Computes the part of the loglikelihood function relevant to optimizing kappa for step 1. Instead of performing constrained optimization on kappa directly, we optimize the log of kappa in an unconstrained fashion.
ISOpureS1.model_optimize.kappa.kappa_loglikelihood(log_kappa, tumordata, model)
the scalar log(kappa - model\$MIN_KAPPA)
a GxD matrix representing gene expression profiles of tumour samples
list containing all the parameters to be optimized
The negative of the loglikelihood relevant to optimizing kappa