null hypothesis 中文意思是什麼

null hypothesis 解釋
歸零假說
  • null : adj 1 無效力的,無束縛力的。2 無效的,無用的,無益的;無價值的。3 沒特徵[個性]的,沒表情的。4 〈...
  • hypothesis : n. (pl. -ses )1. 假設;假說。2. 【邏輯學】前提。
  1. The city manager should accept the null hypothesis that there is no difference between the two methods of tax listing.

    市政府官員應該接受兩種征稅登記方法沒有差別這個無效假設。
  2. As a result, the denominator and numerator should be about equal if the null hypothesis is true.

    因此,如果無效假設為真,那麼分母和分子應該差不多相等。
  3. Compared with the hypothesis tests and sampling inspections for normal distribution, the confidence tests can overcome the disadvantage that to accept a null hypothesis may simply mean that it is not rejected by significance hypothesis tests, and greatly improve the test precision

    置信檢驗克服了顯著性假設檢驗在接受原假設時缺乏說服力的弱點,能夠以高概率判斷正態母體特徵值是否滿足工程中規定的條件。
  4. The term null hypothesis arose from earlier agricultural and medical applic ation of statistics.

    無效假設這個概念產生於早期的統計學在農業和醫學方面的應用中。
  5. The likelihood ratio tests indicate the null hypothesis of exact linear aggregations and identical preferences across income groups are rejected by the sample data

    檢定統計量概似比值顯示樣本資料拒絕需求模式設定?線性加總,和不同所得組別需求偏好結構是一致之虛無假說。
  6. The null hypothesis is that ? 1 - ? 2 = 0 where ? 1 is the mean time to respond after consuming alcohol and ? 2 is the mean time to respond otherwise

    當? 1表示喝酒者的平均反應時間,而? 2表未喝酒者的平均反應時間,則此虛無假設為? 1 - ? 2 = 0 。
  7. You pop out an interesting topic ; the rest add values and opinions to it ( not simply overthrow your null hypothesis ; and i don ' t think that anybody treats it a null hypothesis )

    在論壇里,你提出一個讓大家感興趣的題目,大家七嘴八舌的發表自己相關的看法(並不是推翻的你的虛無假設,況且你的題目是不是一個嚴格的虛無假設還待商榷) 。
  8. The limiting distribution of test statistic under null hypothesis is proved to be the function of a standard brownian

    在原假設下證明了統計量的極限分佈是標準brown運動的泛函。
  9. The limiting distribution of the test under null hypothesis is obtained. the number of change points can be estimated via the test procedure. we showed that the estimator is consistent

    在原假設下得到檢驗統計量的極限分佈;在假設檢驗過程中得到變點個數與變點位置的估計,並證明估計的一致性。
  10. It is difficult to refuse null hypothesis of random walk when employing monthly data in empirical test

    ( 2 )採用月數據分析很難拒絕隨機遊走假設。
  11. Whenever we reject the null hypothesis, the conclusion we do accept is called the alternative hypothesis.

    無論何時,拒絕無效假設時,我們所接受的結論叫做備擇假設。
  12. If the probability of obtaining a t statistic is low, then you can reject the null hypothesis that the mean is the best predictor and, correspondingly, gain confidence that a simple linear model offers a good fit for the data

    如果獲取t統計值的概率很低,那麼您可以否定均值是最佳預測值這個無效假設,與此相對應,也就確信簡單線性模型與數據非常吻合。
  13. If this increase is large enough relative to the ssr in the model with all of the variables, then we can reject the null hypothesis

    如果相對于包括所有解釋變量的模型,新的ssr的上升足夠大的話,那麼我們就能拒絕原假設
  14. The a - level is the probability of rejecting the null hypothesis when the null hypothesis is really true, that is, finding a significant association when one does not really exist

    水平,是當0假設為真時拒絕0假設的概率,即,在某事件並非真的成立時所找出的有意關聯。
  15. In the first case the prediction of earthquakes is a null hypothesis ; in the second case the prediction of some earthquakes might be possible

    在頭一種情況下,預測地震是無價值的假定;在後一種情況下,對某些地震進行預測是有可能的。 」
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