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Analyzing distances 31
Fenty, Justin.
Gower and Krzanowski (1999) described the analysis of a multivariate dataset that violated the assumptions of normality for multivariate analysis of variance. They developed a method comprising two aspects: a graphical representation of the points in a fewer number of dimensions, known as principal coordinate analysis; and a technique similar to MANOVA except that it was based on partitioning the distances between subjects, rather than sums of squares, and did not assume that the data followed any particular distribution. This article summarizes both aspects of their analysis and describes the Stata pco and aod commands, which perform principal coordinate analysis and analysis of distance.
Tipo: Journal Article Palavras-chave: Multivariate data; Principal coordinate analysis; Multidimensional scaling; Euclidean distance; Gower's general coefficient of similarity; Eigenvectors; Analysis of distance; MANOVA; Partitioning of squared distance; Randomization tests; Contrasts; Idempotent matrices; Research Methods/ Statistical Methods.
Ano: 2004 URL: http://purl.umn.edu/116209
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Historical knowledge, richness and relative representativeness of the avifauna of the largest native urban rainforest in the world 103
Tonetti,Vinicius R.; Rego,Marco A.; Luca,André C. De; Develey,Pedro F.; Schunck,Fábio; Silveira,Luís F..
ABSTRACT Stretching for more than 10,000 ha in the Metropolitan Area of São Paulo, southeastern Brazil, Serra da Cantareira comprises the largest native urban rainforest in the World, harboring a rich and diverse Atlantic Forest avifauna. Despite its closeness to major urban areas, few bird surveys have been conducted there. In this article we present an updated compilation of all bird species recorded for Serra da Cantareira, including personal records from the authors. A total of 326 species have been recorded for Serra da Cantareira since 1901; of these, nine have not been sighted there for the last two decades. The number of bird species endemic to the Atlantic Forest is high (80), and seven of its species are globally threatened. According to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Atlantic Forest; Bird conservation; Hierarchical cluster analysis; Principal coordinate analysis; Serra da Cantareira.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702017000100309
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