search for: gen_matrix

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2012 Mar 14
2
Using the mantel test in Ape Package
...stringsAsFactors = FALSE, na.strings = c(" "), fill = T, header = FALSE, blank.lines.skip = FALSE) Gen_matrix <- as.matrix(Gen_dists) mantel.test(Geo_matrix, Gen_matrix, nperm = 999, graph = T, alternative = "great") I am getting a result but with lots of warning messages : "Warning: non-square matrix" However, my matrices are square! Has anyone else had this problem? Many thank...