Nothing
R/congruify.R
In geiger: Analysis of Evolutionary Diversification
Defines functions
r8s.phylo
treePL.phylo
PATHd8.phylo
write.pathd8
write.r8s
write.treePL
congruify.phylo
.build_calibrations
.build_classification
Documented in
congruify.phylo
PATHd8.phylo
r8s.phylo
write.pathd8
write.r8s
write.treePL
.build_classification=function(species){
.split_lab=function(label){
lab=gsub(".", "_", label, fixed=TRUE)
lab=gsub(" ", "_", lab, fixed=TRUE)
lab=unlist(strsplit(lab, "_", fixed=TRUE))
lab=lab[lab!=""]
lab
}
data.frame(genus=sapply(species, function(s) .split_lab(s)[1]), species=species, stringsAsFactors=FALSE)
}
.build_calibrations=function(dat, scion, scion_desc=NULL, tol=0){
# dat: branching times from stock; rows are 1:(Ntip(stock)+Nnode(stock))
# time hash
# 1001 352.234677 3a4adb7cc0d4a51b9012dfb5615b3d71
# 1002 243.269677 33757769ee61bde8dd5574ae35b47053
# scion: phylo tree with 'hash' object -- to be scaled from stock
fetch_spanning=function(phy, nd, desc){
# desc: a list from 1:(Ntip(phy)+Nnode(phy)) of tips descended from 'nd'
if(nd<=Ntip(phy)) return(NULL)
dd=.get.desc.of.node(nd,phy)[1:2]
tt=sapply(dd, function(x) return(desc[[x]][1]))
return(phy$tip.label[sort(tt)])
}
if(is.null(scion_desc)) scion_desc=.cache.descendants(scion)$tips
N=Ntip(scion)
stock_times=dat
scion_hash=scion$hash
df=data.frame(MRCA=scion_hash[(N+1):length(scion_hash)], MaxAge=NA, MinAge=NA, taxonA=NA, taxonB=NA, valid=FALSE, stringsAsFactors=FALSE)
for(i in 1:nrow(df)){
if(!is.na(hash.cur<-df$MRCA[i])){
if(hash.cur%in%stock_times$hash){
node.idx=i+N
df[i,c("MaxAge","MinAge")]<-age.idx<-stock_times$time[match(hash.cur, stock_times$hash)]
df[i,c("taxonA","taxonB")]<-taxa.idx<-fetch_spanning(scion, node.idx, scion_desc)
if(age.idx>tol & all(!is.na(taxa.idx))) df[i,"valid"]=TRUE
}
}
}
df=df[df$valid,]
return(df[,-which(names(df)=="valid")])
}
congruify.phylo=function(reference, target, taxonomy=NULL, tol=0, scale=c(NA, "PATHd8", "treePL"), ncores=NULL){
## adding requirement for ncbit
## require(ncbit)
stock=reference
scion=target
# stock: a time-calibrated phylogeny with tip-labels that can be treated as an exemplar for clades in 'scion'
# -- e.g., tip.label in 'stock' might be "Pinus" while in 'scion' we might have "Pinus_cembra"
# -- tips in 'stock' can be contained in 'scion' (FIXME: is this true?)
# megaphylogeny: a rooted phylogeny that is to be time-scaled based on 'stock'
# taxonomy: linkage table between tipsets for 'stock' and 'scion'; if empty, one is attempted to be built by 'scion' labels
# -- if NULL, 'stock' tips must correspond to tips in 'scion'... e.g., A, B, C in 'stock'; A_sp1, B_sp2, C_sp3 in 'scion'
# -- rownames of taxonomy must be tips in megaphylogeny
## functions
method=match.arg(unname(sapply(scale, toString)), c("NA", "PATHd8", "treePL"))
hashes.mapping <- function (phy, taxa, mapping){
## GENERAL FUNCTION: find hash tag for every edge in tree (using phy$tip.label or predefined set of 'taxa')
# returns list of hash tags from node 1:(Nnode(phy)+Ntip(phy))
# taxa: set of species used to create hash keys
# mapping: named list -- names are tips in 'phy'; elements are tips represented by each tip in 'phy' (and should also be present in 'taxa')
mapping=mapping[names(mapping)%in%phy$tip.label]
if(is.null(taxa)) stop("Must supply 'tips'.")
if(!all(names(mapping)%in%phy$tip.label)) stop("'mapping' must be named list with names in tip labels of 'phy'.")
mapping=mapping[match(names(mapping), phy$tip.label)]
descendants <- .cache.descendants(phy)$tips
hashes <- sapply(descendants, function(desc) .hash.tip(unlist(mapping[desc]), taxa))
empty=.md5(integer(length(taxa)))
hashes[hashes==empty]=NA
phy$hash=hashes
phy=.uniquify_hashes(phy)
return(phy)
}
times.mapping=function(phy, taxa, mapping){
# mapping: named list -- names are tips in 'phy'; elements are tips represented by each tip in 'phy' (and should also be present in 'taxa')
# taxa: species that are represented by tips in 'stock'
# find hash tags for stock 'phy'
stock=hashes.mapping(phy, taxa, mapping)
tmp=heights.phylo(stock)
tmp$hash=stock$hash
dat=data.frame(time=tmp[,"end"], hash=stock$hash, stringsAsFactors=FALSE)
dat$hash[1:Ntip(stock)]=NA # destroy keys that are associated with tips
return(list(stock=stock,dat=dat))
}
smooth_scion=function(stock, scion, scion_desc, taxa, spp, tol=0.01, method=c("PATHd8", NA, "treePL")){
method=match.arg(toString(method), c("NA", "PATHd8", "treePL"))
if(!is.ultrametric(stock, tol=tol)) warning("Supplied 'stock' is non-ultrametric.")
