scholarly journals Análisis de Correspondencias Múltiple para Describir el Comportamiento Proambiental del Ciudadano de Manabí-Ecuador para el Año 2018

2021 ◽  
Vol 6 (2) ◽  
pp. 75
Author(s):  
Bryan Alejandro Cruz Macías ◽  
Lelly Useche
Keyword(s):  
Correspondence Analysis ◽  
Multiple Correspondence Analysis ◽  
Environmental Behavior ◽  
Environmental Problems ◽  
Living Conditions ◽  
Multivariate Approach ◽  
Probability Sampling ◽  
Environmental Profile

  El presente estudio propone describir un perfil del ciudadano manabita con respecto al comportamiento proambiental con un enfoque multivariante. Para la elaboración de la descripción del perfil se trabajó con una muestra obtenida mediante un muestreo probabilístico polietápico elaborado por el Instituto Nacional de Estadística y Censo del Ecuador, sobre la información de hogares del año 2018 mediante la Encuesta Nacional Multipropósito, en la que se seleccionaron diferentes variables referentes a las condiciones de vidas y problemas ambientales que puedan perturbar sus condiciones de vida y salud. Mediante el análisis de correspondencias múltiples se pudo observar que el perfil del ciudadano manabita con respecto al comportamiento proambiental es muy bajo: se caracteriza en que entre un 66,2% y un 95,1% no clasifican los residuos ni orgánicos ni inorgánicos. Con respecto a los problemas ambientales en la comunidad donde viven, las estadísticas muestran entre un 57,2% y un 72,8% y favorables a la conservación del ambiente, se determinaron tres grupos de ciudadanos proambientalistas. La técnica de análisis de correspondencias múltiples permitió definir perfiles proambientales en los ciudadanos.   Palabra clave: Perfil proambiental, Encuesta Nacional Multipropósito, Correspondencias Múltiples, Ecuador.   Abstract The present study proposes to describe a profile of the Manabí citizen with respect to pro-environmental behavior with a multivariate approach. For the elaboration of the description of the profile, a sample obtained through a polyethapic probability sampling elaborated by the National Institute of Statistics and Census of Ecuador. This was based on the information of households of the year 2018 through the National Multipurpose Survey, where different variables referring to living conditions and environmental problems that could disturb their living conditions and terminating health were selected. Through the multiple correspondence analysis it was observed that the profile of the Manabí citizen with respect to environmental behavior is very low. They are characterized in that between 66.2% and 95.1% do not classify the waste as neither organic nor inorganic. With regard to environmental problems in the community where they live, the statistics between 57.2% and 72.8% are favorable to the conservation of the environment, three groups of pro-environmental citizens were determined. The technique of multiple correspondence analysis allowed defining pro-environmental profiles in citizens.  Keywords: Pro-environmental profile, National Multipurpose Survey, Multiple Correspondences, Ecuador.

scholarly journals Desigualdad en hogares con adultos mayores en México, 2015

2020 ◽  
Vol 26 (103) ◽  
pp. 233-265
Author(s):  
Sergio Cuauhtémoc Gaxiola Robles Linares ◽  
◽  
Daniel Lozano Keymolen ◽  
Keyword(s):  
Older Adults ◽  
Family Structure ◽  
Correspondence Analysis ◽  
Multiple Correspondence Analysis ◽  
Living Conditions ◽  
Three Dimensions ◽  
Government Aid ◽  
The Relationship ◽  
Source Of Information ◽  
Insti Tute

The objective of the article is to analyze the inequality between households with older adults in Mexico in 2015. The source of information is the Intercensal Survey 2015 of the National Insti-tute of Statistics and Geography (INEGI). The methodological proposal of this research is based on the application of a Multiple Correspondence Analysis that allows studying the relationship between the variables of households with older adults in Mexico based on three dimensions: indi-vidual, household and context. The results indicate the presence of permanent inequalities among households with people aged 60 and over, in addition to significant differences in assets, family structure and government aid, which impacts the living conditions of older adults in Mexico in 2015.

scholarly journals Informed Geoheritage Conservation: Determinant Analysis Based on Bibliometric and Sustainability Indicators Using Ordination Techniques

Land ◽  
2021 ◽  
Vol 10 (5) ◽  
pp. 539
Author(s):  
Boglárka Németh ◽  
Károly Németh ◽  
Jon N. Procter
Keyword(s):  
Correspondence Analysis ◽  
Conservation Planning ◽  
Earth Science ◽  
Multiple Correspondence Analysis ◽  
Contributing Factors ◽  
Usual Model ◽  
Development Indicators ◽  
Individual Variables ◽  
Business As Usual ◽  
World Development

