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Informes recientes muestran la creciente adopción en el sector financiero de técnicas de aprendizaje automático o machine learning (ML) en la gestión del riesgo de crédito. En este entorno, los supervisores se encuentran ante el reto de permitir que se maximicen las oportunidades derivadas...
Persistent link: https://www.econbiz.de/10012525231
Artículo de revista ; The use of artificial intelligence tools has escalated recently in all sectors of the economy owing, among other factors, to the growing volume of digital data and higher computational capacity. Major benefits may be reaped from applying these tools to the provision of...
Persistent link: https://www.econbiz.de/10012532407
Uno de los principales retos en el uso de modelos de aprendizaje automático, o machine learning en inglés (ML), en finanzas es cómo explicar sus resultados. Recientemente han aparecido técnicas de interpretabilidad con este objetivo, pero existe discusión sobre su fiabilidad. En este...
Persistent link: https://www.econbiz.de/10013267753
Recientes avances tecnológicos, como el almacenamiento masivo de datos y la computación en la nube, están dando lugar a un mayor uso de la inteligencia artificial en la economía y las finanzas, y modificando aspectos fundamentales tanto para entidades como para supervisores. En este...
Persistent link: https://www.econbiz.de/10013414504
The decision tree is a well-known methodology for classification and regression. In this dissertation, we focus on the minimization of the misclassification rate for decision tree classifiers. We derive the necessary equations that provide the optimal tree prediction, the estimated risk of the...
Persistent link: https://www.econbiz.de/10009431076
the determinants of telecommunications investments and presents two possible solutions to the investment problem. The …
Persistent link: https://www.econbiz.de/10009451158
vectors. The proposed SVM training is implemented and tested on two problems: (i) gender classification of facial images using … standard SVM training, the proposed approach leads to much faster SVM training, produces a more compact classifier while …
Persistent link: https://www.econbiz.de/10009457387
consideration is non-stationary (i.e. has a unit root) or stationary. In the context of a Stochastic Volatility Model (SVM), the … propose a unit root test for the volatility process based on the Simulation-Extrapolation (SIMEX) approach. We express the SVM …
Persistent link: https://www.econbiz.de/10009431184
neural network (ANN) methods, these methods are the subset of statistical and artificial intelligence techniques respectively …. In this paper, a hybrid model of ARIMA and ANN models are employed to predict the number of fatal injuries in the USA …
Persistent link: https://www.econbiz.de/10009465814
A look at today's US military will see them operating much beyond the scope of protecting and defending the United States. These operations now consist of, but are not limited to humanitarian aid, disaster relief, and conflict resolution. This broad spectrum of operational environments has...
Persistent link: https://www.econbiz.de/10009475940