Passport data completeness index (PDCI)

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The passport data completeness index (PDCI) uses the presence or absence of data points in the documentation of a genebank accession, taking into account the presence or value of other data points. For example, a wild accession should have a well-defined collection site but no variety name. Any type of accession, wild, landrace, breeding material or modern variety, can attain a maximal score of ten for this index.

Theo van Hintum, Frank Menting and Elisabeth van Strien (2011). Quality indicators for passport data in ex situ genebanks. Plant Genetic Resources, 9, pp 478-485. doi:10.1017/S1479262111000682