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1
objeto de conferencia
Publicado 2013
Enlace
Enlace
Presentación que se llevó a cabo durante el V Congreso Internacional de Computación y Telecomunicaciones COMTEL 2013 del 22 al 25 de octubre de 2013 en Lima, Perú. COMTEL, es un certamen organizado por la Facultad de Ingeniería de Sistemas, Cómputo y Telecomunicaciones de la Universidad Inca Garcilaso de la Vega, que congrega a profesionales, investigadores y estudiantes de diversos países con el fin de difundir e intercambiar conocimientos, mostrar experiencias académicas-científicas y soluciones para empresas en las áreas de Computación, Telecomunicaciones y disciplinas afines.
2
objeto de conferencia
Publicado 2013
Enlace
Enlace
Presentación que se llevó a cabo durante el V Congreso Internacional de Computación y Telecomunicaciones COMTEL 2013 del 22 al 25 de octubre de 2013 en Lima, Perú. COMTEL, es un certamen organizado por la Facultad de Ingeniería de Sistemas, Cómputo y Telecomunicaciones de la Universidad Inca Garcilaso de la Vega, que congrega a profesionales, investigadores y estudiantes de diversos países con el fin de difundir e intercambiar conocimientos, mostrar experiencias académicas-científicas y soluciones para empresas en las áreas de Computación, Telecomunicaciones y disciplinas afines.
3
artículo
In order to determine the contribution of the sociodemographic, psychosocial and health variables to a prediction model of dementia in the elderly population, a secondary analysis was carried out with the data from the “Health, Well-being and Aging. Bogotá, 2012”, with 2000 men and women over 60 years of age from urban and rural areas of Bogotá. To select the sample, a probabilistic, multistage, conglomerate and stratified sampling was carried out, based on the 2005 National Census. The SABE questionnaire adapted for Colombia was used. According to the level of measurement of each variable and the distribution of the data, univariate and bivariate analyzes were performed, with dementia as a criterion variable and sociodemographic and health variables as predictors; 30 variables were included. It was found that 40.1% of the variance of dementia is explained by age, educational and s...
4
artículo
Publicado 2022
Enlace
Enlace
In order to determine the contribution of the sociodemographic, psychosocial and health variables to a prediction model of dementia in the elderly population, a secondary analysis was carried out with the data from the “Health, Well-being and Aging. Bogotá, 2012”, with 2000 men and women over 60 years of age from urban and rural areas of Bogotá. To select the sample, a probabilistic, multistage, conglomerate and stratified sampling was carried out, based on the 2005 National Census. The SABE questionnaire adapted for Colombia was used. According to the level of measurement of each variable and the distribution of the data, univariate and bivariate analyzes were performed, with dementia as a criterion variable and sociodemographic and health variables as predictors; 30 variables were included. It was found that 40.1% of the variance of dementia is explained by age, educational ...
5
artículo
Nowadays, an engineer’s work consists more and more of obtaining mathematical models of the studied processes. Great part of the literature referring to system identification deals with how to find polynomial models as Prediction Error Methods (PEM) and Instrumental Variable Methods (IVM). In case of complex systems, the state space model appears as an alternative to PEM and IVM models. For multivariable systems, these methods provide reliable state space models directly from input and output data. As systems of large dimensions are usually found in industry, the application of subspace identification algorithms in this field is very promising. Currently the subspaceidentification models Multivariable Output Error State sPace (MOESP) and Numerical algorithms for Subspace State Space System IDentification (N4SID), are topic of study. The objective of this work is to implement th...
6
artículo
Nowadays, an engineer’s work consists more and more of obtaining mathematical models of the studied processes. Great part of the literature referring to system identification deals with how to find polynomial models as Prediction Error Methods (PEM) and Instrumental Variable Methods (IVM). In case of complex systems, the state space model appears as an alternative to PEM and IVM models. For multivariable systems, these methods provide reliable state space models directly from input and output data. As systems of large dimensions are usually found in industry, the application of subspace identification algorithms in this field is very promising. Currently the subspaceidentification models Multivariable Output Error State sPace (MOESP) and Numerical algorithms for Subspace State Space System IDentification (N4SID), are topic of study. The objective of this work is to implement th...
