Use predict.tree() with type="class" on the object returned by tree(). Then use that to construct a cross tabulation against the original data. If you provide a reproducible example with data, I could be more specific.
------------------------------------- David L Carlson Department of Anthropology Texas A&M University College Station, TX 77840-4352 -----Original Message----- From: R-help [mailto:r-help-boun...@r-project.org] On Behalf Of jpara3 Sent: Wednesday, August 19, 2015 4:09 AM To: r-help@r-project.org Subject: [R] Confussion matrix in tree clasiffication Hi there! I want to create a confussion matrix after using the tree package to create a clasiffication tree, but I´m not sure of how to create this matrix. Can anyone please help me? Thanks Jesús ----- Guided Tours Basque Country Guided tours in the three capitals of the Basque Country: Bilbao, Vitoria-Gasteiz and San Sebastian, as well as in their provinces. Available languages. Travel planners for groups and design of tourist routes across the Basque Country. -- View this message in context: http://r.789695.n4.nabble.com/Confussion-matrix-in-tree-clasiffication-tp4711269.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
