iFad-package |
An integrative factor analysis model for drug-pathway association inference |
data_simulation |
Simulation of example dataset for the factor analysis model |
gibbs_sampling |
Gibbs sampling for the inference of the inference of parameters in the sparse factor analysis model |
iFad |
An integrative factor analysis model for drug-pathway association inference |
label_chain |
Updated factor label configuration during the Gibbs sampling |
matrixL1 |
The matrix representing prior belief for matrixZ1 |
matrixL2 |
The matrix representing prior belief for matrixZ2 |
matrixPi1 |
The bernoulli probability matrix for matrixZ1 |
matrixPi2 |
The bernoulli probability matrix for matrixZ2 |
matrixPr_chain |
The updated posterior probability for matrixZ1&Z2 during Gibbs sampling |
matrixW1 |
The factor loading matrix representing the gene-pathway association |
matrixW2 |
The factor loading matrix representing the drug-pathway association |
matrixW_chain |
The updated matrixW during the Gibbs sampling |
matrixX |
The factor activity matrix |
matrixX_chain |
The updated matrixX in the Gibbs sampling process |
matrixY1 |
The gene expression dataset |
matrixY2 |
The drug sensitivity matrix |
matrixZ1 |
The binary indicator matrix for matrixW1 |
matrixZ2 |
Binary indictor matrix for matrixW2 |
matrixZ_chain |
The updated matrixZ in the Gibbs sampling process |
mcmc_trace_plot |
Traceplot of the Gibbs sampling iterations |
ROC_plot |
Calculate the AUC (area under curve) and generate ROC plot |
sigma1 |
Covariance matrix of the noise term for the genes |
sigma2 |
Covariance matrix of the noise term for the drugs |
tau_g_chain |
The updated tau_g in the Gibbs sampling process |
Y1_mean |
The mean value used for the simulation of matrixY1 |
Y2_mean |
The mean value used for the simulation of matrixY2 |
Ymean_compare |
Compare the infered Y_mean values with the true values |