But if the P value's larger, it doesn't.
但是如果 P 值再大一点,那就不行了。
单词 | P value |
释义 |
P value
原声例句
连线杂志 But if the P value's larger, it doesn't. 但是如果 P 值再大一点,那就不行了。 连线杂志 From AjaoSeyi, says, " How best can a statistician explain P value to a non statistician? " 来自 AjaoSeyi,统计学家如何最好地向非统计学家解释 P 值? 连线杂志 And if that P value is pretty high, you know, maybe there was a 40% chance that they would've gotten better even without the treatment, we haven't really proved anything. 如果 P 值非常高,也许即使没有治疗,他们也有 40% 的机会会好转,那么我们什么都没有证明。 连线杂志 The basic idea of a P value is the idea of what is the probability that the thing you just observed would've happened just by pure chance if there was no true effect? P 值的基本概念是,如果没有真正的影响,你刚刚观察到的事情纯偶然发生的概率是多少? 可汗学院:统计学(视频版) So if I want the probability of this random variable right here being greater than 2.41, or its p value, we read it right here. 因此,如果我希望这里的这个随机变量的概率大于 2.41 或其 p 值,我们就在这里读取它。 连线杂志 Yeah, but how much more and the P value question would be, what's the probability if we hadn't given any treatment that that same number or more of the people would still have gotten better? 是的,但是会多多少呢,而 P 值的问题会是,如果我们没有进行治疗,那么会有相同人数的人或者更多的人会好转吗? 可汗学院:统计学(视频版) And so most of these chi-squared-- the reason why we have these weird numbers like this instead of whole numbers or easy-to-read fractions is it is actually driven by the p value. 所以这些卡方中的大部分——我们之所以有这些奇怪的数字,而不是整数或易于阅读的分数,是因为它实际上是由 p 值驱动的。
英语百科
p-value![]() ![]() ![]() In frequentist statistics, the p-value is a function of the observed sample results (a test statistic) relative to a statistical model, which measures how extreme the observation is. Statistical hypothesis tests making use of p-values are commonly used in many fields of science and social sciences, such as economics, psychology, biology, criminal justice and criminology, and sociology. Their use has been a matter of considerable controversy. |
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