本文利用2004 - 2007年深交所上市公司的面板数据进行多元线性回归分析。
In this thesis, the panel data of Shenzhen Stock Exchange listed company from the year 2004 to 2007 is cited to make a multiple linear regression analysis.
我们还建立和估算了衡量产品线聚集度的指标，利用面板数据进行的最小二乘法回归分析，在一定程度上支持了理论假设。
We develop and estimate a new concentration index of product line under the segment markets. The results of regression with panel data partially support our theoretical hypothesis.
我们还建立和估算了衡量产品线聚集度的指标，利用面板数据进行的最小二乘法回归分析，在一定程度上支持了理论假设。
We develop and estimate a new concentration index of product line under the segment markets. The results of regression with panel data partially support our theoretical hypothesis.
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