[PDF] Top 20 Power and sample size estimation in microarray studies
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Power and sample size estimation in microarray studies
... a microarray experiment, one important issue that needs to be determined is the number of arrays required in order to have adequate power to identify differentially expressed ...issues in the ... See full document
9
Exact interval estimation, power calculation, and sample size determination in normal correlation analysis
... coefficients and the ultimate aim of presenting exact procedures for correlation analysis, the purpose of this paper is to provide alternative solutions by exploiting the simplification of theoretical property ... See full document
12
Detecting Interaction Effects in Moderated Multiple Regression With Continuous Variables Power and Sample Size Considerations
... Taiwan In view of the long-recognized difficulties in detecting interactions among continuous vari- ables in moderated multiple regression analysis, this article aims to address the problem by ... See full document
20
Case recruitment in genetic association studies: Larger sample size or greater homogeneity? [1]
... , both types of affected cases should be recruited; otherwise, only the first type should be recruited. Case recruitment using this rule will achieve a higher statistical power (a proof is available from the ... See full document
1
Power and sample size calculations for multivariate linear models with random explanatory variables
... the power and sample size calculations within the framework of multivariate linear mod- els, this article provides updated description of existing methods of O’Brien and Shieh ...As ... See full document
12
A comparative study of power and sample size calculations for multivariate general linear models
... Sample size calculations and power analyses are often critical for researchers to address specific scientific hypotheses and confirm credible treatment ...tasks in a GEE setting. ... See full document
24
A unified approach to power calculation and sample size determination for random regression models
... fixed and random. The procedures for calculating power and sample size under the fixed regression models are well ...limited and has been confined to the case of all variables ... See full document
14
On tests of treatment-covariate interactions: An illustration of appropriate power and sample size calculations
... found in Table 3. Similar to the numerical assess- ments in Study I, Table 3 presents the computed sample sizes, estimated powers, simulated powers, and associated errors of the two competing ... See full document
15
Sample size determination for production yield estimation with multiple independent process characteristics
... indices and then making a conclusion on whether the given process is capable, is highly ...the sample size for desired estimation accuracy. The sample size is directly related to ... See full document
11
Sample size requirements for interval estimation of the strength of association effect sizes in multiple regression analysis
... conclusion in a simple hypothesis test, confi dence intervals are more informative about location and precision of the statistic, and they should be the best reporting strategy according to the ... See full document
6
The impact of ignoring random features of predictor and moderator variables on sample size for precise interval estimation of interaction effects
... contained in the joint probability function of continuous predictor and moderator variables in a simple interaction ...that sample size estimates for precise interval estimation ... See full document
10
Sample size calculations for logistic and Poisson regression models
... improving sample size calculations for logistic and Poisson regression models by incorporating the limiting value of the maximum likelihood estimates of nuisance param- eters under the composite null ... See full document
7
Sample size determinations for Welch's test in one-way heteroscedastic ANOVA
... 1 and Gwowen Shieh 2 * 1 Chung Yuan Christian University, Taiwan, Republic of China 2 National Chiao Tung University, Taiwan, Republic of China For one-way fixed effects ANOVA, it is well known that the ... See full document
22
Sample size determination for confidence intervals of interaction effects in moderated multiple regression with continuous predictor and moderator variables
... effects in behavior and related disciplines of social ...literature in the context of MMR concerns statistical power and sample size calculations of hypothesis tests for ... See full document
13
Sample size calculation based on exact test for assessing differential expression analysis in RNA-seq data
... Discussion In this research, we assume independent gene expression levels; however, this assumption may not hold in ...the sample size cal- culation for multi-group comparisons would be an ... See full document
7
Optimal sample sizes for precise interval estimation of Welch's procedure under various allocation and cost considerations
... the sample size needed to guarantee, with a given tolerance probability, that the half-width of a confidence interval will not exceed the planned ...conventional sample size calculations do ... See full document
11
Selection of Endpoints and Sample Size Estimation in Clinical Trials
... Selection of Endpoints and Sample Size Estimation in Clinical Trials.. Jen-pei Liu, Ph.D.[r] ... See full document
49
On power and sample size calculations for Wald tests in generalized linear models
... Table 1 Calculated sample sizes and estimates of actual power at speci:ed sample size for simple logistic regression with Bernoulli covariate The direct method.. The proposed methoda.[r] ... See full document
17
On power and sample size calculations for likelihood ratio tests in generalized linear models
... KEY WORDS: Generalized linear models; Likelihood ratio test; Logistic regression; Noncentral chi-square; Poisson regression; Sample size; Score test; Statistical power.. Intro[r] ... See full document
5
Power and sample size determinations for theWilcoxon signed-rank test
... nominal power and simulated ...nominal power and simulated power is also reported and is termed as error = nominal power − simulated ...power. In general, ... See full document
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