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recall
2008 May 07
3
function in nls argument
Greetings R users, maybe there is someone who can help
me with this problem:
I define a function "optim.fun" and want as output the
sum of squared errors between predicted and measured
values, as follows:
optim.fun <- function (ST04, SM08b, ch2no, a, b, d, E)
{
predR <-
(a*SM08b^I(2)+b*SM08b+d)*exp(E*((1/(283.15-227.13))-(1/(ST04+273.15-227.13))))
abserr