| bigeigen | Big eigenvalue calculation |
| fusedL2DescentGLMNet | Optimise the fused L2 model with glmnet (using transformed input data) |
| fusedLassoProximal | Fused lasso optimisation with proximal-gradient method. (Chen et al. 2010) |
| fusedLassoProximalIterationsTaken | Following a call to fusedLassoProximal, returns the actual number of iterations taken. |
| generateBlockDiagonalMatrices | Generate block diagonal matrices to allow for fused L2 optimization with glmnet. |