| 下图是数据样图,我可以把这个数据框变成矩阵,但是,接着怎么去掉里面的极端值呢?即去掉最大和最小的5%数据,并以NA代替? | Afghanistan | Albania | Algeria | AmericanSamoa | Andorra | Angola |
| Afghanistan | NA | -1 | -0.174 | -1 | -1 | -1 |
| Albania | 6.906 | NA | -0.995 | -1 | -0.994 | -1 |
| Algeria | -0.999 | -0.855 | NA | -1 | -1 | -0.999 |
| AmericanSamoa | -1 | -0.997 | -1 | NA | -1 | -1 |
| Andorra | -1 | 4.11 | -0.552 | -1 | NA | -1 |
| Angola | -1 | -1 | -0.999 | -1 | -1 | NA |
| Anguilla | -1 | -1 | -1 | -1 | -1 | -0.985 |
| AntiguaandBarbuda | -1 | 0.612 | -1 | -1 | -1 | -1 |
| Argentina | -0.99 | -0.841 | 6.106 | -0.966 | -0.979 | 2.414 |
| Armenia | -0.925 | -0.996 | -1 | -1 | -1 | -1 |
| Aruba | -1 | -1 | -1 | -1 | -1 | -1 |
| Australia | -0.707 | -0.946 | -0.802 | 3.178 | -1 | -0.954 |
| Austria | -0.634 | 0.684 | -0.165 | -1 | -0.684 | -0.87 |
| Azerbaijan | 16.582 | 1.488 | -0.996 | -1 | -1 | -0.999 |
| Bahamas | -1 | -0.751 | -1 | -1 | -1 | -1 |
| Bahrain | -0.752 | -1 | 0.675 | -1 | -0.175 | -1 |


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