forecast bias
probabilistic or statistical property of the forecast error, leading to consistent differences between actual outcomes and previously generated forecasts of those quantities
en-GB/ˈfɔːkɑːst ˈbaɪəs/
en-US/ˈfɔɹˌkæst ˈbaɪəs/
probabilistic or statistical property of the forecast error, leading to consistent differences between actual outcomes and previously generated forecasts of those quantities