Research Article

Two Efficient Algorithms for Orthogonal Nonnegative Matrix Factorization

Table 6

Performance k = 2 on the leukemia data matrix.

Algorithm 1Algorithm 2Algorithm 3Algorithm 4

0.9216  0.12560.9266  0.11270.6708  0.0950
0.3053  0.14730.3317  0.09520.6653  0.0958