Description Usage Arguments Value
This function is implementing an EM algorithm to estimate parameters of RA3 model.
1 |
Y |
Input single cell count matrix. |
K1, K2, K3 |
Number of components consisted in RA3 model. |
Gamma |
Initial matrix of parameter matrix Γ. |
A |
Initial matrix of precision matrix A. |
W |
Initial matrix of parameter matrix W, a warm start is recommended in |
sigma_s |
Intial value of parameter σ^2, a warm start is recommended in |
A list containing the following components:
H |
the extracted latent features H. |
W |
the estimated parameter matrix W. |
Beta |
the estimated covariance parameter vector β. |
Gamma |
the estimated indicator matrix Γ. |
A |
the estimated precision matrix A. |
sigma_s |
the estimated σ^2. |
lgp |
the largest log posterior value when EM algorithm converges. |
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