centroid

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Related to centroids: moment of inertia
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  • noun

Words related to centroid

the center of mass of an object of uniform density

References in periodicals archive ?
Suppose if [xi, yi], i = 1 :N are the N observation (or patterns), xi is the ith input and yi is the corresponding pattern label, for the two class pattern classification problem, c+ and c_ are the centroids of the two classes, the classifier response is given by
Clusters Centroids Entities C1 17, 2453 393 C2 28, 5236 105 C3 9, 167 3445 C4 28, 21474 9 C5 15, 1002 1048 Table 2: Multiparty clustering detailed results.
Distance between centroids and core area shifts from breeding to non-breeding season for six Red-tailed Hawks in El Yunque National Forest, Puerto Rico.
For squared error and k-means algorithms the notion of centroid is the mean or median point of a group of points.
Population data were linked to block centroids to generate a relative population distribution surface.
In the last step, the excepted data points that were saved in a temporary data structure will be processed by recalculating the distance between them and the resulting centroids of step 2.
Specifically, if the source and target cells have no pixels in common and the distance (in pixels) between their centroids is greater than a user defined threshold value, then the mapping is assigned an arbitrarily high cost (MAX_COST) to ensure that it will never be chosen.
shifts in annual centroids of home ranges, dispersal, and migration) could be used to determine size and configuration of management units and to assess spread of disease.
The use of centroids as adaptability references indicated that the genotypes close to the centroids should present a high expression of genes that are influenced or controlled by the environment (KANG; GAUCH JR.
2: Initialize the set of initial centers or centroids [chi].
In total, approximately 82% of participants were successfully matched to a specific street address, 2% were matched to a street name (at the center-point of the street segment if the street was located within one ZIP code), and 15% were matched to ZIP code centroids.
1) Randomly select k objects to init the cluster centroids CEs [k].
The LA method was motivated by an experimental study of the convergence of centroids computed by using the Cimmino algorithm on a constrained system.
For an overall sense of the Bushes' distinctiveness as communicators, though, the best guides are the group centroids that are given in Table 2 and shown graphically in Figure 1.