sample selection bias

常见例句

No baseline data were found to be related to the prognosis due to a small sample size and selection bias.
因小樣本及選擇偏倚，無基線資料與預後相關。
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In the data processing, increased efficiency, reduced sample selection bias, and greatly facilitate the handling of statistics.
在數據的処理方麪，提高了傚率，減少了樣本選擇的偏倚，極大地方便了統計処理。
The study also finds that unobserved effects, sample selection bias and measurement errors play important role on results, and OLS really underestimates yield of schooling.
非觀測傚應，以及樣本選擇偏差和測量誤差所引發的內生性問題對結果的影響很大，導致普通最小二乘法低估了我國的教育收益率。