Ordination methods are used in ecological multivariate statistics in order to reduce the number of dimensions and arrange individual variables along environmental variables. Geoheritage designation is a new challenge for conservation planning. Quantification of geoheritage to date is used explicitly for site selection, however, it also carries significant potential to be one of the indicators of sustainable development that is delivered through geosystem services. In order to achieve such a dominant position, geoheritage needs to be included in the business as usual model of conservation planning. Questions about the quantification process that have typically been addressed in geoheritage studies can be answered more directly by their relationships to world development indicators. We aim to relate the major informative geoheritage practices to underlying trends of successful geoheritage implementation through statistical analysis of countries with the highest trackable geoheritage interest. Correspondence analysis (CA) was used to obtain information on how certain indicators bundle together. Multiple correspondence analysis (MCA) was used to detect sets of factors to determine positive geoheritage conservation outcomes. The analysis resulted in ordination diagrams that visualize correlations among determinant variables translated to links between socio-economic background and geoheritage conservation outcomes. Indicators derived from geoheritage-related academic activity and world development metrics show a shift from significant Earth science output toward disciplines of strong international agreement such as tourism, sustainability and biodiversity. Identifying contributing factors to conservation-related decisions helps experts to tailor their proposals for required evidence-based quantification reports and reinforce the scientific significance of geoheritage.

scholarly journals Patterns of Italian high school and university students’ attitudes towards physics: an analysis based on semiotic-cultural perspective

2021 ◽  
Author(s):  
Italo Testa ◽  
Raffaele De Luca Picione ◽  
Umberto Scotti di Uccio
Keyword(s):  
High School ◽  
Cluster Analysis ◽  
University Students ◽  
Correspondence Analysis ◽  
Multiple Correspondence Analysis ◽  
Psychological Theory ◽  
Cultural Perspective ◽  
Undergraduate Level ◽  
Students Attitudes ◽  
And Cluster Analysis

AbstractThe purpose of this study was to analyse Italian high school and university students’ attitudes towards physics using the Semiotic Cultural Psychological Theory (SCPT). In the SCPT framework, attitudes represent how individuals interpret their experience through the mediation of generalized meaning with which they are identified. A view-of-physics questionnaire was used as an instrument to collect data with 1603 high school and university students. Data were analysed through multiple correspondence analysis and cluster analysis. We identified four generalized meanings of physics: (a) interesting and important for society; (b) a quite interesting, but badly taught subject at school and not completely useful for society; (c) difficult to study and irrelevant for society; and (d) a fascinating and protective niche from society. The identified generalized meanings are significantly correlated to the choice to study physics at undergraduate level and to the choice of attending physics-related activities in high school. Implications for research are discussed.

scholarly journals Effectiveness of mass treatment of Schistosoma mansoni infection in socially vulnerable areas of a state in northeastern Brazil, 2011–2014

2021 ◽  
Vol 79 (1) ◽  
Author(s):  
Flávia Silvestre Outtes Wanderley ◽  
Ulisses Montarroyos ◽  
Cristine Bonfim ◽  
Carolina Cunha-Correia
Keyword(s):  
Schistosoma Mansoni ◽  
Correspondence Analysis ◽  
Social Vulnerability ◽  
Multiple Correspondence Analysis ◽  
Vulnerability Index ◽  
Two Dimensions ◽  
Northeastern Brazil ◽  
Mass Treatment ◽  
Social Vulnerability Index ◽  
Treatment Information

Abstract Background To assess the effectiveness of mass treatment of Schistosoma mansoni infection in socially vulnerable endemic areas in northeastern Brazil. Method An ecological study was conducted, in which 118 localities in 30 municipalities in the state of Pernambuco were screened before 2011 and in 2014 (after mass treatment). Information on the endemic baseline index, mass treatment coverage, socio-environmental conditions and social vulnerability index were used in the multiple correspondence analysis. One hundred fourteen thousand nine hundred eighty-seven people in 118 locations were examined. Results The first two dimensions of the multiple correspondence analysis represented 55.3% of the variability between locations. The human capital component of the social vulnerability index showed an association with the baseline endemicity index. There was a significant reduction in positivity for schistosomes. For two rounds, for every extra 1% of initial endemicity index, the fixed effect of 13.62% increased by 0.0003%, achieving at most 15.94%. Conclusions The mass treatment intervention helped to reduce transmission of schistosomiasis in areas of high endemicity. Thus, it can be recommended that application of mass treatment should be accompanied by other control actions, such as basic sanitation, monitoring of intermediate vectors and case surveillance.

Generalized constrained multiple correspondence analysis

Psychometrika ◽  
2002 ◽  
Vol 67 (2) ◽  
pp. 211-224 ◽  
Author(s):  
Heungsun Hwang ◽  
Yoshio Takane
Keyword(s):  
Correspondence Analysis ◽  
Multiple Correspondence Analysis
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