Casella, G., and Berger, R. L. (2002). Statistical inference, Duxbury Press.
See Also
weta.data siteocc
Examples
F.test <- function(x){
3*x[1]^3 + x[1]^2*x[2]^2 + x[2]^3 + x[1]^2*x[3]^4
}
F.2nd.deriv( c(2,3,4), F.test )
# Another Example using siteocc function to get standard errors.
data(weta.data)
fit1 <- siteocc(~1, ~1, histories=weta.data$detection.histories)
print(fit1)