biased downward meaning in English

向下偏倚

But after gii - c4 model is chosen as the best model , chinese funds demonstrate no positive timing ability too , but do n ' t biased downward anymore . in a whole we can say that they have neutral timing ability
根据该模型双周数据的46个回归结果，我们得出的结论是:我国基金不具有正向时机选择能力，但也未表现出明显的负向时机选择能力，整体表现为中性时机选择能力。
Using the longest data and newey - west method , we do the empirical test . some interesting results are reported . from the 1 , 242 regressions , chinese funds not only show no positive timing ability but also bias downward with certain significance
根据27个回归方程的1 ， 242个回归结果，我们得出的结论是:我国基金不具有正向时机选择能力，整体表现出一定程度显著的负向偏移的特征。