Evaluate the collective function of references cited together in a given text segment.
Classify their combined role into one of the following categories: 'method', 'background', or 'result'.

Text:…neighbor matrices, PCNM) as predictors in our analyses as these are suggested to produce inflated R2-statistics apparently due to over-fitting (i.e. selection of too many axes,
which may overemphasise the spatial component in the data) even when forward selection is used (Gilbert & Bennett, 2010).
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