mean absolute deviation

基本解釋

The mean absolute deviation of the calculation results by this method from the experiment data was 14.9%.
該算法的預測值與實驗數(shù)據(jù)相比，其平均絕對偏差為14．9％。
In this paper, based on the approach of a trade off between mean and absolute deviation, we investigate the portfolio performances of 169 A stocks in Shanghai stock market.
本文基于均值—絕對偏差的折中方法探討了上海股票市場1 69種股票的投資組合分析，得到了一些有益的啟示和結(jié)論。
We propose a mean semi-absolute deviation portfolio selection model with the restricted short selling. The model is a linear programming problem and is solved by the pivoting algorithm.
本文提出了限制性賣空的均值-半絕對偏差投資組合模型，通過變量替換將該模型轉(zhuǎn)變?yōu)橐话憔€性規(guī)劃問題，從而運用線性規(guī)劃的旋轉(zhuǎn)算法進行求解。