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− | Some important things to know:
| + | Data quality at Open Food Facts is guided by '''3 main principles''': |
| * Quality does not make sense for itself: quality depends on usages. | | * Quality does not make sense for itself: quality depends on usages. |
− | * No database at all can pretend to zero-default. | + | * We always try to favor ease of use and ease of collection. Data quality control, data verification and data fix should never be an obstacle to data gathering. |
− | * With more than 2 700 000 products, there are quality concerns: our goal is to lower the impacts of the issues.
| + | * No database at all can pretend to be zero-defect. With more than 2,900,000 products, there are quality concerns. Data quality is done on a "best effort" basis. The effort on data quality includes measuring quality, setting objectives, publishing them and implementing them. |
| + | These principles and our high level objectives are described in the following short document, which you should read at first if you want to go further: |
| | | |
− | == Data quality principles at Open Food Facts ==
| + | https://link.openfoodfacts.org/data-quality |
− | [summary + link]
| |
| | | |
− | == How do we manage data quality? == | + | == Measures == |
| + | We have started an initiative to measure and publish continuously some data quality stats. We have created a specific page dedicated to [[data quality stats]]. |
| | | |
| == How to help? == | | == How to help? == |
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| === Data quality measurement === | | === Data quality measurement === |
− | We have started an initiative to measure and publish continuously some data quality stats. We have created a specific page dedicated to [[data quality stats]].
| + | See [[data quality stats]]. |
| | | |
| === Quality facets === | | === Quality facets === |
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| === Power User Script === | | === Power User Script === |
| [https://github.com/openfoodfacts/power-user-script Power User Script] is a user script for your browser, to empower Open Food Facts contribution. It offers many enhancements for contributors, and many features dedicated to data quality. | | [https://github.com/openfoodfacts/power-user-script Power User Script] is a user script for your browser, to empower Open Food Facts contribution. It offers many enhancements for contributors, and many features dedicated to data quality. |
| + | |
| + | === Where do the errors come from? === |
| + | Thanks to Mirabelle tool, we have created the list of contributors errors' count: https://mirabelle.openfoodfacts.org/_memory/errors_from |
| + | |
| + | We can monitor this list from time to time, to prevent some bad data from apps or users. |
| | | |
| == Reference / documentation == | | == Reference / documentation == |