نتایج جستجو برای: multidimensional scaling mds veli
تعداد نتایج: 115650 فیلتر نتایج به سال:
Mathematical models for the prediction of company failure are by now well established . Most of the work on multivariate modelling of distress prediction attempts to obtain a score that gives the failure probability of a company. A data set of 66 Spanish banks , 29 of which failed , is used to show that multidimensional scaling (MDS) techniques can be of use to produce simple tools for the anal...
A three-dimensional (3D) theoretical morphospace of gomphonemoid and cymbelloid diatoms was skeletonized using concepts from extended Reeb graph analysis and Morse theory. The resultant skeleton tree was matched to a cladogram of the same group of related taxa using adjacency matrices of the trees and ordinated with multidimensional scaling (MDS) of leaf nodes. From this, an unweighted path mat...
Although factor analysis is the most commonly-used method for examining the structure of cognitive variable interrelations, multidimensional scaling (MDS) can provide visual representations highlighting the continuous nature of interrelations among variables. Using data (N = 8,813; ages 17-97 years) aggregated across 38 separate studies, MDS was applied to 16 cognitive variables representative ...
Landmark Multidimensional Scaling (LMDS) The O(N) memory complexity of cMDS makes it an impractical choice when N is the number of pixels. Randomized approaches sample rows of the distance matrix to build approximate representatives of the entire matrix [4]. Depending on the coherence of the right singular vectors of D, it has been shown [2] that the Nyström approximation is the original matrix...
This research is designed to explore the areas of collaborative learning and the use of smartphones as a support for collaborative learning through a year-long exploratory multiple case study approach integrating both qualitative and quantitative data analysis. Qualitative exploratory interviews are combined with Multidimensional Scaling Analysis to provide a detailed image of students’ mobile ...
Penelitian ini bertujuan adalah untuk menilai dan menelahah atribut dalam dimensi ekologi teknologi yang berpengaruh terhadap keberlanjutan pengelolaan tanaman padi secara terpadu melalui program SL-PTT pengembangan sawah di tingkat petani upaya meningkatkan produktivitas berkelanjutan, besarnya peluang penerapan pelaksanaan Kabupaten Musi Rawas diujicoba menggunakan metode Multi Dimensional Sc...
The self-organising map (SOM) and its variant, visualisation induced SOM (ViSOM), have been known to yield similar results to multidimensional scaling (MDS). However, the exact connection has not been established. In this paper, a review on the SOM and its cost function and topological measures is provided first. We then examine the exact scaling effect of the SOM and ViSOM from their objective...
Multidimensional perceptual unfolding was executed for a set of spatially-processed speech samples reproduced via headphones. This paper describes only the first stage of a two-part study employing the analytic technique termed external unfolding. In this first stage, global dissimilarity ratings were made for all pairwise comparisons of the experimental stimuli under each of four listening con...
The graphical representation method, Robust CoPlot, is a robust variant of the classical CoPlot method. CoPlot is an adaptation of multidimensional scaling (MDS), and is a practical tool for visual inspection and rich interpretation of multivariate data. CoPlot enables presentation of a multidimensional dataset in a two dimensions, in a manner that relations between both variables and observati...
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