Quality and revisions documents - IOP | Northern Ireland Statistics and Research Agency

Index of Production (IOP) quality reports and latest revisions policy (March 2016).

Documents

IOP Seasonal Adjustment Impact Review - July 2023
PDF (4 MB)

IOP Seasonal Adjustment Impact Review - June 2022
PDF (2 MB)

IOP Rebasing Notice - Quarter 3 2021
PDF (162 KB)

IOP Seasonal Adjustment Impact Review, June 2021
PDF (2.2 MB)

IOP Rebasing Notice - Quarter 3 2020
PDF (171 KB)

IOS and IOP Data Revisions - June 2019
PDF (620 KB)

IOP quality report - updated May 2016
PDF (52 KB)

IOP revisions policy March 2016
PDF (38 KB)

IOP quality report (April 2012)
PDF (119 KB)

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