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Data, Sample, and Sample Size

STATISTICAL PATTERNS OF TRAFFIC DATA AND SAMPLE SIZE ESTIMATION

STATISTICAL PATTERNS OF TRAFFIC DATA AND SAMPLE SIZE ESTIMATION

... the sample size calculation process ...traffic data and may be inadequate for operations and intelligent transportation system (ITS) ...a sample instead of its standard ...

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Rasch fit statistics and sample size considerations for polytomous data

Rasch fit statistics and sample size considerations for polytomous data

... The presence of underfitting items in instruments may have a potentially significant impact by severely degrading the measures, whereas overfitting items will tend to over- estimate differences in raw scores [11]. The ...

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Sample size determination for mediation analysis of longitudinal data

Sample size determination for mediation analysis of longitudinal data

... effects size estimates are just estimates, not the true values, so uncertainty needs to be considered in the effect size estimates for sample size ...and sample size for ...

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AN ALGORITHM FOR REDUCING THE DIMENSION AND SIZE OF A SAMPLE FOR DATA EXPLORATION PROCEDURES

AN ALGORITHM FOR REDUCING THE DIMENSION AND SIZE OF A SAMPLE FOR DATA EXPLORATION PROCEDURES

... and sample size, also in comparison with alternative solutions available in the ...both data sets obtained from repositories and the literature, as well as those generated pseudorandomly with various ...

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Power and sample size in multilevel modeling

Power and sample size in multilevel modeling

... on sample size and other design aspects; on effect size or, more generally, parameter values; and on the level of ...a sample size for each level, defined as the total number of units ...

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Sample Size Guideline for Correlation Analysis

Sample Size Guideline for Correlation Analysis

... Methodology Sample size for correlation was generated using Power Analysis and Sample Size Software (PASS) version ...11.0. Sample size calculations were conducted for one ...

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High dimension, low sample size data analysis

High dimension, low sample size data analysis

... the data vectors, which are generated from two classes, to two distinct values, one for each ...Maximal Data Piling (MDP) direction lies within the hyperplane generated by all the data vectors, while ...

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An Improved Algorithm for Imbalanced Data and Small Sample Size Classification

An Improved Algorithm for Imbalanced Data and Small Sample Size Classification

... This work is licensed under the Creative Commons Attribution International License (CC BY). http://creativecommons.org/licenses/by/4.0/ Abstract Traditional classification algorithms perform not very well on imbalanced ...

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Sample size calculations and normalization methods for RNA-seq data.

Sample size calculations and normalization methods for RNA-seq data.

... RNA-seq data. These two sample size methods based on a two-sided Wald’s test are presented under a wide range of settings including the imbalanced design and unequal read depth, which is applicable ...

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Sample size matters: investigating the effect of sample size on a logistic regression susceptibility model for debris flows

Sample size matters: investigating the effect of sample size on a logistic regression susceptibility model for debris flows

... different sample sizes in light of the following problem: on the one hand, a sample has to be large enough to cover the variability of geofactors within the study area, and to yield stable and reproducible ...

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Sample size: How many is enough?

Sample size: How many is enough?

... all data are collected while a participant is a hospital in-patient and the mortality rate of the patient group is low, then attrition is likely to be ...month sample may be significantly smaller than the ...

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Sample size recommendation for a bioequivalent study

Sample size recommendation for a bioequivalent study

... simulated data for which the drugs are bioequivalent for one study and not bioequivalent for other ...small sample size we are able to prove ...simulated data, instead of high power, aiming ...

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Fixed Sample Size as an Internal Control

Fixed Sample Size as an Internal Control

... 3. Research Methods Type of Research The method used in this study is a mixed method. Furthermore, this study uses the exploratory sequential mixed method. According to (J. W. Creswell, 2014) exploratory sequential mixed ...

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Sample size determination for Cp comparisons

Sample size determination for Cp comparisons

... to which Montgomery [6] referred as process capability ratio. Notice that C p concerns only the spread of a process not the process mean at all. So, it provides valuable information only when the mean is on tar- get. The ...

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Sample size estimation is an important concern

Sample size estimation is an important concern

... The Obstetrics and Gynaecology site of the Chinese University of Hong Kong (http://tinyurl. com/yep8bfz) has a ‘statistics toolbox’, which includes a sample size menu. It includes a range of study designs ...

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Sample Size in Arabic Authorship Verification

Sample Size in Arabic Authorship Verification

... 2.2 Arabic Authorship Verification AV tasks are often seen as AA tasks with the added complication that there is only one author to consider. A reasonable and successful approach in AA is to build a profile of certain ...

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Sample Size in Arabic Authorship Verification

Sample Size in Arabic Authorship Verification

... Available data is only a corpus of work by a single author, and a single document of questionable attribution to that author (Stamatatos, 2009). To handle the challenge of the absence of negative evidence, two ...

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Adapting the Sample Size in Texture Synthesis

Adapting the Sample Size in Texture Synthesis

... The constant K 1 , K 2 , and C of the model are estimated by minimizing the distance between human and calculated responses of the experimental results. This estimation is done for each spatial dependence model using a ...

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Sample size calculations for skewed distributions

Sample size calculations for skewed distributions

... available data. More generally, gamma GLMs are commonly used for analysis of data on costs and length of stay in health fa- cilities ...cost data, analysis of arithmetic mean is statistically valid, ...

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Sample Size Issues for Conjoint Analysis

Sample Size Issues for Conjoint Analysis

... result, sample sizes are typically larger than with ACA or traditional ratings-based con- joint, and choice-based conjoint (CBC) results have traditionally been analyzed by aggregating ...a sample ...

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