stock_tmp=times.mapping(stock, taxa, spp)
stock=stock_tmp$stock
stock_dat=stock_tmp$dat
calibration=.build_calibrations(stock_dat, scion, scion_desc, tol=tol)
if(!nrow(calibration)) {
warning("No concordant branches reconciled between 'stock' and 'scion'; ensure that 'tax' involves rownames found as tip labels in 'scion'")
return(NA)
}
if(method=="PATHd8") {
phy=PATHd8.phylo(scion, calibration, base=".tmp_PATHd8", rm=FALSE)
phy$hash=c(rep("", Ntip(phy)), phy$node.label)
phy$hash[phy$hash==""]=NA
} else if(method=="treePL") {
phy=treePL.phylo(scion, calibration, base=".tmp_treePL", rm=FALSE)
phy$hash=c(rep("", Ntip(phy)), phy$node.label)
phy$hash[phy$hash==""]=NA
} else if(method=="NA"){
phy=NULL
}
stock$node.label=stock$hash[(Ntip(stock)+1):max(stock$edge)]
stock$node.label[is.na(stock$node.label)]=""
return(list(phy=phy, calibrations=calibration, reference=stock, target=scion))
}
## end functions
## PROCESSING ##
classification=taxonomy
unfurl=FALSE
if(inherits(stock,"phylo")) {
stock=list(stock)
unfurl=TRUE
}
if(is.null(classification)) {
classification=as.data.frame(unique(as.matrix(.build_classification(scion$tip.label)),MARGIN=2))
}
tips=unique(unlist(lapply(stock, function(x) x$tip.label)))
spp=lapply(tips, function(o) {
x=rownames(classification)[which(classification==o, arr.ind=TRUE)[,1]]
x=x[x%in%scion$tip.label]
})
names(spp)=tips
taxa=unique(unlist(spp))
scion=hashes.phylo(scion, taxa, ncores)
scion_desc=.cache.descendants(scion)$tips
if(is.null(scion$edge.length)) scion$edge.length=numeric(nrow(scion$edge)) ## JME 01302013
f=lapply
results=f(1:length(stock), function(i) {
phy=stock[[i]]
smooth_scion(phy, scion, scion_desc, taxa, spp, tol=tol, method=method)
})
if(unfurl) results=results[[1]]
return(results)
}
## END CONGRUIFICATION FUNCTIONS ##
write.treePL=function(phy, calibrations, nsites=10000, min=0.0001, base="", opts=list(smooth=100, nthreads=8, optad=0, opt=1, cvstart=1000, cviter=3, cvend=0.1, thorough=TRUE)){
# calibrations: dataframe with minimally 'MRCA' 'MaxAge' 'MinAge' 'taxonA' and 'taxonB' from .build_calibrations
# MRCA MaxAge MinAge taxonA taxonB
# c65bacdf65aa29635bec90f3f0447c6e 352.234677 352.234677 Inga_chartacea Encephalartos_umbeluziensis
# d4bc6557dccbd4e8e18b867979f34f8e 243.269677 243.269677 Inga_chartacea Nuphar_sagittifolia
# 5e30c16531694aff7d94da3b35806677 217.632627 217.632627 Inga_chartacea Schisandra_glaucescens
if(file.exists(inp<-paste(base,"infile",sep="."))) unlink(inp)
if(file.exists(int<-paste(base,"intree",sep="."))) unlink(inp)
poss=list(
cv="numeric",
collapse="boolean",
checkconstraints="boolean",
cvstart="numeric",
cvstop="numeric",
cvmultstep="numeric",
verbose="boolean",
lftemp="numeric",
pltemp="numeric",
plcool="numeric",
lfstoptemp="numeric",
plstoptemp="numeric",
lfrtstep="numeric",
plrtstep="numeric",
thorough="boolean",
lfiter="integer",
pliter="integer",
cviter="integer",
ldfsimaniter="integer",
plsimaniter="integer",
cvsimaniter="integer",
calcgrad="numeric",
paramverbose="boolean",
prime="boolean",
opt="boolean",
optad="boolean",
optcvad="boolean",
moredetail="boolean",
moredetailad="boolean",
moredetailcvad="boolean",
randomcv="boolean",
ftol="numeric",
xtol="numeric",
mapspace="boolean",
nthreads="integer"
)
if(length(opts)==0) {
print(poss)
stop("No 'opts' specified")
}
# correct small branch lengths
z=phy$edge.length[which(phy$edge.length>0)]
if(any(z<min)){
scl=min/min(z)
phy$edge.length=phy$edge.length*scl
}
write.tree(phy, file=int)
