Found 348 Documents (Results 1–100)
Sufficient dimension reduction for a novel class of zero-inflated graphical models. (English) Zbl 07881772
MSC:
62-08
Pairwise share ratio interpretations of compositional regression models. (English) Zbl 07881762
MSC:
62-08
A monotone single index model for missing-at-random longitudinal proportion data. (English) Zbl 07880712
Investigating zero-state and steady-state performance of MEWMA-coda control chart using variable sampling interval. (English) Zbl 07880707
MSC:
62-XX
A flexible Bayesian tool for CoDa mixed models: logistic-normal distribution with Dirichlet covariance. (English) Zbl 1541.62013
Compositional PLS biplot based on pivoting balances: an application to explore the association between 24-h movement behaviours and adiposity. (English) Zbl 07876400
MSC:
62-08
Compositional inverse Gaussian models with applications in compositional data analysis with possible zero observations. (English) Zbl 07862332
Metric statistics: exploration and inference for random objects with distance profiles. (English) Zbl 1539.62359
A robust knockoff filter for sparse regression analysis of microbiome compositional data. (English) Zbl 07847877
MSC:
62-08
Spherical autoregressive models, with application to distributional and compositional time series. (English) Zbl 07814008
Parametric Lie group structures on the probabilistic simplex and generalized compositional data. (English) Zbl 07787752
Reviewer: Laura Geatti (Roma)
MSC:
22E15
Selective pivot logratio coordinates for partial least squares discriminant analysis modelling with applications in metabolomics. (English) Zbl 07858716
MSC:
62-XX
Interpretation of coal compositional data on whole-coal versus ash bases through the weighted symmetric pivot coordinates method. (English) Zbl 1533.62077
Classification of probability density functions in the framework of Bayes spaces: methods and applications. (English) Zbl 1533.62083
MSC:
62R10
Simple enough, but not simpler: reconsidering additive logratio coordinates in compositional analysis. (English) Zbl 1533.62039
40 years after Aitchison’s article “The statistical analysis of compositional data”. Where we are and where we are heading. (English) Zbl 1533.62047
Robust signal recovery for high-dimensional linear \(\log\)-contrast models with compositional covariates. (English) Zbl 1531.62137
MSC:
62P20
Aitchison’s compositional data analysis 40 years on: a reappraisal. (English) Zbl 07792873
MSC:
62-XX
The integrated nested Laplace approximation for fitting Dirichlet regression models. (English) Zbl 07792020
MSC:
62-XX
A Bayesian group selection with compositional responses for analysis of radiologic tumor proportions and their genomic determinants. (English) Zbl 07789417
MSC:
62Pxx
A zero-inflated logistic normal multinomial model for extracting microbial compositions. (English) Zbl 07784913
MSC:
62-XX
Three approaches to supervised learning for compositional data with pairwise logratios. (English) Zbl 07778560
MSC:
62-XX
Statistical matching of sample survey data: application to integrate Iranian time use and labour force surveys. (English) Zbl 1527.62005
Robust shape matrix estimation for high-dimensional compositional data with application to microbial inter-taxa analysis. (English) Zbl 07767620
MSC:
62-XX
Score matching for compositional distributions. (English) Zbl 07751810
MSC:
62-XX
Compositional graphical lasso resolves the impact of parasitic infection on gut microbial interaction networks in a zebrafish model. (English) Zbl 07751781
MSC:
62-XX
Small area estimation of average compositions under multivariate nested error regression models. (English) Zbl 1520.62005
Extending compositional data analysis from a graph signal processing perspective. (English) Zbl 07740027
Stability of principal components under normal and non-normal parent populations and different covariance structures scenarios. (English) Zbl 07739593
MSC:
62-XX
Vector random fields on the probability simplex with metric-dependent covariance matrix functions. (English) Zbl 1517.60055
Compositional cubes: a new concept for multi-factorial compositions. (English) Zbl 07697741
MSC:
62-XX
Can the compositional nature of compositional data be ignored by using deep learning approaches? (English) Zbl 07922640
Salvati, Nicola (ed.) et al., Studies in theoretical and applied statistics. SIS 2021. Selected papers based on the presentations at the 50th scientific meeting of the Italian Statistical Society, virtual, June 21–25, 2021. Cham: Springer. Springer Proc. Math. Stat. 406, 151-166 (2022).
