求教!用stata单一样本wilcoxon符号秩检验,得到如下结果,查了相关资料还是有不太清楚的,想知道最后一行表示的是P值吗?
Wilcoxon signed-rank test
sign | obs sum ranks expected
-------------+---------------------------------
positive | 144 19597 15939
negative | 108 12281 15939
zero | 0 0 0
-------------+---------------------------------
all | 252 31878 31878
unadjusted variance 1341532.50
adjustment for ties -0.25
adjustment for zeros 0.00
----------
adjusted variance 1341532.25
Ho: DACC1 = 0
z = 3.158
Prob > |z| = 0.0016
还是说用如下命令得到的才是该检验的P值?
scalar P_value=2*normal(r(z))
scalar list P_value
P_value = 1.9984127
感谢指点!


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