## check appropriateness of constraints ##
# check for 'calibrations' and 'phy' congruence
# if(!is.null(phy)){
# check=function(t, phy) all(t%in%phy$tip.label)
# a=check(calibrations$taxonA, phy)
# b=check(calibrations$taxonB, phy)
# if(!all(c(a,b))) stop("Some calibrations not encountered in tree.")
# }
## build r8s file
# calibrations$fixage=ifelse(calibrations$MinAge==calibrations$MaxAge, TRUE, FALSE)
constraints<-constraintnames<-character(nrow(calibrations))
for(i in 1:nrow(calibrations)){
cal=calibrations[i,]
taxon=cal$MRCA
desc=c(cal$taxonA, cal$taxonB)
txt1=ifelse(!is.na(cal$MinAge), paste("min =", taxon, cal$MinAge, sep=" "), "")
txt2=ifelse(!is.na(cal$MaxAge), paste("max =", taxon, cal$MaxAge, sep=" "), "")
txt=paste(txt1,txt2,sep="\n")
constraints[i]=txt
constraintnames[i]=paste("mrca =", taxon, desc[1], desc[2], sep=" ")
}
infile=list(
tree=paste("treefile = ", int, sep=""),
ns=paste("numsites = ", nsites, sep=""),
names=paste(unlist(constraintnames), collapse="\n"),
mrca=paste(unlist(constraints), collapse="\n"),
out=paste("outfile = ", paste(base, "dated", "tre", sep="."), sep=""),
opt=paste(names(opts), opts, sep="=", collapse="\n")
)
inp=paste(base,"infile",sep=".")
writeLines(paste(infile,collapse="\n\n"), con=inp)
attr(inp, "method")="treePL"
return(inp)
}
write.r8s=function(phy=NULL, calibrations, base="", blformat=c(lengths="persite", nsites=10000, ultrametric="no", round="yes"), divtime=c(method="NPRS", algorithm="POWELL"), describe=c(plot="chrono_description"), cv=c(cvStart=0, cvInc=0.5, cvNum=8), do.cv=FALSE){
# calibrations: dataframe with minimally 'MRCA' 'MaxAge' 'MinAge' 'taxonA' and 'taxonB' from .build_calibrations
# MRCA MaxAge MinAge taxonA taxonB
# c65bacdf65aa29635bec90f3f0447c6e 352.234677 352.234677 Inga_chartacea Encephalartos_umbeluziensis
# d4bc6557dccbd4e8e18b867979f34f8e 243.269677 243.269677 Inga_chartacea Nuphar_sagittifolia
# 5e30c16531694aff7d94da3b35806677 217.632627 217.632627 Inga_chartacea Schisandra_glaucescens
if(file.exists(inp<-paste(base,"infile",sep="."))) unlink(inp)
## check appropriateness of constraints ##
# check for 'calibrations' and 'phy' congruence
# if(!is.null(phy)){
# check=function(t, phy) all(t%in%phy$tip.label)
# a=check(calibrations$taxonA, phy)
# b=check(calibrations$taxonB, phy)
# if(!all(c(a,b))) stop("Some calibrations not encountered in tree.")
# }
## build r8s file
# calibrations$fixage=ifelse(calibrations$MinAge==calibrations$MaxAge, TRUE, FALSE)
constraints<-constraintnames<-character(nrow(calibrations))
for(i in 1:nrow(calibrations)){
cal=calibrations[i,]
taxon=cal$MRCA
desc=c(cal$taxonA, cal$taxonB)
txt=paste(paste("\tfixage taxon=", taxon,sep=""), paste("age=", cal$MinAge, ";\n", sep=""), sep=" ")
constraints[i]=txt
constraintnames[i]=paste("\tMRCA", taxon, desc[1], paste(desc[2], ";\n", sep=""), sep=" ")
}
# phy$node.label=NULL
cv.code <- ""
if(do.cv) {
cv.code <- paste(paste(names(cv), cv, sep="="), ";\n", sep="", collapse="")
}
infile=paste(c(
"#nexus\n",
"begin trees;\n",
paste("tree r8s = ", write.tree(phy), "\n", sep=""),
"end;\n",
"begin r8s;\n",
paste("\tblformat ", paste(names(blformat), blformat, collapse=" ", sep="="), ";\n", sep=""),
names=paste(unlist(constraintnames), collapse=""),
mrca=paste(unlist(constraints), collapse=""),
"\tcollapse;\n",
paste("\tdivtime ", paste(names(divtime), divtime, collapse=" ", sep="="), cv.code, ";\n", sep=""),
paste("\tdescribe ", paste(names(describe), describe, sep="="), ";\n", sep="", collapse=""),
"end;"
),collapse="")
inp=paste(base,"infile",sep=".")
writeLines(paste(infile,collapse="\n\n"), con=inp)
attr(inp, "method")="r8s"
return(inp)
}
write.pathd8=function(phy, calibrations, base=""){
# calibrations: dataframe with minimally 'MRCA' 'MaxAge' 'MinAge' 'taxonA' and 'taxonB'
if(file.exists(inp<-paste(base,"infile",sep="."))) unlink(inp)
## check appropriateness of constraints ##
# check for 'calibrations' and 'phy' congruence
check=function(t, phy) all(t%in%phy$tip.label)
a=check(calibrations$taxonA, phy)
b=check(calibrations$taxonB, phy)
if(!all(c(a,b))) stop("Some calibrations not encountered in tree.")
