-## phymltest.R (2005-11-10)
+## phymltest.R (2009-03-29)
-## Fits a Bunch of Models with PHYML
+## Fits a Bunch of Models with PhyML
-## Copyright 2004-2005 Emmanuel Paradis
+## Copyright 2004-2009 Emmanuel Paradis
## This file is part of the R-package `ape'.
## See the file ../COPYING for licensing issues.
-.phymltest.model <- c("JC69", "JC69+I", "JC69+G", "JC69+I+G",
- "K80", "K80+I", "K80+G", "K80+I+G",
- "F81", "F81+I", "F81+G", "F81+I+G",
- "F84", "F84+I", "F84+G", "F84+I+G",
- "HKY85", "HKY85+I", "HKY85+G", "HKY85+I+G",
- "TN93", "TN93+I", "TN93+G", "TN93+I+G",
- "GTR", "GTR+I", "GTR+G", "GTR+I+G")
+.phymltest.model <-
+ c("JC69", "JC69+I", "JC69+G", "JC69+I+G",
+ "K80", "K80+I", "K80+G", "K80+I+G",
+ "F81", "F81+I", "F81+G", "F81+I+G",
+ "F84", "F84+I", "F84+G", "F84+I+G",
+ "HKY85", "HKY85+I", "HKY85+G", "HKY85+I+G",
+ "TN93", "TN93+I", "TN93+G", "TN93+I+G",
+ "GTR", "GTR+I", "GTR+G", "GTR+I+G")
-.phymltest.nfp <- c(1, 2, 2, 3, 2, 3, 3, 4, 4, 5, 5, 6, 5, 6, 6, 7,
- 5, 6, 6, 7, 6, 7, 7, 8, 9, 10, 10, 11)
+.phymltest.nfp <-
+ c(1, 2, 2, 3, 2, 3, 3, 4, 4, 5, 5, 6, 5, 6, 6, 7,
+ 5, 6, 6, 7, 6, 7, 7, 8, 9, 10, 10, 11)
phymltest <- function(seqfile, format = "interleaved", itree = NULL,
- exclude = NULL, execname, path2exec = NULL)
+ exclude = NULL, execname = NULL, append = TRUE)
{
- windoz <- .Platform$OS.type == "windows"
- if (missing(execname)) {
- if (windoz) execname <- "phyml_w32"
- else stop("you must give an executable file name for PHYML")
+ os <- Sys.info()[1]
+ ## default names of PhyML:
+ if (is.null(execname)) {
+ if (os == "Linux") execname <- "phyml_3.0.1_linux32"
+ if (os == "Darwin") execname <- "phyml_3.0.1_macintel"
+ if (os == "Windows") execname <- "phyml_3.0.1_win32"
}
- outfile <- paste(seqfile, "_phyml_stat.txt", sep = "")
- inp <- seqfile
- if (file.exists(outfile)) inp <- c(inp, "A")
- if (file.exists(paste(seqfile, "_phyml_tree.txt", sep = "")))
- inp <- c(inp, "A")
- if (format != "interleaved") inp <- c(inp, "I")
- if (!is.null(itree)) inp <- c(inp, "U", itree)
+ if (is.null(execname))
+ stop("you must give an executable file name for PHYML")
N <- length(.phymltest.model)
- input.model <- list(c(rep("M", 5), "Y"),
- c(rep("M", 5), "V", rep("Y", 2)),
- c(rep("M", 5), "R", "A", rep("Y", 2)),
- c(rep("M", 5), "R", "A", "Y", "V", rep("Y", 2)),
- c(rep("M", 6), "T", rep("Y", 2)),
- c(rep("M", 6), "T", "Y", "V", rep("Y", 2)),
- c(rep("M", 6), "T", "Y", "R", "A", rep("Y", 2)),
- c(rep("M", 6), "T", "Y", "R", "A", "Y", "V", rep("Y", 2)),
- c(rep("M", 7), "Y"),
- c(rep("M", 7), "V", rep("Y", 2)),
- c(rep("M", 7), "R", "A", rep("Y", 2)),
- c(rep("M", 7), "V", "Y", "R", "A", rep("Y", 2)),
