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Accuracy and reliability

Contact info

Science, technology and culture
Pétur Sólnes Jónsson
+45 3917 3056

psj@dst.dk

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Book Production

The source of the statistics is Danish book list, will receive books and other material from publishers though the Legal Deposit law. This means that Danish books printed abroad, where the publisher does not send the books to Danish book list or to legal deposit are not included in the statistics. There exist no calculation of the extent of this omission.

Overall accuracy

There is a register-based inventory based on deliveries from DBC.

Sampling error

Not relevant for these statistics.

Non-sampling error

The source of the statistics is Danish book list, will receive books and other material from publishers though the Legal Deposit law. The Legal Deposit law means that the publishers have on obligation to deliver two copies of each work (book, magazine, newspaper, CD, video, etc.) produced in Denmark to the Royal Library or the State Library. This means that Danish books printed abroad, where the publisher does not send the books to Danish book list or to legal deposit are not included in the statistics.

Quality management

Statistics Denmark follows the recommendations on organisation and management of quality given in the Code of Practice for European Statistics (CoP) and the implementation guidelines given in the Quality Assurance Framework of the European Statistical System (QAF). A Working Group on Quality and a central quality assurance function have been established to continuously carry through control of products and processes.

Quality assurance

Statistics Denmark follows the principles in the Code of Practice for European Statistics (CoP) and uses the Quality Assurance Framework of the European Statistical System (QAF) for the implementation of the principles. This involves continuous decentralized and central control of products and processes based on documentation following international standards. The central quality assurance function reports to the Working Group on Quality. Reports include suggestions for improvement that are assessed, decided and subsequently implemented.

Quality assessment

The source of the statistics is Danish book list, will receive books and other material from publishers though the Legal Deposit law. The Legal Deposit law means that the publishers have on obligation to deliver two copies of each work (book, magazine, newspaper, CD, video, etc.) produced in Denmark to the Royal Library or the State Library. This means that Danish books printed abroad, where the publisher does not send the books to Danish book list or to legal deposit are not included in the statistics.

Data revision - policy

Statistics Denmark revises published figures in accordance with the Revision Policy for Statistics Denmark. The common procedures and principles of the Revision Policy are for some statistics supplemented by a specific revision practice.

Data revision practice

DBC records all releases for the current year and 5 years back for commercial releases. Therefore, the statistics figures from DBC for a given census year also contains records for previous years.