Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 16 of 16 for “"CHAID"”.
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Data mining Twitter for cancer, diabetes, and asthma insights
… of the disease files were then run through a CHAID (chi-square automatic interaction detector) analysis to demonstrate how user behavior insights vary by disease. Chi-square Automatic Interaction Detector (CHAID) was a technique created by Gordon V. Kass in 1980. CHAID is a tool used to …
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The use of recursive partitioning to build a financial distress prediction for JSE listed companies
… research. This paper employs both the CART and CHAID algorithm and obtains financially distressed prediction models which have a higher correct classification rate than chance alone and prior literature in South Africa. This paper also makes use of a matched data sample approach and the manner …
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An investigation into statistical methods for analysing ordered categorical data.
… using a relatively new statistical package, CHAID, which is designed purely for categorical data analysis. The study is centered around the application of the proportional odds and continuation odds models, to data obtained from a survey of the opinions of South Yorkshire Police staff (SSRC …
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Variables That Predict Burnout Among Sex Offender Treatment Providers: Work Setting, Gender, Work Hours
… analysis. It was determined through the use of CHAID analyses that the most significant variable that predicted burnout was work setting, specifically prison/correctional settings and outpatient setting. The information gained from this study will assist in increasing awareness of burnout which …
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Comparing Multiple Measure Placement Models in Mathematics
… model utilizing cut point values determined by CHAID decision trees and an algorithmic placement model utilizing the regression equations from binary logistic regression analysis. Both models used the placement measures of high school grade point average (HSGPA) and ACT-Mathematics (ACTM) scores …
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Análisis de valor de la trazabilidad de los productos cárnicos españoles
… Tras realizar diversos análisis de dependencias, CHAID y clusters, se puede concluir que la trazabilidad sí añade valor al producto, valoración que mejora según mejore la de las ventajas de esta técnica, aumente el tamaño de la empresa, se trabaje más con vacuno o menos con porcino, se tenga una …
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Determining, scoring and presenting successful performance in professional rugby league
… Chi-Square Automatic Interaction Detection (CHAID) decision trees to identify performance indicators (PIs) and key performance indicators (KPIs). However, some variables which were thought to be important (as identified by previous literature) were removed from the analysis as they did not …
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Acculturation and consumer behaviour: a study of British Indians
… techniques including cluster analysis, CHAID, correlation analyses and ANOVA.<br></br><br></br>The results show that Berry's (1980) acculturation categories apply to British Indians, who follow similar patterns of acculturation to those observed elsewhere in the world amongst minority …
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Sustainability of the Service-Profit Chain
… on Chi-Square Automatic Interaction Detection (CHAID) and Structural Equation Modeling (SEM) developed to explore, uncover and identify relationships and mathematical equations is used to determine the structural input-output representation of the SPC. Next, the model and the methodology …
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A partnership between health visitors and dentists to identify high caries risk Scottish pre-school children
… carried out using both logistic regression and CHAID (Chi-squared Automatic Interaction Detector) analyses. Data collected at age 1-year was used to predict caries at age 4-years. This resulted in the development of the Dundee Caries Risk Model (DCRM) (sensitivity 69% and specificity 60%) (n = …
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A evolução temporal da mobilidade da população na região metropolitana de Porto Alegre, entre 1986 e 1997
… e do Chi-squared Automatic Interaction Detection-CHAID como instrumento de modelagem, foram obtidas as taxas de viagens de grupo de indivíduos, com base nos dados da pesquisa de origem e destino, realizada em 1986, na RMPA. Esses segmentos, organizados a partir da combinação de oito critérios …
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"EPTEALAS" : framework para o desenvolvimento corporativo de e-cursos assíncronos destinados a populações heterogéneas : mensuração da qualidade através de indicadores de eficácia e eficiência
… uma árvore de regressão com recurso a exhaustive CHAID (Chi-squared Automatic Interaction Detector), a fim de melhor compreender o impacto que esta Framework teve face às diferenças sociodemográficas dos formandos. Após análise dos resultados alcançados e na procura de um referencial de …
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Soccer injury surveillance and implementation of an injury prevention programme in Rwanda
… the Chi-squared Automatic Interaction Detection (CHAID) was used to assess intrinsic predictors of injury. Significance was accepted as p<0.05. Results: There were 455 injuries and approximately 46% of the players were injured in each of the two seasons. The team weighted mean incidence of match …
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Estudio de la asociación de los polimorfismos del gen MYH9 con la enfermedad renal crónica secundaria a nefroesclerosis hipertensiva, en una población del norte de España
… utilizado en el análisis multivariante (método CHAID), el mayor riesgo de desarrollar ERC es para los pacientes de mayor edad, varones y con dislipemia, y el menor para los pacientes edad menos avanzada, sin gota y de sexo femenino. Para el estudio de los marcadores de progresión, a esos 230 …
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Validating a Proposed Data Mining Approach (SLDM) for Motion Wearable Sensors to Detect the Early Signs of Lameness in Sheep
… of features selected is 46 optimised by GA using CHAID tree as a fitness function. Conversely, the lowest prediction accuracy of 56.25% with F-score (63.4% sound walking, 51.9% mildly walking, 48.8% severely walking) is recorded when RusBoosting ensemble is applied using 5-fold cross-validation …
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La actividad física de ocio, el tipo de puesto (activo o sedentario) y la turnicidad laboral en relación con el Índice de Masa Corporal
… el análisis multivariante se usó la segmentación CHAID. Resultados principales • Ni el tipo de turno laboral, ni el puesto de trabajo sedentario o activo, tienen asociación con el IMC o el perímetro abdominal (PA) (p>.05 en ambos factores). • Tampoco el tiempo que pasan sentados al día, incluyendo …