نتایج جستجو برای: sample sign test
تعداد نتایج: 1198171 فیلتر نتایج به سال:
This paper proposes a simple goodness-of-fit test based on the sample covariance. It is shown that this test is preferable for alternatives of increasing and unimodal failure rate. Critical values for various sample sizes are determined by means of Monte Carlo simulations. We compare the test based on the sample covariance with tests based on Hoeffding's maximum correlation. The usefulness o...
the skill of reading in english as a foreign language is an important and challenging one which is affected both by linguistic and extra linguistic factors. since vocabularies are part and parcel of every reading comprehension text, knowing enough vocabulary always facilitates this process. however, guessing strategy as one of the most important strategies has consistently ignored by language l...
Fibroproliferative diseases are common complex traits featuring scarring and overgrowth of connective tissue which vary widely in presentation because they affect many organ systems. Most fibroproliferative diseases are more prevalent in African-derived populations than in European populations, leading to pronounced health disparities. It is hypothesized that the increased prevalence of these d...
چکیده مقدمه و اهداف: حیوان گزیدگی انسان از شایعترین مشکلات بهداشت عمومی در دنیا است که اهمیت آن به دلایل شیوع بالا، عوارض آن و مهمتر از همه به دلیل خطر انتقال بیماری هاری می باشد. این مطالعه با هدف طراحی و تدوین بسته آموزشی پیشگیری و ارزشیابی تاثیر این بسته بر دانش رابطین بهداشت شهری فریمان انجام شد. روش کار: در مرحله اول، برای تدوین بسته آموزشی، مطالعه توصیفی مقطعی انجام شد. جامعه پژوهش این ...
This paper develops a modified version of the Sargan (1958, Econometrica 26(3): 393-415) test statistic of overidentifying restrictions, and shows that it is numerically equivalent to the test statistic of Hahn and Hausman (2002, Econometrica 70(1): 163-189) up to a sign. The modified Sargan test is constructed such that its asymptotic distribution under the null hypothesis of correct specifica...
In group average analyses, we generalize the classical one-sample t test to account for heterogeneous within-subject uncertainties associated with the estimated effects. Our test statistic is defined as the maximum likelihood ratio corresponding to a Gaussian mixed-effect model. The test's significance level is calibrated using the same sign permutation framework as in Holmes et al., allowing f...
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