7
artículo
The aim of the study was to analyze how occupational commitment and perceived job opportunities (organizational factors), career adaptability and Coping (individual factors) contribute to the prediction of burnout. This quantitative study had a sample of 246 nurses from three hospitals in the south region of Brazil. Data were submitted to stepwise backward multiple regressions using the software SPSS 22. Predictive analysis of all the independent variables with respect to the characterization burnout revealed an R²aj (predictive factor) of 49.5%. The results confirm that the organizational factors trigger burnout. However, it is possible to also see the importance of individual factors that trigger burnout syndrome.There is a need to build an environment that minimizes the predictive variables of burnout.
8
artículo
Publicado 2022
Enlace
Enlace
The objective of the study was to measure the relationship of personal variables and context with satisfaction with the life and personal well-being of school adolescents in northwestern Mexico. The design is non-experimental ex post facto of transversal type. Two samples of high-low satisfaction with life and personal well-being were compared. Discriminant analyzes and logistic regressions were performed. In the analyzes, the Local Well-being Index, the Family Self-concept and the Social Self-concept result as predictive variables of Personal Well-being, adding to the Neighborhood Attachment in the prediction of Satisfaction with Life. It is concluded that it is important to develop ecological models that include multilevel variables to explain and predict the subjective well-being.
9
artículo
Publicado 2022
Enlace
Enlace
The objective of the study was to measure the relationship of personal variables and context with satisfaction with the life and personal well-being of school adolescents in northwestern Mexico. The design is non-experimental ex post facto of transversal type. Two samples of high-low satisfaction with life and personal well-being were compared. Discriminant analyzes and logistic regressions were performed. In the analyzes, the Local Well-being Index, the Family Self-concept and the Social Self-concept result as predictive variables of Personal Well-being, adding to the Neighborhood Attachment in the prediction of Satisfaction with Life. It is concluded that it is important to develop ecological models that include multilevel variables to explain and predict the subjective well-being.
10
artículo
The present study summarizes the validity of a multi-method integrity test developed to measure integrity and counterproductive work behaviors (CWB) in personnel selection of a Peruvian sample. This instrument has been thoroughly studied in other cultural contexts, establishing its validity in predicting counter-productive behaviors. In order to study external validity, two criteria were used: (a) The Counterproductive Work Behavior Checklist (CWB-C) and (b) a supervisor evaluation questionnaire. The criterion validity of the Peruvian Spanish version was studied with a sample of 194 employed students, 86 male (44.3%) and 108 (55.7%) female. Participants were recruited from a large private Peruvian university. The instrument’s overall score correlated with self-reported CWB (r= -.62, p <.01). Regarding the other criterion, only the Ethical Dilemmas sub-scale showed a significant corr...
11
tesis de grado
Publicado 2018
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INTRODUÇÃO: O Fibroscan é um método não invasivo com alta reprodutibilidade e validado para avaliação da elasticidade pela elastografia hepática transitória (EHT) e da esteatose hepática através da medida do parâmetro de atenuação controlado (CAP). O surgimento dos antivirais de ação direta (DAAs) para o tratamento dos pacientes com hepatite viral C crônica (HCC) permitiu obter resposta virológica sustentada (RVS) em mais do 90% dos casos. Neste cenário, a elastografia por Fibroscan passou a ter papel de destaque, permitindo avaliação hepática não invasiva pré e pós-tratamento. OBJETIVOS: Avaliar os valores da EHT e do CAP (Fibroscan), no pré e pós-tratamento, dos pacientes tratados com DAAs para HCC e que obtiveram RVS, no ambulatório de hepatologia do Hospital Universitário Antônio Pedro. Descrever características gerais, perfil laboratorial e es...
12
tesis de maestría
Publicado 2013
Enlace
Enlace
El esquema de codificación de video propuesto en esta tesis se basa en la síntesis y deformación de texturas. En lugar de utilizar técnicas como la codificación de imágenes completas o los residuos de predicción después de la estimación del movimiento, los modelos de movimiento se utilizan para reconstruir texturas estáticas y la síntesis de texturas se utiliza para crear texturas dinámicas. Las regiones texturizadas se segmentan mediante el método de cuencas hidrográficas y luego se clasifican con métodos simples basados en sus características espectrales por transformada DCT y diferencias simples entre marcos vecinos. Las regiones reconstruidas por deformación y síntesis se evalúan para su uso mediante métodos estadísticos simples. El esquema propuesto trabaja en conjunto con el estándar de video H.264/AVC, que solo codifica bloques que no son procesados por model...
