Displaying 2 results from an estimated 2 matches for "_lists_".
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2003 Oct 30
2
'nls' and its arguments
...rt(pred)
}
Pur.wt <- nls( ~ weighted.MM(rate, conc, Vm, K), data = Treated,
start = list(Vm = 200, K = 0.1))
So, in this example I wouldn't like to write `weighted.MM(rate, conc, Vm, K'),
and `start = list(Vm = 200, K = 0.1)', instead I'd like to supply _lists_.
With the 'start' parameter it's easy - I create list
p.start <- list(Vm = 200, K = 0.1)
and assign it to 'start' in nls():
start = p.start
- that works. But, with the formula it's not so simple. Well, I tried
at first to make formula more "list-like"...
2010 Jan 31
2
Reshaping matrix of vectors as dataframe
Dear R people,
I have to deal with the output of a function which comes as a matrix of
vectors.
You can reproduce the structure as given below:
x <- list(c(1,2,4),c(1,3,5),c(0,1,0),
c(1,3,6,5),c(3,4,4,4),c(0,1,0,1),
c(3,7),c(1,2),c(0,1))
data <- matrix(x,byrow=TRUE,nrow=3)
colnames(data) <- c("First", "Length", "Value")
rownames(data)