Articles with "confidence intervals" as a keyword



Simulated Exact Confidence Intervals: With Applications to Censored Exponential Reliability Data

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Published in 2024 at "Applied Stochastic Models in Business and Industry"

DOI: 10.1002/asmb.2900

Abstract: A method for constructing exact simulated confidence intervals is presented, valid for situations with both discrete and continuous observations. The idea of the method is to invert a data generating function, which needs not be… read more here.

Keywords: intervals applications; exact confidence; simulated exact; confidence intervals ... See more keywords

Strictly conservative expected values in the case of heteroscedastic errors and their application to evidential breath alcohol confidence intervals for concentration measurements

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Published in 2018 at "Journal of Chemometrics"

DOI: 10.1002/cem.3029

Abstract: In this study, 2 different methods for determining strictly conservative confidence intervals for expected values in the case of heteroscedastic errors are presented. A conservative confidence interval means that a given false positive error rate… read more here.

Keywords: strictly conservative; confidence; expected values; case ... See more keywords

Point estimation, confidence intervals, and P‐values for optimal adaptive two‐stage designs with normal endpoints

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Published in 2024 at "Statistics in Medicine"

DOI: 10.1002/sim.10020

Abstract: Due to the dependency structure in the sampling process, adaptive trial designs create challenges in point and interval estimation and in the calculation of P‐values. Optimal adaptive designs, which are designs where the parameters governing… read more here.

Keywords: values optimal; estimation confidence; confidence intervals; optimal adaptive ... See more keywords

Confidence Intervals and Sample Size for the ICC in Two‐Way ANOVA Models

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Published in 2025 at "Statistics in Medicine"

DOI: 10.1002/sim.70106

Abstract: The reliability of measurement instruments is vital in fields like medicine and psychology, where these tools are often used for diagnostic purposes. In reliability studies where participants are assessed by the same set of raters,… read more here.

Keywords: two way; sample size; confidence intervals; medicine ... See more keywords

Confidence Intervals for AUC and pAUC by Empirical Likelihood

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Published in 2025 at "Statistics in Medicine"

DOI: 10.1002/sim.70192

Abstract: The area under the receiver operating characteristic curve (AUC) and Partial AUC (pAUC) are often used to measure the performance of medical diagnostic tests. Under nonparametric settings, we propose and illustrate in this paper a… read more here.

Keywords: empirical likelihood; confidence intervals; auc pauc; intervals auc ... See more keywords

Confidence intervals of the Mann-Whitney parameter that are compatible with the Wilcoxon-Mann-Whitney test.

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Published in 2018 at "Statistics in medicine"

DOI: 10.1002/sim.7890

Abstract: For the two-sample problem, the Wilcoxon-Mann-Whitney (WMW) test is used frequently: it is simple to explain (a permutation test on the difference in mean ranks), it handles continuous or ordinal responses, it can be implemented… read more here.

Keywords: confidence; confidence intervals; mann whitney; test ... See more keywords

Optimal confidence intervals for the relative risk and odds ratio

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Published in 2022 at "Statistics in Medicine"

DOI: 10.1002/sim.9617

Abstract: The relative risk and odds ratio are widely used in many fields, including biomedical research, to compare two treatments. Extensive research has been done to infer the two parameters through approximate or exact confidence intervals.… read more here.

Keywords: confidence; relative risk; confidence intervals; odds ratio ... See more keywords

Adjusted closed‐form confidence interval formulas for network meta‐analysis with a small number of studies

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Published in 2022 at "Statistics in Medicine"

DOI: 10.1002/sim.9626

Abstract: We derive simple formulas for closed‐form confidence intervals for the Wald statistic, likelihood ratio statistic, and score statistic for network meta‐analysis (NMA). Additionally, we consider resolutions of concerns that network meta‐analyzes with a small number… read more here.

Keywords: confidence; bartlett type; likelihood; type adjustment ... See more keywords

Which particles to select, and if yes, how many?

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Published in 2021 at "Analytical and Bioanalytical Chemistry"

DOI: 10.1007/s00216-021-03326-3

Abstract: Micro- and nanoplastic contamination is becoming a growing concern for environmental protection and food safety. Therefore, analytical techniques need to produce reliable quantification to ensure proper risk assessment. Raman microspectroscopy (RM) offers identification of single… read more here.

Keywords: window; raman microspectroscopy; quantification; confidence intervals ... See more keywords

Estimation of the Percentage of Aid Received from the Food Bank Using a Stratified Sampling

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Published in 2018 at "Social Indicators Research"

DOI: 10.1007/s11205-016-1514-z

Abstract: The interval estimate of the percentage of food received from the Food Bank with reference to household necessity is the main purpose of this article. A group of families having difficulty in purchasing enough food… read more here.

Keywords: sample; food bank; received food; confidence intervals ... See more keywords

Inference for constant-stress accelerated degradation test based on Gamma process

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Published in 2019 at "Applied Mathematical Modelling"

DOI: 10.1016/j.apm.2018.10.017

Abstract: Abstract This paper proposes a Gamma constant-stress accelerated degradation model based on the principle of the degradation mechanism invariance. The maximum likelihood estimators of the parameters of the proposed model are derived. Based on Cornish–Fisher… read more here.

Keywords: stress accelerated; confidence; constant stress; degradation ... See more keywords