| BiG_DA | BiG with half-t prior through a data augmentation approach |
| BiG_diffuse | BiG with diffuse Inverse Gamma/Uniform prior |
| init_W | Generate initial values for W |
| qtruncgamma | Truncated Gamma distribution |
| rtruncgamma | Truncated Gamma distribution |
| sim_lvm | Simulate rank data from latent variable model |