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Evidence item

The Nature study describes an independent stratified validation sample ending at 10,975 points and design-based European estimation. DATASET_RESULT

Authenticity UNVERIFIED · extraction UNVERIFIED · independence group none (unreviewed) · created seq 23350

Source: Highly fragmented European wetlands with uneven restoration needs · locator {} · excerpt hash sha256:8e1d19115053bc3917e8a83b454e53e00fccf936db72b9cf1640230af21c08f0

Exact excerpt
We constructed a validation set drawn independently of the training data and not used in model fitting using stratified random sampling with disproportionate allocation... giving Nval = 10,975 sample points. At the European scale, wetland area and map accuracy were estimated directly from the independent continental validation sample Nval = 10,975 using design-based stratified estimation.

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