求解:下面的结果是什意思?
VAR Granger Causality/Block Exogeneity Wald Tests
Date: 02/16/14 Time: 09:46
Sample: 1 92
Included observations: 90
Dependent variable: RS
Excluded Chi-sq df Prob.
GZD 15.84604 2 0.0004
All 15.84604 2 0.0004
Dependent variable: GZD
Excluded Chi-sq df Prob.
RS 0.986200 2 0.6107
All 0.986200 2 0.6107