{ "_id": "6a1e94fd1d7bb097a0a6b7a3", "Package": "ppgm", "Type": "Package", "Title": "PaleoPhyloGeographic Modeling of Climate Niches and Species\nDistributions", "Version": "1.1", "Authors@R": "c(person(\"A. Michelle\",\"Lawing\", role = c(\"aut\",\"cph\"), email = \"alawing@tamu.edu\"), person(\"Alexandra\", \"Howard\", role = c(\"aut\",\"cre\"), email = \"alexandra.howard@ag.tamu.edu\"), person(\"Maria-Aleja\", \"Hurtado-Materon\", role = \"aut\"))", "Description": "Reconstruction of paleoclimate niches using phylogenetic\ncomparative methods and projection reconstructed niches onto\npaleoclimate maps. The user can specify various models of trait\nevolution or estimate the best fit model, include fossils, use\none or multiple phylogenies for inference, and make animations\nof shifting suitable habitat through time. This model was first\nused in Lawing and Polly (2011), and further implemented in\nLawing et al (2016) and Rivera et al (2020). Lawing and Polly\n(2011) \"Pleistocene climate,\nphylogeny and climate envelope models: An integrative approach\nto better understand species' response to climate change\"\nLawing et al (2016) \"Including fossils in\nphylogenetic climate reconstructions: A deep time perspective\non the climatic niche evolution and diversification of spiny\nlizards (Sceloporus)\" Rivera et al (2020)\n \"Reconstructing historical shifts in\nsuitable habitat of Sceloporus lineages using phylogenetic\nniche modelling.\".", "License": "GPL (>= 3)", "Encoding": "UTF-8", "LazyData": "true", "LazyDataCompression": "xz", "RoxygenNote": "7.3.2", "Config/testthat/edition": "3", "Config/testthat/parallel": "true", "VignetteBuilder": "knitr", "NeedsCompilation": "no", "Packaged": { "Date": "2026-06-02 08:27:24 UTC", "User": "root" }, "Author": "A. 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