Accuracy and reliability

Overall accuracy

The quality of the results are considered as good within the framework of the sample strategy. The accuracy of the collected qualitative information on trade, IPR-strategy etc. is, based on general experience, considered good.

Sampling error

The showed uncertainty are based on the compiled Percentage of enterprises with trades in IPR 2014

Calculated on the Fields of resource the shares and respective confidence intervals (95 pct.) +/- are:

• All 3,3 +/- 0,6
• Food 2,8 +/- 1,1
• Furniture/clothes 6,0 +/- 3,7
• Tourism 0,1 (uncertainty can not be compiled)
• Building/housing 2,5 +/- 1,3
• ICT 4,6 +/- 1,6
• Transport 1,4 +/- 1,0
• Energy/environment 2,7 +/- 0,7
• Medico/health 5,0 +/- 0,7
• Other 4,7 +/- 1,8

The uncertainty is mainly due to low selection rate among smaller enterprises.

Further estimates for detailed levels of publication are available from our website under R&D and innovation/Patents

Subject

Non-sampling error

Very high response rate (over 95 pct.) therefore the non response have negligible influence on the results. The uncertainty linked to measuring are assessed as low.

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 accuracy of the qualitative information on trade, IPR-strategy etc. is considered good, based on general experience in Statistics Denmark. The IP-rights traded is in some cases based on an estimate from the respondent, and therefore there are some uncertainty connected with the raised figures.

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

Only final statistics are published therefore no needs for revisions.