the sign test

基本解释

One of the easiest nonparametric tests to use is the sign test.
然而，如下所述，这种简化了的符号容易引起混乱。
One of the easiest nonparametric tests to use is the sign test .
最简单的非参数检验是符号检验。
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This paper also discusses the sign test of multi_LV PLS algorithm.
以及在多个潜变量PLS算法上的符号检验。

I think it's the political implications of this missile test that are noteworthy-and that is that Iran views the talks as dead-it doesn't view the talks positively, and now it's bracing for sanctions and quite possibly for war, and this missile test is a sign that Iran takes the military option very seriously and is ready to reciprocate if it's attacked."

G8 countries, which have said India must sign the Comprehensive Test Ban Treaty, will now want Pakistan to sign as well.
ECONOMIST: India and Pakistan
Mr Clinton had hoped to persuade India and Pakistan, two antagonistic nuclear neighbours, to sign the test-ban treaty.
ECONOMIST: America’s world