Aortic regurgitation can eventually lead to heart failure. Mitral regurgitation may also require a valve replacement. In this condition, the mitral valve allows oxygenated blood to flow backwards into the lungs instead of continuing through the heart as it should. People with this condition may experience shortness of breath, irregular heartbeats and chest pain.
A training program is composed of a schedule of activi-. ties with training goals, learning objectives, subject areas, methods, trainers, trainees, methods of assessment, and. locations. A good training program is designed to address. performance problems, such as long delays in getting medi-. cines from suppliers to the main stores, delays in distribut-. ing medicines from midlevel stores to end-user units, or. Performance.
Model Evaluation. Training set is a subset of the dataset used to build predictive models. Validation set is a subset of the dataset used to assess the performance of model built in the training phase. It provides a test platform for fine tuning model's parameters and selecting the best-performing model.