I have been trying to find the glasso matrix for a covariance matrix input link:
SP_glasso_matrix= Glasso(SP_covar_matrix, rho=0)
Warning message returned is:
Warning message: In glasso(SP_covar_matrix, rho = 0) : With rho=0, there may be convergence problems if the input matrix is not of full rank
Is there something wrong with my covariance matrix? What is rho and how do I set it?