1. The difference between a forecasted value and the actual observed value; a measure of prediction accuracy
The forecasting error in the quarterly sales projection was larger than expected.
O erro de previsão na projeção de vendas trimestral foi maior do que o esperado.
2. In statistics and time series analysis, the residual or deviation from predicted to actual outcomes
Analysts calculated the mean absolute forecasting error to evaluate model performance.
Os analistas calcularam o erro médio absoluto de previsão para avaliar o desempenho do modelo.