[null,null,["最終更新日 2024-08-13 UTC。"],[[["Prediction bias, calculated as the difference between the average prediction and the average ground truth, is a quick check for model or data issues."],["A model with zero prediction bias ideally predicts the same average outcome as observed in the ground truth data, such as a spam detection model predicting the same percentage of spam emails as actually present in the dataset."],["Significant prediction bias can indicate problems in the training data, the model itself, or the new data being applied to the model."],["Common causes of prediction bias include biased data, excessive regularization, bugs in the training process, and insufficient features provided to the model."]]],[]]