Weights matrix
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Name: W
Type: Imported (non-binary)
Row-standardized: Yes
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Moran's I
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Variables | I E(I) sd(I) z p-value*
--------------------+-----------------------------------------
x1 | . -0.033 . . .
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*2-tail test
这是我得出的全局莫兰指数图,I值没有是怎么回事啊,求求各位大佬给予帮助啊