- c("M", "T", rep("Y", 2)),
- c("M", "T", "Y", "V", rep("Y", 2)),
- c("M", "T", "Y", "R", "A", rep("Y", 2)),
- c("M", "T", "Y", "V", "Y", "R", "A", rep("Y", 2)),
- c("T", rep("Y", 2)),
- c("T", "Y", "V", rep("Y", 2)),
- c("T", "Y", "R", "A", rep("Y", 2)),
- c("T", "Y", "V", "Y", "R", "A", rep("Y", 2)),
- c(rep("M", 2), "T", rep("Y", 2)),
- c(rep("M", 2), "T", "Y", "V", rep("Y", 2)),
- c(rep("M", 2), "T", "Y", "R", "A", rep("Y", 2)),
- c(rep("M", 2), "T", "Y", "R", "A", "Y", "V", rep("Y", 2)),
- c(rep("M", 3), "Y"),
- c(rep("M", 3), "V", rep("Y", 2)),
- c(rep("M", 3), "R", "A", rep("Y", 2)),
- c(rep("M", 3), "V", "Y", "R", "A", rep("Y", 2)))
- loglik <- numeric(N)
- names(input.model) <- names(loglik) <- .phymltest.model
- if (is.null(path2exec)) exec <- execname
- else exec <- paste(path2exec, execname, sep = "/")
- imod <- if (is.null(exclude)) 1:N else (1:N)[!.phymltest.model %in% exclude]
- for (i in imod) {
- if (i == 2) {
- if (length(inp) == 1) inp <- c(inp, rep("A", 2))
- else if (inp[2] != "A") inp <- c(inp[1], rep("A", 2), inp[2:length(inp)])
- }
- if (windoz) system(exec, input = c(inp, input.model[[i]]))
- else {
- cat(c(inp, input.model[[i]]), file = "f", sep = "\n")
- system(paste(exec, "f", sep = " < "))
- }
- loglik[i] <- scan(paste(seqfile, "_phyml_lk.txt", sep = ""), quiet = TRUE)
+ format <- match.arg(format, c("interleaved", "sequential"))
+ fmt <- rep("", N)
+ if (format != "interleaved") fmt[] <- "-q"
+ boot <- rep("-b 0", N) # to avoid any testing
+ mdl <- paste("-m", rep(c("JC69", "K80", "F81", "HKY85", "F84", "TN93", "GTR"), each = 4))
+ tstv <- rep("-t e", N) # ignored by PhyML with JC69 or F81
+ inv <- rep(c("", "-v e"), length.out = N)
+ ## no need to use the -c option of PhyML (4 categories by default if '-a e' is set):
+ alpha <- rep(rep(c("-c 1", "-a e"), each = 2), length.out = N)
+ tree <- rep("", N)
+ if (!is.null(itree)) tree[] <- paste("-u ", itree)
+
+ cmd <- paste(execname, "-i", seqfile, fmt, boot, mdl, tstv, inv, alpha, tree, "--append ")
+ outfile <- paste(seqfile, "_phyml_stats.txt", sep = "")
+ if (!append) {
+ unlink(outfile)
+ unlink(paste(seqfile, "_phyml_tree.txt", sep = ""))
}
- unlink("f")
- loglik <- loglik[imod]
+ imod <- 1:N
+ if (!is.null(exclude)) imod <- imod[!.phymltest.model %in% exclude]
+
+ for (i in imod) system(cmd[i])
+
+ l <- readLines(outfile)
+ l <- grep("Log-likelihood:", l, value = TRUE)
+ ## in case there were already some results in the output file:
+ if (dd <- length(l) - length(imod)) l <- l[-(1:dd)]
+ loglik <- as.numeric(sub(". Log-likelihood:", "", l))
+ names(loglik) <- .phymltest.model[imod]
class(loglik) <- "phymltest"
loglik
}