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Victoria Yue Zhang's Projects

severity-analysis-of-motor-vehicle-crashes-in-iowa icon severity-analysis-of-motor-vehicle-crashes-in-iowa

Implemented sampling and stepwise selection methods to adjust the imbalanced dataset with five injuries levels Applied Multinomial Regression and ANN to train models via R. Got the best result from ANN with ADALINE transfer function that the overall accuracy = 71.17% and the F1 score of the serious injury levels significantly improved. Detected influential factors using the Olden Function to help policymakers improve the transportation system

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