摘要
根据《包头统计年鉴—2004》所提供的数据,给出了包头市种植业总产值对粮食、油料、甜菜、药材、蔬菜、青饲料播种面积的线性回归模型.
A linear regression model was given on the total value of agricultural output against the cultivated area of grain, oil plants, beet, medicinal material, vegetable and green fodder in Baotou according to the data provided by the Statistics Annals of Baotou to 2004.
出处
《包头钢铁学院学报》
2006年第4期401-402,共2页
Journal of Baotou University of Iron and Steel Technology
关键词
线性回归模型
LS估计
偏回归系数
liner regression model
least-squares estimator
partial regression coefficient
