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/economy/economicoutputandproductivity/output/methodologies/amethodologicalnoteonleapyearadjustments

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A methodological note on leap year adjustments

Release date:
29 February 2016

About this article

This note explains how leap years might affect ONS time series and the methods used to adjust for them as part of seasonal adjustment.

Time Series Analysis Branch
tsab@ons.gov.uk
Telephone: +44 (0)1633 455620

All content is available under the Open Government Licence v3.0, except where otherwise stated