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FREG (version 1.1)

Hessian: Estimation of Hessian matrix

Description

Second derivative of log-likelihood function

Usage

Hessian(x, y, beta)

Arguments

x

a design matrix which is a product of inner product of basis functions and basis coefficients of functional covariate X

y

a response variable of class factor

beta

initial values for beta regression coefficients and intercepts

Value

Hess

a Hessian matrix at the estimated optimum