X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=man%2Fyule.time.Rd;h=e5904e215420e391f4c13b2e7e9d409ec1ba5abf;hb=9f4eb32b3354f76ec0f13f9ca58ad63b082fecca;hp=4bbe9526e6440145c3fca64b799aef619f9bade7;hpb=42bf3d36a0a2a5edd0071739ad346ae9009abffa;p=ape.git diff --git a/man/yule.time.Rd b/man/yule.time.Rd index 4bbe952..e5904e2 100644 --- a/man/yule.time.Rd +++ b/man/yule.time.Rd @@ -46,7 +46,7 @@ yule.time(phy, birth, BIRTH = NULL, root.time = 0, opti = "nlm", start = 0.01) \value{ An object of class "yule" (see \code{\link{yule}}). } -\author{Emmanuel Paradis \email{Emmanuel.Paradis@mpl.ird.fr}} +\author{Emmanuel Paradis} \seealso{ \code{\link{branching.times}}, \code{\link{ltt.plot}}, \code{\link{birthdeath}}, \code{\link{yule}}, \code{\link{yule.cov}} @@ -63,14 +63,18 @@ birth.step <- function(l1, l2, Tcl) { # 2 rates with one break-point BIRTH.logis <- function(t) log(exp(-a*t) + exp(b))/a + t BIRTH.step <- function(t) { - if (t <= Tcl) return(t*l1) - Tcl*l1 + (t - Tcl)*l2 + out <- numeric(length(t)) + sel <- t <= Tcl + if (any(sel)) out[sel] <- t[sel] * l1 + if (any(!sel)) out[!sel] <- Tcl * l1 + (t[!sel] - Tcl) * l2 + out } data(bird.families) ### fit both models: yule.time(bird.families, birth.logis) yule.time(bird.families, birth.logis, BIRTH.logis) # same but faster \dontrun{yule.time(bird.families, birth.step)} # fails -yule.time(bird.families, birth.step, BIRTH.step) +yule.time(bird.families, birth.step, BIRTH.step, + opti = "nlminb", start = c(.01, .01, 100)) } \keyword{models}