View source: R/robustcvxclust_path.R
robustcvxclust_path | R Documentation |
robustcvxclust_path
estimates the robust convex clustering path using ADMM.
Required inputs include a data matrix X
(rows are the observations; columns are the features), a vector of weights wt
, and a sequence of regularization parameters lambda
. The penalty norm supported is 2-norm.
robustcvxclust_path(X, wt, lambda, rho, tau, tol_abs = 1e-05, max_iter = 1e+05)
X |
The data matrix to be clustered. The rows are the observations, and the columns are the features. |
wt |
A vector of nonnegative weights. The ith entry |
lambda |
A sequence of regularization parameters. |
rho |
Augmented Lagrangian penalty parameter. |
tau |
The robustification parameter in huber loss. |
tol_abs |
The convergence tolerance (absolute). |
max_iter |
The maximum number of iterations. |
U
A list of centroid matrices.
W
A list of centroid matrices.
V
A list of centroid difference matrices.
Y
A list of Lagrange multiplier matrices.
Z
A list of Lagrange multiplier matrices.
Chenyu Liu, Qiang Sun, Kean Ming Tan
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