Comparability
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Science, Technology and Culture, Business StatisticsChristian Max Gustaf Törnfelt
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The statistics are not directly comparable to other published book sales statistics. There are no international guidelines for the production of book sales statistics.
Comparability - geographical
There are no international guidelines for the production of book sales statistics.
Comparability over time
The statistics are new from 2024 and contain data from the third quarter of 2022. The statistics are comparable throughout the entire period, but from August 2024 the data basis has been expanded with data from additional retailers, which has increased book sales by approximately 3 percent.
Coherence - cross domain
There is no direct correlation with other statistics.
Coherence - internal
The data are based on transaction data from major Danish bookstores, bookstore chains and large supermarket chains. The data from bookstores and supermarkets are considered consistent across data sources. The metadata from DBK and Publizon are also considered comparable, as both sources contain the relevant information used to compile the statistics.