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The centroid agglomerative algorithm (most popular with biologists) was selected over the average linkage method for two reasons.
Next, based on the standardized data and the four clustering variables, agglomerative hierarchical clustering is performed with the aid of Ward's method and the squared Euclidean distance measure.
1) The time complexity of hierarchical agglomerative algorithms is O([n.
The Ward method of hierarchical agglomerative clustering was run using the statistical package for the social sciences (SPSSx) program.
It would seem, then, that Owens' theory of causal explanation does not support his claim that coincidences cannot be causally explained, nor his consequent claim that causal explanation is neither agglomerative nor transitive.
In this respect, indeed, the empirical record lends considerable weight to Hotelling's agglomerative hypothesis.
In promoting those friendly little punctuation marks with their agglomerative role, Mississippi Masala takes up the same theme as Jungle Fever, but in a spirit of warmhearted optimism.
The first step is to use an agglomerative hierarchical clustering model to group the products according to their similarity across the key variables.
Known to generations of students as the problem of ice-cream vendors that contrive to cluster together in the center of a beach, the principle of minimum differentiation provides a simple and easily remembered illustration of the agglomerative bent of similar retail firms.
It assumes a hierarchy of places in which the market area of each place is nested in the market area of the next highest order place, an extent of trade within the hierarchy that is dominated by agglomerative economies, and a flow of agglomerative services from higher to lower levels (Christaller 1966).
Various types of special economic function zones including economic and technology development zones, hi-tech development zones, export processing zones and free trade zones serve as an important platform for foreign investment absorption, which also facilitated the nationwide application of the opening-up mode, created agglomerative and geographically radiating effects in various industries, as well as supported the execution of the "Eastern China Taking the Lead", "Rising of Central China", "West Development" and "Revival of Northeastern China" strategies.
Initially the features of the data are selected by using Principal Component Analysis (PCA) then the selected are used in Agglomerative Hierarchical clustering (AHC) and K means clustering to cluster the cotton fiber data.