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Estimation of Required Sample Size

On the Index of Repeatability: Estimation and Sample Size Requirements

On the Index of Repeatability: Estimation and Sample Size Requirements

... components. Estimation of the index is derived from the one-way Analysis of Variance table based on the one-way random effects ...large sample variance of the estimator and assess its adequacy using ...

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IS 30 THE MAGIC NUMBER? ISSUES IN SAMPLE SIZE ESTIMATION

IS 30 THE MAGIC NUMBER? ISSUES IN SAMPLE SIZE ESTIMATION

... the required sample ...effect size, precision and variability affect sample ...sample size. Once these are understood, the researcher can estimate the required ...

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The effects of sample size on the estimation of regression mixture models

The effects of sample size on the estimation of regression mixture models

... increase required sample size because of the need to estimate more parameters without having much additional ...With sample sizes this small, there were many cases in which multiple classes ...

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STATISTICAL PATTERNS OF TRAFFIC DATA AND SAMPLE SIZE ESTIMATION

STATISTICAL PATTERNS OF TRAFFIC DATA AND SAMPLE SIZE ESTIMATION

... INTRODUCTION Sample size estimation is fundamental to traffic engineering ...Typically, sample size estimation is based on the standard deviation of the performance measure under ...

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Sample size estimation in diagnostic test studies of biomedical informatics

Sample size estimation in diagnostic test studies of biomedical informatics

... comparison. Sample size con- sideration was necessary and the power calculation would help in particular the difference between two diagnostic classifiers was not detected to be significant with achieved ...

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Sample size estimation and power analysis for clinical research studies

Sample size estimation and power analysis for clinical research studies

... minimum required sample size and application of appropriate sampling methods are extremely important in achieving scientifically and statistically sound ...adequate sample size along ...

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Sample size determination for estimation of sensor detection probabilities based on a test variable

Sample size determination for estimation of sensor detection probabilities based on a test variable

... and required sample sizes for estimating the probability of detection as a function of range to target for sensor systems as evaluated by the ...current estimation method used by the ...the ...

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Sample Size under Inverse Negative Binomial Group
Testing for Accuracy in Parameter Estimation

Sample Size under Inverse Negative Binomial Group Testing for Accuracy in Parameter Estimation

... optimal sample size for estimating the proportion of transgenic plants in a population, assuming perfect sensitivity and specificity, which must be taken into account when designing a ...the required ...

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Sample size re-estimation in paired comparative diagnostic accuracy studies with a binary response

Sample size re-estimation in paired comparative diagnostic accuracy studies with a binary response

... best sample size to specify at the interim, a possible balance to be struck be- tween a suitably large interim sample, which would increase the precision of the measure of conditional dependence, and ...

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Predicting sample size required for classification performance

Predicting sample size required for classification performance

... training sample size may be more important in active ...large sample size, eventually converge and thus diminish the advantage of active learning over passive ...uncertainty estimation, ...

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Sample size estimation is an important concern

Sample size estimation is an important concern

... Russ Lenth’s website (http://tinyurl.com/ yhrr695) covers a range of study designs, and allows the user to adjust the levels of power, mean difference etc, by dragging the cursor along a con- tinuum. However, this can ...

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Sample size for estimation of direct effects in path analysis of corn.

Sample size for estimation of direct effects in path analysis of corn.

... reduced sample sizes, in accordance with Petraitis et ...the sample size required for estimating direct effects was also observed depending on the explanatory variable for which the direct ...

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Effect of Varying Sample Size in Estimation of Coefficients of Internal Consistency

Effect of Varying Sample Size in Estimation of Coefficients of Internal Consistency

... Precision of measurement is one of the major issues, which is frequently quantified by the coefficients of reliability. The coefficient alpha, developed by Cronbach (1951), is the most commonly used index for estimating ...

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Sample Size Estimation In Cohort Studies For Testing Of Relative Risk

Sample Size Estimation In Cohort Studies For Testing Of Relative Risk

... In case of rare exposure, lesser number of people may be exposed to the factor and therefore study population consists of deliberate selection of larger exposed group (/highly exposed). As an involvement of large number ...

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Sample Size Estimation: How Many Individuals Should Be Studied? 1

Sample Size Estimation: How Many Individuals Should Be Studied? 1

... affecting sample size will result in more fruitful communication with the statistician and in better research ...also required to use one of the numerous Web pages (4 – 6) and computer programs (7–9) ...

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Determining the Sample size for Estimation of the CCC-R Control Chart Parameters Based on Estimation Costs

Determining the Sample size for Estimation of the CCC-R Control Chart Parameters Based on Estimation Costs

... parameter estimation and this could be an important issue in high quality processes because of low defective samples, thus a cost function is developed in this ...of estimation error and cost of inspecting ...

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COVARIATES AND SAMPLE SIZE EFFECTS ON PARAMETER ESTIMATION FOR BINARY LOGISTIC REGRESSION MODEL

COVARIATES AND SAMPLE SIZE EFFECTS ON PARAMETER ESTIMATION FOR BINARY LOGISTIC REGRESSION MODEL

... parameter estimation in binary logistic regression ...the estimation of parameters is severely affected by small sample ...when sample size ...data, sample size smaller ...

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Sample Size Calculations for Population Size Estimation Studies Using Multiplier Methods With Respondent Driven Sampling Surveys

Sample Size Calculations for Population Size Estimation Studies Using Multiplier Methods With Respondent Driven Sampling Surveys

... the sample size required via the impact on P, as shown in Table 1 and Figure 3, which assume a population of 15,000 FSW in ...given sample size, the width of the 95% CI will increase if ...

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Sample Size Calculations for Population Size Estimation Studies Using Multiplier Methods With Respondent Driven Sampling Surveys

Sample Size Calculations for Population Size Estimation Studies Using Multiplier Methods With Respondent Driven Sampling Surveys

... be required, though in a previous population size estimation study of 9 communities in Zimbabwe, we found evidence of high homophily by program attendance for some sites but not all ...

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Sample Size Calculations for Population Size Estimation Studies Using Multiplier Methods With Respondent-Driven Sampling Surveys.

Sample Size Calculations for Population Size Estimation Studies Using Multiplier Methods With Respondent-Driven Sampling Surveys.

... our sample size calculations, but it is possible that a higher value would be more ...be required, though in a previous population size estimation study of 9 communities in Zimbabwe, we ...

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