Research Article

Two Efficient Algorithms for Orthogonal Nonnegative Matrix Factorization

Table 7

Performance k = 3 on the leukemia data matrix.

Algorithm 1Algorithm 2Algorithm 3Algorithm 4

0.8912  0.10240.9218  0.18950.8256  0.1179
0.2500  0.05670.2054  0.07230.4132  0.0590