ISOpure.model_optimize.vv.vv_deriv_loglikelihood {ISOpureR}

Compute the derivative of the loglikelihood relevant to vv for step 1

Description

Computes the derivative of the loglikelihood function relevant to optimizing vv for step 1

Usage

ISOpure.model_optimize.vv.vv_deriv_loglikelihood(ww, sum_log_theta, DD)

Arguments

ww

log(vv-1), a Kx1 matrix

sum_log_theta

the column sums of log(theta), a 1xK matrix

DD

the number of patients (a scalar)

Value

The negative derivative of the part of the loglikelihood function relevant to vv with respect to (log) vv

Author(s)

Gerald Quon, Catalina Anghel, Francis Nguyen