Oireachtas Joint and Select Committees

Thursday, 11 April 2019

Public Accounts Committee

2017 Annual Report of the Comptroller and Auditor General and Appropriation Accounts
Vote 4 - Central Statistics Office

9:00 am

Mr. Pádraig Dalton:

On the islands, let me refer to the ability to give a breakdown. If one is producing data from a sample survey, one cannot drill down. As the Deputy knows from the labour force survey, we cannot produce statistics below regional level because, as one drills down through a sample, the coefficient of variation or sampling error becomes a factor. In other words, the quality deteriorates. One cannot always produce data for small areas. What we are doing about this is increasingly using administrative data to allow us to produce more refined statistical outputs.

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