Results 281 to 290 of about 58,542 (312)
An estimate of the measurement bias in the HICP [PDF]
, 2005 This paper provides an estimate of the measurement bias in the Harmonised Index of Consumer Prices (HICP) that the European Central Bank uses to define price stability in the euro area. The estimate is based on a comparison of the rate of increase in consumer prices as measured by the HICP and the responses to a question about recent changes in the ...
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Estimating an roc curve in the presence of non-ignorable verification bias
Communications in Statistics - Theory and Methods, 1998Verification bias can occur in studies of test's accuracy if only some of tested patients receive disease verification. The current methods for correcting for verification bias assume conditional independence for verification, which means that the probability of verifying a patient depends only on the test result, not on the unobserved disease status ...
Xiao-Hua Zhou, C.A. Rodenberg
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An efficient shrinkage bootstrap bias estimator for smooth functions of sample means
Computational Statistics, 2005For a multivariate i.i.d. sample with sample mean \(\bar X\) and (unknown) theoretical mean \(\mu\), a parameter \(\vartheta=g(\mu)\) is considered where \(g\) is a smooth function. The estimate for \(\vartheta\) is \(T=g(\bar X)\) . The usual bootstrap bias estimator for \(T\) is \(\widehat{bias}=B^{-1}\sum_{b=1}^B U^*_b\), where \(U^*_b=g(\bar X^*_b)-
Muñoz-Reyes, A. +3 more
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The bias of an estimate of coupled slack in stochastic PERT networks
Journal of Mathematical Psychology, 1982Abstract An earlier paper presented a method for using response times to construct a PERT network representing the mental activities in a task. A key role in this method is played by parameters called coupled slacks. The magnitudes of the coupled slacks are used to test the validity of a PERT model and to deduce aspects of the structure of the ...
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Computational Economics, 2003
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Holly, Sean, Turner, Paul, Weeks, Melvyn
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zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Holly, Sean, Turner, Paul, Weeks, Melvyn
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Journal of Clinical Epidemiology, 2006
To assess the effect of publication bias and country effect on the results and conclusion of a systematic review of wrist P6 acupoint stimulation for the prevention of postoperative nausea and vomiting.Reanalysis of a systematic review of 26 randomized trials comparing P6 acupoint stimulation with sham published in the Cochrane Database of Systematic ...
Anna, Lee +4 more
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To assess the effect of publication bias and country effect on the results and conclusion of a systematic review of wrist P6 acupoint stimulation for the prevention of postoperative nausea and vomiting.Reanalysis of a systematic review of 26 randomized trials comparing P6 acupoint stimulation with sham published in the Cochrane Database of Systematic ...
Anna, Lee +4 more
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Bias in estimation of the sampling variance of an estimate of heritability
Journal of Heredity, 1982Ellen M. Funkhouser, M. Grossman
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SSRN Electronic Journal, 2017
Histogram-based entropy estimation is well known for its computational efficiency and using bootstrap method to estimate its bias is widely accepted. However, when we apply it to entropy estimator constructed by "plug-in" method, we have to use histogram to estimate its pdf at first.
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Histogram-based entropy estimation is well known for its computational efficiency and using bootstrap method to estimate its bias is widely accepted. However, when we apply it to entropy estimator constructed by "plug-in" method, we have to use histogram to estimate its pdf at first.
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An observation on the bias in clinic-based estimates of malnutrition rates [PDF]
, 1991 Clinic-based data on malnutrition are the most readily available for following malnutrition levels and trends in most countries, but there is a bias inherent in clinic-based estimates of malnutrition rates. The authors compare annual clinic-based malnutrition data and those from four household surveys in Jamaica. The clinic data give lower estimates of
Grosh, Margaret E. +2 more
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