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We moved them to The National Archives website, to keep this website as responsive as possible.
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From 2026, we intend to introduce grocery scanner data into our consumer price statistics. This methodology article gives an overview of the data and methods we will use.
Quality assurance of the administrative data used in the monthly production of the Price Index of Private Rents.
Quality assurance (QA) assessment of all data sources used in the production of the Consumer Price Index including owner occupiers' housing costs (CPIH), to include the used cars data acquired from the “Autotrader Group".
Explanation of how measures of consumer price inflation and associated indices are compiled.
Quality and Methodology Information (QMI) report for the Producer Price Index, detailing the strengths and limitations of the data, methods used, and data uses and users.
We are applying data cleaning techniques to grocery scanner data to remove out-of-scope observations and errors when calculating our consumer price indices. Our strategy also identifies dump prices and their effects on the grocery indices.
Quality and Methodology Information for the Household Costs Indices for UK household groups.
Exploration of the theory behind date trimming and its implementation in the calculation of consumer price statistics in the UK, using new data sources for grocery products.
Explaining the different types of deflators and how we calculate them, as well as their importance for creating economic estimates, such as gross domestic product (GDP).
