Results 241 to 250 of about 168,974 (306)

Nomogram for predicting significant rotation after plate-haptic toric intraocular lens implantation in a Chinese population. [PDF]

J Cataract Refract Surg
Lin X, Hua Z, Shen W, Zhuo B, Shen J, Zhang L, Bai L, Cai L, Yang J.   +8 more
europepmc   +1 more source

Fedorov algorithm-optimized chemometric spectrophotometry for cefepime-tazobactam microanalysis in plasma and pharmaceuticals with integrated MA and NQS sustainability assessment. [PDF]

Sci Rep
Gad AG, Kelani KM, Mahmoud AM, Arafa RM, Abbas AEF.   +4 more
europepmc   +1 more source

Toward Generalizable Estimation of Behavioral Models with Parameter Dependencies. [PDF]

Psychometrika
Broomell SB, Sloman SJ, He L.
europepmc   +1 more source

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Composite likelihood estimation in multivariate data analysis

Canadian Journal of Statistics, 2005
Summary: The authors propose two composite likelihood estimation procedures for multivariate models with regression/univariate and dependence parameters. One is a two-stage method based on both univariate and bivariate margins. The other estimates all the parameters simultaneously based on bivariate margins.
Zhao, Yinshan, Joe, Harry
openaire   +3 more sources

Robust Procedures in Multivariate Analysis I: Robust Covariance Estimation

Applied Statistics, 1980
SUMMARY The detection of atypical observations from multivariate data sets can be enhanced by examining probabilityplotsofMahalanobis squared distances using robust M-estimates of means and of covariances, rather than the usual maximum likelihood estimates.
N. Campbell
openaire   +2 more sources

Groupwise partial envelope model: efficient estimation in multivariate linear regression

Communications in statistics. Simulation and computation, 2021
In order to incorporate group information for different groups, we extend the partial envelopes (Su and Cook, Statistica Sinica 23:213–30, 2011) to the groupwise partial envelopes which can improve the efficiency of parameter estimation and enlarge the ...
Jing Zhang, Zhensheng Huang, Zhiqiang Jiang   +2 more
semanticscholar   +1 more source

Event Occurrence Date Estimation based on Multivariate Time Series Analysis over Temporal Document Collections

Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2021
Real world events are quite often mentioned in texts. Estimating the occurrence time of event mentions has many applications in IR, QA, general document understanding and downstream NLP tasks. In this paper we propose an approach to temporal profiling of
Jiexin Wang, A. Jatowt, Masatoshi Yoshikawa   +2 more
semanticscholar   +1 more source

MULTIVARIATE TAIL ESTIMATION WITH APPLICATION TO ANALYSIS OF COVAR

ASTIN Bulletin, 2013
AbstractThe quality of estimation of multivariate tails depends significantly on the portion of the sample included in the estimation. A simple approach involving sequential statistical testing is proposed in order to select which observations should be used for estimation of the tail and spectral measures. We prove that the estimator is consistent. We
Nguyen, Tilo, Samorodnitsky, Gennady
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Analysis of Uncertainties in Estimates of Components of Variance in Multivariate ROC Analysis

Academic Radiology, 2001
Solutions have previously been presented to the problem of estimating the components of variance in the general linear model used for multivariate receiver operating characteristic (ROC) analysis. The case where the variance components do not change across the modalities under comparison was first treated, followed by the case where they are permitted ...
S V, Beiden, R F, Wagner, G, Campbell, H P, Chan   +3 more
openaire   +2 more sources