sensitivity to class imbalance

Why is Class Imbalance a Concern in Epidemiology?

In epidemiology, accurate identification of disease cases is critical for effective public health interventions. Class imbalance can lead to biased models that are overly influenced by the majority class, resulting in poor performance in identifying the minority class, which is often the disease cases. This imbalance can significantly affect the sensitivity and specificity of predictive models.

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