Exact(2)
Specifically, the obtained test statistic is interpreted relative to a distribution of test statistics generated by all possible random allocations.
The distance measurements between all pairs of control-1/16x MIC distributionsributions yield a distribution of test statistics values, resulting from random subsampling from the mother distributions (biological variability).
Similar(58)
We generated a large number of such datasets in order to obtain a distribution of shuffling test results to compare against the experimental dataset.
To estimate the number of false positives, we generated a distribution of null test statistics corresponding to an interaction term, while preserving the main effects of the SNP and exposure terms, using a parametric bootstrap method (Bůžková et al. 2011).
Ferguson demonstrated that a normal distribution of test scores would yield a coefficient of around 0.9, and a rectangular distribution, 1.0.
We considered the NTk statistics to have a greater reliability than the NEk statistics, given a limited number of unique permutations to construct a null distribution of test statistics.
To obtain the parameters of this null distribution, we permute the phenotype (and covariates) a small number of times (e.g. 10) to obtain a null distribution of test statistics.
To simulate a null distribution of test statistics, this procedure was repeated 100 times.
The implementation of the H/P/F grading, when applicable, used a fixed distribution of test scores to assign students into the honors group, such that honors assignments were restricted to a fixed percentage of students.
Therefore, to account for the possible pervasive purifying selection and the demographic effects, it is necessary to use an empirical distribution of test statistics from a large randomly selected data set in the genome, which avoids linkage disequilibrium, as the null distribution of the neutrality test (Nordborg et al. 2005; Schmid et al. 2005; Wright and Gaut 2005; Toomajian et al. 2006).
The assay is performed using a "sandwich" format in which dermal fibroblasts are plated at the interface between an upper and lower matrix compartment in the presence of an isotropic distribution of test mitogen.
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