try:
# first argument of llik.nor has to be the parameter
llik.nor<-function(theta,x){mu<-theta[1];sig<-theta[2];-length(x)*log(sqrt(2*pi))-length(x)*log(sig)-(1/(2*sig**2))*sum((x-mu)**2)}
# optim by default does minimization
# setting fnscale = -1 one obtains a maximization problem
optim(c(1,5
Hello, I am having trouble using "optim".
I want to maximalise a function to its parameters [kind of like: univariate
maximum likelihood estimation, but i wrote the likelihood function myself
because of data issues ]
When I try to optimize a function for only one parameter there is no
problem:
l
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