## build PATHd8 file
calibrations$fixage=ifelse(calibrations$MinAge==calibrations$MaxAge, TRUE, FALSE)
constraints<-constraintnames<-character(nrow(calibrations))
for(i in 1:nrow(calibrations)){
cal=calibrations[i,]
taxon=cal$MRCA
desc=c(cal$taxonA, cal$taxonB)
if(cal$fixage) {
txt=paste("mrca:", paste(desc[1], ", ", desc[2], ", ", sep=""), paste("fixage=", cal$MinAge, ";", sep=""), sep=" ")
} else {
txt1=paste("mrca:", paste(desc[1], ", ", desc[2], ", ", sep=""), paste("minage=", cal$MinAge, ";", sep=""), sep=" ")
txt2=paste("mrca:", paste(desc[1], ", ", desc[2], ", ", sep=""), paste("maxage=", cal$MaxAge, ";", sep=""), sep=" ")
txt=paste(txt1,txt2,sep="\n")
}
constraints[i]=txt
constraintnames[i]=paste("name of mrca: ", paste(desc[1], ", ", desc[2], ", ", sep=""), paste("name=", cal$MRCA, ";", sep=""), sep=" ")
}
phy$node.label=NULL
infile=list(tree=write.tree(phy),
mrca=paste(unlist(constraints), collapse="\n"),
names=paste(unlist(constraintnames), collapse="\n")
)
inp=paste(base,"infile",sep=".")
writeLines(paste(infile,collapse="\n\n"), con=inp)
attr(inp, "method")="pathd8"
return(inp)
}
PATHd8.phylo=function(phy, calibrations=NULL, base="", rm=TRUE){
# calibrations: dataframe with minimally 'MRCA' 'MaxAge' 'MinAge' 'taxonA' and 'taxonB'
# -- if NULL, simple ultrametricization of 'phy' is performed
phy$node.label=NULL
if(!is.null(calibrations)){
infile=write.pathd8(phy, calibrations, base)
} else {
infile=paste(base, "infile", sep=".")
write.tree(phy, infile)
}
smooth.file=paste(base, "smoothed.tre", sep=".")
parsed.outfile=paste(base, "pathd8.out", sep=".")
outfile=paste(base, "pathd8.orig.out", sep=".")
if(file.exists(outfile)) unlink(outfile)
if(!system("which PATHd8", ignore.stdout=TRUE)==0) stop("Install 'PATHd8' before proceeding.")
system(paste("PATHd8 -n", infile, "-pn >", outfile, sep=" "))
system(paste("grep \"d8 tree\" ", outfile, ">", parsed.outfile, sep=" "))
smoothed=read.tree(parsed.outfile)
if(rm & base=="") {
unlink(parsed.outfile)
unlink(smooth.file)
unlink(outfile)
unlink(infile)
}
return(smoothed)
}
treePL.phylo=function(phy, calibrations=NULL, base="", rm=TRUE){
phy$node.label=NULL
if(!is.null(calibrations)){
infile=write.treePL(phy=phy, calibrations=calibrations, base=base)
} else {
infile=paste(base, "infile", sep=".")
write.tree(phy, infile)
}
smooth.file=paste(base, "dated.tre", sep=".")
outfile=paste(base, "treePL.orig.out", sep=".")
if(file.exists(outfile)) unlink(outfile)
if(!system("which treePL", ignore.stdout=TRUE)==0) stop("Install 'treePL' before proceeding.")
system(paste("treePL ", infile, " >", outfile, sep=" "))
#system(paste("grep \"tree\" ", outfile, ">", parsed.outfile, sep=" "))
smoothed=read.tree(smooth.file)
if(rm & base=="") {
unlink(smooth.file)
unlink(outfile)
unlink(infile)
}
return(smoothed)
}
r8s.phylo=function(phy, calibrations=NULL, base="r8srun", ez.run="none", rm=TRUE, blformat=c(lengths="persite", nsites=10000, ultrametric="no", round="yes"), divtime=c(method="NPRS", algorithm="POWELL"), cv=c(cvStart=0, cvInc=0.5, cvNum=8), do.cv=FALSE){
if(grepl("nprs",ez.run, ignore.case=TRUE)) {
divtime <- c(method="NPRS", algorithm="POWELL")
do.cv <- FALSE
}
if(grepl("pl",ez.run, ignore.case=TRUE)) {
divtime <- c(method="PL", algorithm="qnewt")
cv <- c(cvStart=0, cvInc=0.5, cvNum=8)
do.cv <- TRUE
}
# calibrations: dataframe with minimally 'MRCA' 'MaxAge' 'MinAge' 'taxonA' and 'taxonB'
# -- if NULL, simple ultrametricization of 'phy' is performed
phy$node.label=NULL
if(!is.null(calibrations)){
infile=write.r8s(phy, calibrations, base, blformat=blformat, divtime=divtime, cv=cv, do.cv=do.cv)
} else {
infile=paste(base, "infile", sep=".")
write.tree(phy, infile)
}
smooth.file=paste(base, "smoothed.tre", sep=".")
parsed.outfile=paste(base, "r8s.out", sep=".")
outfile=paste(base, "r8s.orig.out", sep=".")
if(file.exists(outfile)) unlink(outfile)
if(!system("which r8s", ignore.stdout=TRUE)==0) stop("Install 'r8s' before proceeding.")
