求各位帮帮忙，输入ranksum 变量1， by （变量）porder后出现结果Ho: NLR(twentyt==0) = NLR(twentyt==1) z = -5.592 Prob > |z| = 0.0000
P{NLR(twentyt==0) > NLR(twentyt==1)} = 0.378如何解读这个porder该如何理解谢谢啦