随着沈阳经济区建设的推进,要想谋求经济区的飞速发展,带动东北老工业基地的腾飞,就必须制定相应的政策促进经济区各城市的协调发展,因此,制定发展政策之前首先应该明确当前各城市的发展梯度水平,本文将利用主成分回归的方法对沈阳经济区八个城市的综合发展梯度水平进行评价。 With the advancing construction of Shenyang Economic Zone, in order to seek the rapid development of the economic zone and promote the take-off of the northeast old industrial base, corresponding policies must be formulated to promote the coordinated development of all cities in the economic zone. Therefore, before formulating the development policy, we should first make clear At present, the gradient of development in all cities, this article will use the method of principal component regression to evaluate the gradient of comprehensive development in eight cities in Shenyang Economic Zone.