system(paste("r8s -b -f", infile, " >", outfile, sep=" "))
system(paste("grep \"tree r8s\" ", outfile, ">", parsed.outfile, sep=" "))
smoothed=read.tree(parsed.outfile)
if(rm & base=="") {
unlink(parsed.outfile)
unlink(smooth.file)
unlink(outfile)
unlink(infile)
}
return(smoothed)
}
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Defines functions r8s.phylo treePL.phylo PATHd8.phylo write.pathd8 write.r8s write.treePL congruify.phylo .build_calibrations .build_classification
Documented in congruify.phylo PATHd8.phylo r8s.phylo write.pathd8 write.r8s write.treePL
.build_classification=function(species){
.split_lab=function(label){
lab=gsub(".", "_", label, fixed=TRUE)
lab=gsub(" ", "_", lab, fixed=TRUE)
lab=unlist(strsplit(lab, "_", fixed=TRUE))
lab=lab[lab!=""]
lab
}
data.frame(genus=sapply(species, function(s) .split_lab(s)[1]), species=species, stringsAsFactors=FALSE)
}
.build_calibrations=function(dat, scion, scion_desc=NULL, tol=0){
# dat: branching times from stock; rows are 1:(Ntip(stock)+Nnode(stock))
# time hash
# 1001 352.234677 3a4adb7cc0d4a51b9012dfb5615b3d71
# 1002 243.269677 33757769ee61bde8dd5574ae35b47053
# scion: phylo tree with 'hash' object -- to be scaled from stock
fetch_spanning=function(phy, nd, desc){
# desc: a list from 1:(Ntip(phy)+Nnode(phy)) of tips descended from 'nd'
if(nd<=Ntip(phy)) return(NULL)
dd=.get.desc.of.node(nd,phy)[1:2]
tt=sapply(dd, function(x) return(desc[[x]][1]))
return(phy$tip.label[sort(tt)])
}
if(is.null(scion_desc)) scion_desc=.cache.descendants(scion)$tips
N=Ntip(scion)
stock_times=dat
scion_hash=scion$hash
df=data.frame(MRCA=scion_hash[(N+1):length(scion_hash)], MaxAge=NA, MinAge=NA, taxonA=NA, taxonB=NA, valid=FALSE, stringsAsFactors=FALSE)
for(i in 1:nrow(df)){
if(!is.na(hash.cur<-df$MRCA[i])){
if(hash.cur%in%stock_times$hash){
node.idx=i+N
df[i,c("MaxAge","MinAge")]<-age.idx<-stock_times$time[match(hash.cur, stock_times$hash)]
df[i,c("taxonA","taxonB")]<-taxa.idx<-fetch_spanning(scion, node.idx, scion_desc)
if(age.idx>tol & all(!is.na(taxa.idx))) df[i,"valid"]=TRUE
}
}
}
df=df[df$valid,]
return(df[,-which(names(df)=="valid")])
}
congruify.phylo=function(reference, target, taxonomy=NULL, tol=0, scale=c(NA, "PATHd8", "treePL"), ncores=NULL){
## adding requirement for ncbit
## require(ncbit)
stock=reference
scion=target
# stock: a time-calibrated phylogeny with tip-labels that can be treated as an exemplar for clades in 'scion'
# -- e.g., tip.label in 'stock' might be "Pinus" while in 'scion' we might have "Pinus_cembra"
# -- tips in 'stock' can be contained in 'scion' (FIXME: is this true?)
# megaphylogeny: a rooted phylogeny that is to be time-scaled based on 'stock'
# taxonomy: linkage table between tipsets for 'stock' and 'scion'; if empty, one is attempted to be built by 'scion' labels
# -- if NULL, 'stock' tips must correspond to tips in 'scion'... e.g., A, B, C in 'stock'; A_sp1, B_sp2, C_sp3 in 'scion'
# -- rownames of taxonomy must be tips in megaphylogeny
## functions
method=match.arg(unname(sapply(scale, toString)), c("NA", "PATHd8", "treePL"))
hashes.mapping <- function (phy, taxa, mapping){
## GENERAL FUNCTION: find hash tag for every edge in tree (using phy$tip.label or predefined set of 'taxa')
# returns list of hash tags from node 1:(Nnode(phy)+Ntip(phy))
# taxa: set of species used to create hash keys
# mapping: named list -- names are tips in 'phy'; elements are tips represented by each tip in 'phy' (and should also be present in 'taxa')
mapping=mapping[names(mapping)%in%phy$tip.label]
if(is.null(taxa)) stop("Must supply 'tips'.")
if(!all(names(mapping)%in%phy$tip.label)) stop("'mapping' must be named list with names in tip labels of 'phy'.")
mapping=mapping[match(names(mapping), phy$tip.label)]
descendants <- .cache.descendants(phy)$tips
hashes <- sapply(descendants, function(desc) .hash.tip(unlist(mapping[desc]), taxa))
empty=.md5(integer(length(taxa)))
hashes[hashes==empty]=NA
phy$hash=hashes
phy=.uniquify_hashes(phy)
return(phy)
}
times.mapping=function(phy, taxa, mapping){
# mapping: named list -- names are tips in 'phy'; elements are tips represented by each tip in 'phy' (and should also be present in 'taxa')
# taxa: species that are represented by tips in 'stock'
# find hash tags for stock 'phy'
stock=hashes.mapping(phy, taxa, mapping)
tmp=heights.phylo(stock)
tmp$hash=stock$hash
dat=data.frame(time=tmp[,"end"], hash=stock$hash, stringsAsFactors=FALSE)
dat$hash[1:Ntip(stock)]=NA # destroy keys that are associated with tips
return(list(stock=stock,dat=dat))
}
smooth_scion=function(stock, scion, scion_desc, taxa, spp, tol=0.01, method=c("PATHd8", NA, "treePL")){
method=match.arg(toString(method), c("NA", "PATHd8", "treePL"))
if(!is.ultrametric(stock, tol=tol)) warning("Supplied 'stock' is non-ultrametric.")