MSC:
62-XX
Lagrangian and Hamiltonian dynamics for probabilities on the statistical bundle. (English) Zbl 1533.53017
Dirichlet composition distribution for compositional data with zero components: an application to fluorescence in situ hybridization (FISH) detection of chromosome. (English) Zbl 1523.62219
MSC:
62P10
Robust prediction of domain compositions from uncertain data using isometric logratio transformations in a penalized multivariate Fay-Herriot model. (English) Zbl 1541.62035
Weighting of parts in compositional data analysis: advances and applications. (English) Zbl 1522.62004
Modeling geospatial uncertainty of geometallurgical variables with Bayesian models and Hilbert-kriging. (English) Zbl 1522.86022
A transformation-free linear regression for compositional outcomes and predictors. (English) Zbl 1520.62197
MSC:
62P10
Bayesian multinomial logistic normal models through marginally latent matrix-T processes. (English) Zbl 07625160
MSC:
68T05
An endemic-epidemic beta model for time series of infectious disease proportions. (English) Zbl 07611126
MSC:
62-XX
Testing for differential abundance in compositional counts data, with application to microbiome studies. (English) Zbl 1498.62194
Higher-order asymptotic refinements in the multivariate Dirichlet regression model. (English) Zbl 07553298
Regression analysis with compositional data using orthogonal log-ratio coordinates. (English) Zbl 1524.62315
Low-rank matrix denoising for count data using unbiased Kullback-Leibler risk estimation. (English) Zbl 07476353
Proportional inverse Gaussian distribution: a new tool for analysing continuous proportional data. (English) Zbl 1521.62028
Compositional knockoff filter for high-dimensional regression analysis of microbiome data. (English) Zbl 1520.62329
MSC:
62P10
Bayesian compositional regression with structured priors for microbiome feature selection. (English) Zbl 1520.62397
MSC:
62P10
Diet quality and food sources in Vietnam: first evidence using compositional data analysis. (English) Zbl 07645419
Daouia, Abdelaati (ed.) et al., Advances in contemporary statistics and econometrics. Festschrift in honor of Christine Thomas-Agnan. Cham: Springer. 547-570 (2021).
MSC:
62P20
Independent component analysis for compositional data. (English) Zbl 07645418
Daouia, Abdelaati (ed.) et al., Advances in contemporary statistics and econometrics. Festschrift in honor of Christine Thomas-Agnan. Cham: Springer. 525-545 (2021).
MSC:
62P20
Log-contrast and orthonormal log-ratio coordinates for compositional data with a total. (English) Zbl 07645417
Daouia, Abdelaati (ed.) et al., Advances in contemporary statistics and econometrics. Festschrift in honor of Christine Thomas-Agnan. Cham: Springer. 509-524 (2021).
MSC:
62P20
A spatial durbin model for compositional data. (English) Zbl 07645415
Daouia, Abdelaati (ed.) et al., Advances in contemporary statistics and econometrics. Festschrift in honor of Christine Thomas-Agnan. Cham: Springer. 471-488 (2021).
MSC:
62P20
Logratio approach to distributional modeling. (English) Zbl 07645414
Daouia, Abdelaati (ed.) et al., Advances in contemporary statistics and econometrics. Festschrift in honor of Christine Thomas-Agnan. Cham: Springer. 451-470 (2021).
MSC:
62P20
Spatial autocorrelation in econometric land use models: an overview. (English) Zbl 07645409
Daouia, Abdelaati (ed.) et al., Advances in contemporary statistics and econometrics. Festschrift in honor of Christine Thomas-Agnan. Cham: Springer. 339-362 (2021).
MSC:
62P20
Recent advances in the elicitation of uncertainty distributions from experts for multinomial probabilities. (English) Zbl 1495.91046
Hanea, Anca M. (ed.) et al., Expert judgement in risk and decision analysis. Cham: Springer. Int. Ser. Oper. Res. Manag. Sci. 293, 19-51 (2021).
MSC:
91B06
Partial least squares regression with compositional response variables and covariates. (English) Zbl 1521.62281
MSC:
62-XX
Compositional scalar-on-function regression with application to sediment particle size distributions. (English) Zbl 1477.86033
Analysing pairwise logratios revisited. (English) Zbl 1477.86029
MSC:
86A32
Identification of mineralization in geochemistry Along a transect based on the spatial curvature of log-ratios. (English) Zbl 1477.86030
Sliced inverse regression method for multivariate compositional data modeling. (English) Zbl 1477.62101
A multivariate test for detecting fraud based on Benford’s law, with application to music streaming data. (English) Zbl 1479.60031
A reconciliation of the top-down and bottom-up approaches to risk capital allocations: proportional allocations revisited. (English) Zbl 1479.91321
Dimension reduction for longitudinal multivariate data by optimizing class separation of projected latent Markov models. (English) Zbl 1474.62208
Can a regulatory risk measure induce profit-maximizing risk capital allocations? The case of conditional tail expectation. (English) Zbl 1475.91313
Exploratory analysis of geochemical data and inference of soil minerals at sites across Canada. (English) Zbl 1472.86021
MSC:
86A32
Weighted symmetric pivot coordinates for compositional data with geochemical applications. (English) Zbl 1465.86012
MSC:
86A32
Quantum Aitchison geometry. (English) Zbl 1509.81031
Discriminant analysis for compositional data incorporating cell-wise uncertainties. (English) Zbl 1458.86014
Wasserstein \(F\)-tests and confidence bands for the Fréchet regression of density response curves. (English) Zbl 1461.62118
Measuring discontinuities in time series obtained with repeated sample surveys. (English) Zbl 07776783
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