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Support for spam matrices is\ncurrently limited and will be implemented in the future. See\nRue and Martino (2007) and\nZammit-Mangion and Rougier (2018)\n for the application of these\nequations to statistics.", "License": "GPL (>= 2.1)", "NeedsCompilation": "yes", "RoxygenNote": "7.3.2", "Packaged": { "Date": "2026-07-22 20:13:49 UTC", "User": "root" }, "Author": "Andrew Zammit-Mangion [aut, cre], Timothy Davis [ctb], Patrick\nAmestoy [ctb], Iain Duff [ctb], John K. 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