pastclim: Manipulate Time Series of Palaeoclimate Reconstructions

Methods to easily extract and manipulate palaeoclimate reconstructions for ecological and anthropological analyses, as described in Leonardi et al. (2022) <<a href="https://doi.org/10.1101%2F2022.05.18.492456">doi:10.1101/2022.05.18.492456</a>>.