoleg
Explains how to compare and understand the three measures of productivity produced by the ONS, especially public service productivity, with details on inputs, output and coverage.