cluster nghĩa là gì

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Ý nghĩa của cluster bằng tiếng Việt

0 a closely-packed group (of people or things) -- đám; cụm
- a cluster of berries
- They stood in a cluster.
1 (often with round) to group together in clusters -- tụ họp lại
- They clustered round the door.

We also evaluate the stability of clusters with respect to synthetic remeasured array data.
Even with the model-based algorithms, the number of clusters can only be estimated.
The steps of assigning genes to centroids and computing new centroids are repeated until no genes are moved between clusters.
Hence, it is of interest to study the performance of various clustering approaches as a function of noise level in the synthetic data.
Clustering with repeated measurements produced more accurate clusters than clustering with the estimated true mean data in most cases.
In a data matrix, rows usually represent objects to be clustered (typically genes), and columns usually represent features or attributes of the objects (typically experiments).
In each step, similar subtrees (clusters) are merged to form the dendrogram.
Assuming known categories (classes) of objects are available, we can compare clustering results by assessing the agreement of the clusters with the classes.