centroid

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Related to centroids: moment of inertia

centroid

[′sen‚trȯid]
(mathematics)
(mechanics)
(mathematics)

centroid

The point which may be considered the center of a two-dimensional figure; the center of gravity of an area.
References in periodicals archive ?
1)] that contains the points where we believe that the final centroids will be.
As a result of this loop we may notice that the k centroids change their location step by step until no more changes are done.
Actually, in this study, for every pixel in an ear image, each pixel is used as a centroid to generate the aforementioned white circle.
The proposed method choose initial centroids in two steps.
Clusters 1 and 3 are both above the grand centroid.
Because the data is local information, the initial position of the cluster centroid often deviates from the cluster centroid of the original data set.
In the first step, the idea is to consider the first k items in the data set as k initial centroids, then assigned each of the items to the nearest centroid, with the characteristic that when performing each assignment coordinates are recalculated new centroid.
We investigate the role of the number of clusters inferred by our analysis of the documents and the role of the centroids in the similarity between the computed clusters.
Concordance with morphology diagnosis when using the LSP centroids was greatest in the TCGA RNAseq data set (agreement, 91%; 869 of 951), possibly because of the extensive pathology review and accuracy of the histologic diagnosis associated with TCGA samples as compared with other data sets.
The coordinates of the four centroids and the most representative countries for every cluster Coordinates of the centroid Clusters GDP per capita (*) ISOC (*) Cluster 1 76.
Step 1) Select randomly k points as the initial centroids (initialization).