neg_loglikelihood_chunk: Calculate negative penalized likelihood, used for calls to...

Description Usage Arguments Value

View source: R/BFA.R

Description

The penalized likelihood function: f(A,Z,β,O,U) = ∑ [lnP(B;A,Z,U,V,β,γ)]_ij - ε_1 * ||A||_2^2 - ε_2 * ||Z||_2^2 - ε_3*||β||_2^2 - ε_2 * ||γ||_2^2

Usage

1
neg_loglikelihood_chunk(parameters, modelEnv)

Arguments

parameters

Vectorized parameter space.

modelEnv

Environment variable contains parameter space, and global variables such as N,G,C,detection matrix B, etc

Value

Scalar penalized likelihood


scBFA documentation built on Nov. 8, 2020, 5:24 p.m.