As an alternative to analysing the contribution of performance in specific segments of a triathlon to the overall result as measured in terms of time or position, which has several limitations, previous studies have instead analysed the performance indicator in triathlon. Therefore, the purpose of the study was to analyse the relationship between performance in specific segments and overall performance in terms of sprint distance in elite triathletes through the triathlon performance indicator, instead of using time or position. The official sprint distance results from World Triathlon Series elite events from 2012 to 2019 were examined. In total, 2144 entries were considered, 1143 of which were men and 1001 were women. Performance in the cycling segment presents the best concordance with the overall performance for both elite men (ICCa = 0.871, IC95% = (0.711–0.927)) and elite women (ICCa = 0.907, IC95% = (0.875–0.929)). Although the performance in the running segment does not show the best concordance with the overall performance, the position in this segment does better explain the overall position, especially in elite men and in draft-legal races. These results can support coaches and athletes to identify a specific profile of the strengths and weaknesses of triathletes in competitions, in comparison to their rivals, over a specific distance.
Se trata de poner en evidencia la importancia que tiene para el ingeniero, la formación adecuada en el área de la Estadística, para hacer frente a la variabilidad y la incertidumbre que aparece en las situaciones corrientes de su ejercicio profesional. El Marco a partir del cual se reconstruye la dimensión estadística en el currículo del ingeniero, desarrollada con base en la necesidad de disponer de heurísticas que le permitan tomar decisiones razonables al ejercer su profesión de ingeniero, está basado en los planteamientos de Koen (1985). Se pretende enfatizar la conveniencia y la necesidad de incluir una buena formación básica en Estadística, como una componente esencial en las carreras de Ingeniería. Se realiza una propuesta de temas a tratar, suficientemente flexible para adaptarse a las necesidades específicas de los distintos programas académicos de Ingeniería.
A new procedure is proposed for deciding whether a candidate variable is significant in a general nonparametric regression model with independent covariates. A forward selection process is conducted using a formal test of equality of regression curves at each stage. The proposed procedure does not require multidimensional smoothing at any intermediate step. Asymptotic properties are given. Some simulation results and a real application are given.
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