People clustered around the noticeboard to read the announcement. Examples of cluster. We also evaluate the stability of clusters with respect to synthetic remeasured array data. From the Cambridge English Corpus. 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. The variants are not interspersed with one another; but form segregated clusters. Finally, there are a variety of clustering and data-mining techniques for understanding the structure of the data in other ways. At present the model only contains a limited framework supporting node- and tree-based clusters.
We will then examine whether the resulting clusters are associated with cohort status and relevant sociodemographic variables. Is there a group difference in the number and size of clusters produced? We can overcome the problem of data sparseness by applying not co-occurring words but co-occurring clusters to the similarity of target words.
The exemplar clusters are embedded in a network of associations among words that map relations of similarity at all levels. Wahyono Hadi 2. Lya Wahyuningsih 2. Noun Ending 2. Position in Sentence 3. Function 4. They are things that we can count. We can count pens. We can have one, two, three or more pens. We cannot "count" them. For example, we cannot count "milk".
We can count "bottles of milk" or "litres of milk", but we cannot count "milk" itself. A name is a noun, but a very special noun - a proper noun. Proper nouns have special rules.
In that case, the first noun "acts as" an adjective. It is important to understand and recognize compound nouns. Each compound noun acts as a single unit and can be modified by adjectives and other nouns. There are three forms for compound nouns: 1 open or spaced - space between words tennis shoe 2 hyphenated - hyphen between words six-pack 3 closed or solid - no space or hyphen between words bedroom Style: MLA. English Language Learners Definition of cluster Entry 1 of 2.
Kids Definition of cluster Entry 1 of 2. Kids Definition of cluster Entry 2 of 2. Medical Definition of cluster. Get Word of the Day daily email! Test Your Vocabulary. Test your vocabulary with our question quiz!
Love words? Need even more definitions? The plants have clusters of white flowers in early June. Questions about grammar and vocabulary? Join us Join our community to access the latest language learning and assessment tips from Oxford University Press! Want to learn more? Extra Examples a dense cluster of buildings The church stood in a small cluster of houses.
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