stock_tmp=times.mapping(stock, taxa, spp)
stock=stock_tmp$stock
stock_dat=stock_tmp$dat
calibration=.build_calibrations(stock_dat, scion, scion_desc, tol=tol)
if(!nrow(calibration)) {
warning("No concordant branches reconciled between 'stock' and 'scion'; ensure that 'tax' involves rownames found as tip labels in 'scion'")
return(NA)
}
if(method=="PATHd8") {
phy=PATHd8.phylo(scion, calibration, base=".tmp_PATHd8", rm=FALSE)
phy$hash=c(rep("", Ntip(phy)), phy$node.label)
phy$hash[phy$hash==""]=NA
} else if(method=="treePL") {
phy=treePL.phylo(scion, calibration, base=".tmp_treePL", rm=FALSE)
phy$hash=c(rep("", Ntip(phy)), phy$node.label)
phy$hash[phy$hash==""]=NA
} else if(method=="NA"){
phy=NULL
}
stock$node.label=stock$hash[(Ntip(stock)+1):max(stock$edge)]
stock$node.label[is.na(stock$node.label)]=""
return(list(phy=phy, calibrations=calibration, reference=stock, target=scion))
}
## end functions
## PROCESSING ##
classification=taxonomy
unfurl=FALSE
if(inherits(stock,"phylo")) {
stock=list(stock)
unfurl=TRUE
}
if(is.null(classification)) {
classification=as.data.frame(unique(as.matrix(.build_classification(scion$tip.label)),MARGIN=2))
}
tips=unique(unlist(lapply(stock, function(x) x$tip.label)))
spp=lapply(tips, function(o) {
x=rownames(classification)[which(classification==o, arr.ind=TRUE)[,1]]
x=x[x%in%scion$tip.label]
})
names(spp)=tips
taxa=unique(unlist(spp))
scion=hashes.phylo(scion, taxa, ncores)
scion_desc=.cache.descendants(scion)$tips
if(is.null(scion$edge.length)) scion$edge.length=numeric(nrow(scion$edge)) ## JME 01302013
f=lapply
results=f(1:length(stock), function(i) {
phy=stock[[i]]
smooth_scion(phy, scion, scion_desc, taxa, spp, tol=tol, method=method)
})
if(unfurl) results=results[[1]]
return(results)
}
## END CONGRUIFICATION FUNCTIONS ##
write.treePL=function(phy, calibrations, nsites=10000, min=0.0001, base="", opts=list(smooth=100, nthreads=8, optad=0, opt=1, cvstart=1000, cviter=3, cvend=0.1, thorough=TRUE)){
# calibrations: dataframe with minimally 'MRCA' 'MaxAge' 'MinAge' 'taxonA' and 'taxonB' from .build_calibrations
# MRCA MaxAge MinAge taxonA taxonB
# c65bacdf65aa29635bec90f3f0447c6e 352.234677 352.234677 Inga_chartacea Encephalartos_umbeluziensis
# d4bc6557dccbd4e8e18b867979f34f8e 243.269677 243.269677 Inga_chartacea Nuphar_sagittifolia
# 5e30c16531694aff7d94da3b35806677 217.632627 217.632627 Inga_chartacea Schisandra_glaucescens
if(file.exists(inp<-paste(base,"infile",sep="."))) unlink(inp)
if(file.exists(int<-paste(base,"intree",sep="."))) unlink(inp)
poss=list(
cv="numeric",
collapse="boolean",
checkconstraints="boolean",
cvstart="numeric",
cvstop="numeric",
cvmultstep="numeric",
verbose="boolean",
lftemp="numeric",
pltemp="numeric",
plcool="numeric",
lfstoptemp="numeric",
plstoptemp="numeric",
lfrtstep="numeric",
plrtstep="numeric",
thorough="boolean",
lfiter="integer",
pliter="integer",
cviter="integer",
ldfsimaniter="integer",
plsimaniter="integer",
cvsimaniter="integer",
calcgrad="numeric",
paramverbose="boolean",
prime="boolean",
opt="boolean",
optad="boolean",
optcvad="boolean",
moredetail="boolean",
moredetailad="boolean",
moredetailcvad="boolean",
randomcv="boolean",
ftol="numeric",
xtol="numeric",
mapspace="boolean",
nthreads="integer"
)
if(length(opts)==0) {
print(poss)
stop("No 'opts' specified")
}
# correct small branch lengths
z=phy$edge.length[which(phy$edge.length>0)]
if(any(z<min)){
scl=min/min(z)
phy$edge.length=phy$edge.length*scl
}
write.tree(phy, file=int)
