neg_loglikelihood_chunk {scBFA} | R Documentation |
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
neg_loglikelihood_chunk(parameters, modelEnv)
parameters |
Vectorized parameter space. |
modelEnv |
Environment variable contains parameter space, and global variables such as N,G,C,detection matrix B, etc |
Scalar penalized likelihood