我有一个距离矩阵叫做
mydist
。我想把矩阵的下三角提取出来,变成列值的成对组合。例如:sampleA sampleB values
S05-F13-P01_C S05-F13-P01_C 2251
S08-F10-P01_C S08-F10-P01_C 2246
. . so on
Data
mydist<-structure(c("2251", "1923", "2085", "1954", "2105", "0", "2246",
"2094", "1955", "2127", "0", "0", "2521", "2110", "2329", "0",
"0", "0", "2276", "2141", "0", "0", "0", "0", "2561"), .Dim = c(5L,
5L), .Dimnames = list(c("S05-F13-P01_C", "S08-F10-P01_C", "S08-F11-P01_C",
"S09-F66-P01_C", "S09-F67-P01_C"), c("S05-F13-P01_C", "S08-F10-P01_C",
"S08-F11-P01_C", "S09-F66-P01_C", "S09-F67-P01_C")))
as.dist
能用吗? - Richard Telford