Description Usage Arguments Details Value Author(s) See Also Examples
Output a description of the model and the data that was used at the time
of its creation to the console and optionally to a file. The purpose of
this function is to provide a record of the details underlying the function
fun
as well as to aid users wishing to create objective functions for
optimization tools.
1 2 3 |
fun |
A function produced by |
savefile |
A character string or connection giving a location in which
to record the |
x, ... |
Object to print, and other arguments that will be ignored. |
rjfundoc
displays the contents of the environment associated with
fun
.
rjfundoc
returns a list of class "rjfundoc"
containing values
extracted from the environment of fun
.
John Nash and Duncan Murdoch
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | ## require(nlsr)
traceval <- TRUE # traceval set TRUE to debug or give full history
# Data for Hobbs problem
ydat <- c(5.308, 7.24, 9.638, 12.866, 17.069, 23.192, 31.443,
38.558, 50.156, 62.948, 75.995, 91.972) # for testing
tdat <- seq_along(ydat) # for testing
# A simple starting vector -- must have named parameters for nlxb, nls, wrapnlsr.
start1 <- c(b1=1, b2=1, b3=1)
weeddata2 <- data.frame(y=1.5*ydat, tt=tdat)
escal <- y ~ ms*b1/(1+b2*exp(-b3*tt))
ms <- 1
weeddata3<-weeddata2
weeddata3$y<-0
grs3<-model2rjfun(escal, start1, data=weeddata3, ms=ms)
res3<-grs3(start1)
res3
rjfundoc(grs3)
# Now a different value of ms
ms<-2
grs3b<-model2rjfun(escal, start1, data=weeddata3, ms=ms)
res3b<-grs3b(start1)
res3b
rjfundoc(grs3b)
# rjfundoc(grs3b, savefile="grs3save.txt") ## to save the output
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