各位老师,大家好!
小妹真是菜鸟级别的,搞了好几天都不明白啊!!!
我的论文是写银行效率比较以及对效率影响的因素,已经用DEAP2.1求出了各个银行的效率,现在想看影响银行效率的因素有哪些,目前找到了9个自变量,现在用eviews6.0算出了以下的矩阵,怎么判断哪些X之间是高度相关的呀?
我想先剔除一些因素,因为我只有5年的数据,用eviews做了一下,5年只能有3个x,好郁闷,请各位好心的老师麻烦解答一下系数矩阵的评价标准,谢谢!!!!
| | Correlation | | | | | | | | |
| Y | X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | X9 |
Y | 1 | 0.188232 | -0.790027 | 0.273905 | -0.64877 | 0.3909618 | 0.643202 | 0.3154955 | 0.6123935 | 0.2098697 |
X1 | 0.188232 | 1 | -0.339727 | 0.3096949 | -0.003542 | -0.20312 | 0.2067426 | -0.168886 | 0.0469955 | -0.468197 |
X2 | -0.790027 | -0.339727 | 1 | -0.197695 | 0.4806078 | -0.360425 | -0.356012 | 0.0522609 | -0.4118 | 0.0378258 |
X3 | 0.273905 | 0.3096949 | -0.197695 | 1 | -0.371224 | -0.330627 | 0.5549671 | -0.164634 | -0.085234 | 0.0078408 |
X4 | -0.64877 | -0.003542 | 0.4806078 | -0.371224 | 1 | 0.1472426 | -0.1475 | -0.605349 | -0.732534 | -0.69376 |
X5 | 0.3909618 | -0.20312 | -0.360425 | -0.330627 | 0.1472426 | 1 | 0.3769704 | -0.233809 | -0.058611 | -0.19317 |
X6 | 0.643202 | 0.2067426 | -0.356012 | 0.5549671 | -0.1475 | 0.3769704 | 1 | -0.232979 | -0.110869 | -0.19856 |
X7 | 0.3154955 | -0.168886 | 0.0522609 | -0.164634 | -0.605349 | -0.233809 | -0.232979 | 1 | 0.8800945 | 0.7173978 |
X8 | 0.6123935 | 0.0469955 | -0.4118 | -0.085234 | -0.732534 | -0.058611 | -0.110869 | 0.8800945 | 1 | 0.5809202 |
X9 | 0.2098697 | -0.468197 | 0.0378258 | 0.0078408 | -0.69376 | -0.19317 | -0.19856 | 0.7173978 | 0.5809202 | 1 |