hierarchical tree
more htree
functional hierarchical tree code
htree simplification dropping unnecessary children attribute in tree
hierarchical KMeans init
unused variable p
merged htree
added hierarchical graph lasso w/o test
added hierarchical KMeans class
hierarchical graph lasso v0
better management of siblings, descendants and ancestors
better management of siblings, descendants and ancestors
private function X_to_cov
tweaks for get_node_values
trying to get the complement set right
added notebook
updated version of ADMM for hierarchical sparse graph learning
changed gitignore file
changed gitignore file
added adaptive rho and cross-validation