It is worth emphasizing that a seemingly low r - squared does not necessarily mean that an ols regression equation is useless 在社会科学中，特别是在截面数据分析中,回归方程得到低的r -平方值并不罕见。
2.
I ran a screen of domestic stock funds with more than $ 10 billion in assets to find five big funds with low r - squared figures 经过对资产总值超过100亿美元的国内股票基金筛选，我发现了五只较大的低可决系数的基金。