## check appropriateness of constraints ##
# check for 'calibrations' and 'phy' congruence
# if(!is.null(phy)){
# check=function(t, phy) all(t%in%phy$tip.label)
# a=check(calibrations$taxonA, phy)
# b=check(calibrations$taxonB, phy)
# if(!all(c(a,b))) stop("Some calibrations not encountered in tree.")
# }
## build r8s file
# calibrations$fixage=ifelse(calibrations$MinAge==calibrations$MaxAge, TRUE, FALSE)
constraints<-constraintnames<-character(nrow(calibrations))
for(i in 1:nrow(calibrations)){
cal=calibrations[i,]
taxon=cal$MRCA
desc=c(cal$taxonA, cal$taxonB)
txt1=ifelse(!is.na(cal$MinAge), paste("min =", taxon, cal$MinAge, sep=" "), "")
txt2=ifelse(!is.na(cal$MaxAge), paste("max =", taxon, cal$MaxAge, sep=" "), "")
txt=paste(txt1,txt2,sep="\n")
constraints[i]=txt
constraintnames[i]=paste("mrca =", taxon, desc[1], desc[2], sep=" ")
}
infile=list(
tree=paste("treefile = ", int, sep=""),
ns=paste("numsites = ", nsites, sep=""),
names=paste(unlist(constraintnames), collapse="\n"),
mrca=paste(unlist(constraints), collapse="\n"),
out=paste("outfile = ", paste(base, "dated", "tre", sep="."), sep=""),
opt=paste(names(opts), opts, sep="=", collapse="\n")
)
inp=paste(base,"infile",sep=".")
writeLines(paste(infile,collapse="\n\n"), con=inp)
attr(inp, "method")="treePL"
return(inp)
}
write.r8s=function(phy=NULL, calibrations, base="", blformat=c(lengths="persite", nsites=10000, ultrametric="no", round="yes"), divtime=c(method="NPRS", algorithm="POWELL"), describe=c(plot="chrono_description"), cv=c(cvStart=0, cvInc=0.5, cvNum=8), do.cv=FALSE){
# calibrations: dataframe with minimally 'MRCA' 'MaxAge' 'MinAge' 'taxonA' and 'taxonB' from .build_calibrations
# MRCA MaxAge MinAge taxonA taxonB
# c65bacdf65aa29635bec90f3f0447c6e 352.234677 352.234677 Inga_chartacea Encephalartos_umbeluziensis
# d4bc6557dccbd4e8e18b867979f34f8e 243.269677 243.269677 Inga_chartacea Nuphar_sagittifolia
# 5e30c16531694aff7d94da3b35806677 217.632627 217.632627 Inga_chartacea Schisandra_glaucescens
if(file.exists(inp<-paste(base,"infile",sep="."))) unlink(inp)
## check appropriateness of constraints ##
# check for 'calibrations' and 'phy' congruence
# if(!is.null(phy)){
# check=function(t, phy) all(t%in%phy$tip.label)
# a=check(calibrations$taxonA, phy)
# b=check(calibrations$taxonB, phy)
# if(!all(c(a,b))) stop("Some calibrations not encountered in tree.")
# }
## build r8s file
# calibrations$fixage=ifelse(calibrations$MinAge==calibrations$MaxAge, TRUE, FALSE)
constraints<-constraintnames<-character(nrow(calibrations))
for(i in 1:nrow(calibrations)){
cal=calibrations[i,]
taxon=cal$MRCA
desc=c(cal$taxonA, cal$taxonB)
txt=paste(paste("\tfixage taxon=", taxon,sep=""), paste("age=", cal$MinAge, ";\n", sep=""), sep=" ")
constraints[i]=txt
constraintnames[i]=paste("\tMRCA", taxon, desc[1], paste(desc[2], ";\n", sep=""), sep=" ")
}
# phy$node.label=NULL
cv.code <- ""
if(do.cv) {
cv.code <- paste(paste(names(cv), cv, sep="="), ";\n", sep="", collapse="")
}
infile=paste(c(
"#nexus\n",
"begin trees;\n",
paste("tree r8s = ", write.tree(phy), "\n", sep=""),
"end;\n",
"begin r8s;\n",
paste("\tblformat ", paste(names(blformat), blformat, collapse=" ", sep="="), ";\n", sep=""),
names=paste(unlist(constraintnames), collapse=""),
mrca=paste(unlist(constraints), collapse=""),
"\tcollapse;\n",
paste("\tdivtime ", paste(names(divtime), divtime, collapse=" ", sep="="), cv.code, ";\n", sep=""),
paste("\tdescribe ", paste(names(describe), describe, sep="="), ";\n", sep="", collapse=""),
"end;"
),collapse="")
inp=paste(base,"infile",sep=".")
writeLines(paste(infile,collapse="\n\n"), con=inp)
attr(inp, "method")="r8s"
return(inp)
}
write.pathd8=function(phy, calibrations, base=""){
# calibrations: dataframe with minimally 'MRCA' 'MaxAge' 'MinAge' 'taxonA' and 'taxonB'
if(file.exists(inp<-paste(base,"infile",sep="."))) unlink(inp)
## check appropriateness of constraints ##
# check for 'calibrations' and 'phy' congruence
check=function(t, phy) all(t%in%phy$tip.label)
a=check(calibrations$taxonA, phy)
b=check(calibrations$taxonB, phy)
if(!all(c(a,b))) stop("Some calibrations not encountered in tree.")
