R scripts associated with review of New Zealand's pre-deforestation fossil pollen datasets – Appendix B.

R scripts labelled as follows:

(0) loading packages, custom functions and base plots, and cleaning data layers used in following analyses.

(1) cleaning systematic search results using rev tools

(2) extracting, summarising, and plotting general site characteristics

(3) extracting, summarising, and plotting site landcover (remaining and potential vegetation)

(4) summarising age-controls and temporal groupings

(5) summarising, and plotting data availability