How can I evaluate the quality of the different data sets in PEARL?
Our policy is to add data to PEARL only if these data appear to be of reputable quality and if they are supported by metadata (information about how the data were collected, field sampling protocols, analytical methodologies, etc.). Nevertheless, PEARL data sets are not uniform. They come from studies with different designs, different questions that were addressed and different levels of “sophistication”. The metadata contain the key information that is needed to be able to fully interpret the data themselves. Click on the “About the Data” button at the top of each data table. For additional information, you should always consult the data provider and/or the reference(s) indicated in the metadata.
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