亲们,causality输出结果$instant中的瞬时因果关系检验是什么意思,他到底是检验什么的???
| $Granger | ||||
| Granger causality H0: yt do not Granger-cause xt | ||||
| data: VAR object var | ||||
| F-Test = 4.123 | df1 = 2 | df2 = 3898 | p-value = 0.01627 | |
| $Instant | ||||
| H0: No instantaneous causality between: yt and xt | ||||
| data: VAR object var | ||||
| Chi-squared = 0.34351 | df = 1 | p-value = 0.5578 |


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