基本解釋樣本選擇偏差英漢例句雙語(yǔ)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(wú)基線資料與預(yù)后相關(guān)。www.301xuebao.com.cnIn the data processing, increased efficiency, reduced sample selection bias, and greatly facilitate the handling of statistics.在數(shù)據(jù)的處理方面,提高了效率,減少了樣本選擇的偏倚,極大地方便了統(tǒng)計(jì)處理。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(cè)效應(yīng),以及樣本選擇偏差和測(cè)量誤差所引發(fā)的內(nèi)生性問題對(duì)結(jié)果的影響很大,導(dǎo)致普通最小二乘法低估了我國(guó)的教育收益率。sample selection bias更多例句專業(yè)釋義經(jīng)濟(jì)學(xué)樣本選擇偏誤