Words similar to eigen

Example sentences for: eigen

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The inability of the method to find the expression patterns representing these groups seemed to be dependent on the overall properties of the dataset, rather than the absence of an appropriate eigen vector used to initiate the process, as the program was unable to identify these patterns even when the process was initiated by seeding the centroids with the unidentified patterns (data not shown).
The final centroids identified by the fuzzy clustering method showed little dependence on the eigen vectors used to seed the process, as evidenced by bootstrapping analysis.
This limitation is alleviated by performing successive cycles of fuzzy k-means clustering on subsets of the data and recalculating the eigen vectors for the respective dataset used in each cycle.
The first round of clustering is initialized by defining k /3 prototype centroids (where k is the total number of clusters and 3 is the number of clustering cycles) as the most informative k /3 eigen vectors identified by PCA of the input dataset (see Materials and methods).
To estimate the dependence of the procedure on the eigen vectors used to seed the clusters, a similar bootstrapping procedure was carried out in which PCA was performed on 4,373 genes chosen randomly from dataset B but the cluster refinement was done using all genes in dataset B. The frequency of each centroid was scored as described above.