Uso da técnica de análise de correspondência para análise exploratória de dados no contexto educacional

• Autor(a) principal: Barros, Thiago Medeiros
• Data de Publicação: 2018
• Outros Autores: Silva, Ivanovitch, Guedes, Luiz Affonso
• Tipo de documento: Artigo
• Idioma: por
• Título da fonte: Repositório Institucional da Universidade Federal do Ceará (UFC)
• dARK ID: ark:/83112/0013000002b0c
• Texto Completo: http://www.repositorio.ufc.br/handle/riufc/44026
• topic: Análise Exploratória de Dados - Análise de Correspondência; Análise Exploratória de Dados - dados socioeconômicos

The purpose of this paper is to show how the Correspondence Analysis can be used to enhance the Exploratory Data Analysis on the drop-out for a set of educational data with a majority of the categorical type. To this, the independence calculation was implemented from the chi-square, and the heatmap and perceptual map were generated with the indexes on the socioeconomic data of students of courses of IFRN. As a result of this paper is presented the relations of attraction and repulsion between socioeconomic attributes and drop-out, and the profile of the student most vulnerable to evasion is drawn. Some characteristics are: students who have already failed at least once, who do not live with their parents, elementary school in public school, low level of education of the financial responsible.