## build PATHd8 file
calibrations$fixage=ifelse(calibrations$MinAge==calibrations$MaxAge, TRUE, FALSE)
constraints<-constraintnames<-character(nrow(calibrations))
for(i in 1:nrow(calibrations)){
cal=calibrations[i,]
taxon=cal$MRCA
desc=c(cal$taxonA, cal$taxonB)
if(cal$fixage) {
txt=paste("mrca:", paste(desc[1], ", ", desc[2], ", ", sep=""), paste("fixage=", cal$MinAge, ";", sep=""), sep=" ")
} else {
txt1=paste("mrca:", paste(desc[1], ", ", desc[2], ", ", sep=""), paste("minage=", cal$MinAge, ";", sep=""), sep=" ")
txt2=paste("mrca:", paste(desc[1], ", ", desc[2], ", ", sep=""), paste("maxage=", cal$MaxAge, ";", sep=""), sep=" ")
txt=paste(txt1,txt2,sep="\n")
}
constraints[i]=txt
constraintnames[i]=paste("name of mrca: ", paste(desc[1], ", ", desc[2], ", ", sep=""), paste("name=", cal$MRCA, ";", sep=""), sep=" ")
}
phy$node.label=NULL
infile=list(tree=write.tree(phy),
mrca=paste(unlist(constraints), collapse="\n"),
names=paste(unlist(constraintnames), collapse="\n")
)
inp=paste(base,"infile",sep=".")
writeLines(paste(infile,collapse="\n\n"), con=inp)
attr(inp, "method")="pathd8"
return(inp)
}
PATHd8.phylo=function(phy, calibrations=NULL, base="", rm=TRUE){
# calibrations: dataframe with minimally 'MRCA' 'MaxAge' 'MinAge' 'taxonA' and 'taxonB'
# -- if NULL, simple ultrametricization of 'phy' is performed
phy$node.label=NULL
if(!is.null(calibrations)){
infile=write.pathd8(phy, calibrations, base)
} else {
infile=paste(base, "infile", sep=".")
write.tree(phy, infile)
}
smooth.file=paste(base, "smoothed.tre", sep=".")
parsed.outfile=paste(base, "pathd8.out", sep=".")
outfile=paste(base, "pathd8.orig.out", sep=".")
if(file.exists(outfile)) unlink(outfile)
if(!system("which PATHd8", ignore.stdout=TRUE)==0) stop("Install 'PATHd8' before proceeding.")
system(paste("PATHd8 -n", infile, "-pn >", outfile, sep=" "))
system(paste("grep \"d8 tree\" ", outfile, ">", parsed.outfile, sep=" "))
smoothed=read.tree(parsed.outfile)
if(rm & base=="") {
unlink(parsed.outfile)
unlink(smooth.file)
unlink(outfile)
unlink(infile)
}
return(smoothed)
}
treePL.phylo=function(phy, calibrations=NULL, base="", rm=TRUE){
phy$node.label=NULL
if(!is.null(calibrations)){
infile=write.treePL(phy=phy, calibrations=calibrations, base=base)
} else {
infile=paste(base, "infile", sep=".")
write.tree(phy, infile)
}
smooth.file=paste(base, "dated.tre", sep=".")
outfile=paste(base, "treePL.orig.out", sep=".")
if(file.exists(outfile)) unlink(outfile)
if(!system("which treePL", ignore.stdout=TRUE)==0) stop("Install 'treePL' before proceeding.")
system(paste("treePL ", infile, " >", outfile, sep=" "))
#system(paste("grep \"tree\" ", outfile, ">", parsed.outfile, sep=" "))
smoothed=read.tree(smooth.file)
if(rm & base=="") {
unlink(smooth.file)
unlink(outfile)
unlink(infile)
}
return(smoothed)
}
r8s.phylo=function(phy, calibrations=NULL, base="r8srun", ez.run="none", rm=TRUE, blformat=c(lengths="persite", nsites=10000, ultrametric="no", round="yes"), divtime=c(method="NPRS", algorithm="POWELL"), cv=c(cvStart=0, cvInc=0.5, cvNum=8), do.cv=FALSE){
if(grepl("nprs",ez.run, ignore.case=TRUE)) {
divtime <- c(method="NPRS", algorithm="POWELL")
do.cv <- FALSE
}
if(grepl("pl",ez.run, ignore.case=TRUE)) {
divtime <- c(method="PL", algorithm="qnewt")
cv <- c(cvStart=0, cvInc=0.5, cvNum=8)
do.cv <- TRUE
}
# calibrations: dataframe with minimally 'MRCA' 'MaxAge' 'MinAge' 'taxonA' and 'taxonB'
# -- if NULL, simple ultrametricization of 'phy' is performed
phy$node.label=NULL
if(!is.null(calibrations)){
infile=write.r8s(phy, calibrations, base, blformat=blformat, divtime=divtime, cv=cv, do.cv=do.cv)
} else {
infile=paste(base, "infile", sep=".")
write.tree(phy, infile)
}
smooth.file=paste(base, "smoothed.tre", sep=".")
parsed.outfile=paste(base, "r8s.out", sep=".")
outfile=paste(base, "r8s.orig.out", sep=".")
if(file.exists(outfile)) unlink(outfile)
if(!system("which r8s", ignore.stdout=TRUE)==0) stop("Install 'r8s' before proceeding.")
system(paste("r8s -b -f", infile, " >", outfile, sep=" "))
system(paste("grep \"tree r8s\" ", outfile, ">", parsed.outfile, sep=" "))
smoothed=read.tree(parsed.outfile)
if(rm & base=="") {
unlink(parsed.outfile)
unlink(smooth.file)
unlink(outfile)
unlink(infile)
}
return(smoothed)
}
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