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Number of visits: 57766

Wednesday, May 11th

09:00 - 11:00
Descriptive Methods I WeM1
Room: Auditorium
Chair: Juan José Egozcue
Invited Lecture
Compositional Data, Bayesian Inference and the Modeling Process

J. Bacon-Shone

Use of Survey Weights for the Analysis of Compositional Data: Some Simulation Results
M. Graf

Unmixing Compositional data with Bayesian Techniques
R. Tolosana-Delgado

Could CODA Methodology be Useful in Control Chart Techniques?
M. Vives-Mestres, J. Daunis-i-Estadella, J.A. Martín-Fernández

11:00 - 11:30

11:30 - 13:30
Descriptive Methods II WeM2
Room: Auditorium
Chair: Michael Greenacre
Two More Things about Compositional Biplots: Quality of Projection and Inclusion of Supplementary Elements
J. Daunis-i-Estadella, S. Thió-Henestrosa, G. Mateu-Figueras

Applying compositions and fuzzy compositions in Decision-making
J. Talasova, O. Pavlacka

Principal Balances
V. Pawlowsky-Glahn, J.J. Egozcue, R. Tolosana-Delgado

Morphometrics and Compositional Classes. The Stuy of Anthropomorphic Sculptures from Teotihuacan (México)
J. Buxeda i Garrigós, A. Vilallonga Gordaliza

Three-way Compositional Data Analysis
M. Gallo

Graphing and Communicating Compositional Data in High Dimensions (poster)
H.-F Ulbrich

Compositional Classes and Diversity in Archaeological Ceramic Studies (poster)
J. Buxeda i Garrigós

Pluviometric Regionalization of Catalunya: a Compositional Data Methodology (poster)
J. Gibergans-Báguena, M.I. Ortego, R. Tolosana-Delgado

13:30 - 15:00

15:00 - 16:30
Populations WeA1
Room: Auditorium
Chair: Jose Antoni Martin-Fernandez
Modelling Cohort Seasonal Mortality Effects in a Compositional Framework
J. Oeppen

Approaching predator-prey Lotka-Volterra Equations by Simplicial Linear Differential Equations
E. Jarauta-Bragulat, J.J. Egozcue

Statistical inference for Hardy-Weinberg Equilibrium using Log-ratio Coordinates
J. Graffelman

Practical Aspects of Compositional Data Analysis using Regional Geochemical Survey Data (poster)
E. Grunsky

Tests for Identifying the Unchanging Reference Component of Compositional Data using the Properties of the Coefficient of Variaiton (poster)
T. Ohta, H. Arai, A. Noda

Testing Water Pollution in a Two Layer Aquifer (poster)
M. García-León, J. Lin

Compositional Data Analysis as a Potential Tool to Study the (Paleo)ecology of Calcareous Nannoplankton from the Central Portuguese Submarine Canyons(W off Portugal) (poster)
C. Guerreiro, M. Cachão, H. De Stigter, A. Oliveira, A. Rodrigues

16:30 - 17:00

17:00 - 19:00
Geochemistry WeA2
Room: Auditorium
Chair: Vera Pawlowsky-Glahn
Geochemistry Versus Grain-size Relations of Sediments in the Light of comminution, chemical alteration, and contrasting source rocks
H. von Eynatten, R. Tolosana-Delgado

Modeling Composition of Ca-Fe-Mg Carbonates in a Natural CO2 Reservoir
G. Bicocchi, G. Montegrossi, G. Ruggieri, A. Buccianti, O. Vaselli

Source Apportionment of Atmospheric Trace Gases and Particulate Matter: Comparison of Log-ratio and Traditional Approaches
M. Engle, J. Martín-Fernández, N. Geboy, R. Olea, B. Peucker-Ehrenbrink, A. Kolker, D. Krabbenhoft, P. Lamothe, M. Bothner, M. Tate

The Stoichiometry of Mineral Compositions
E. Grunsky, J. Bacon-Shone

Self-consistent Modelling of Mercury’s Surface Composition and Exosphere by Solar Wind Sputtering
H. Lammer, M. Pleger, P. Wurz, J.A. Martínez- Fernández, H.I. Lichtenegger, M.L. Khodachenko

Ordinary Cokriging of Additive Log-Ratios for Estimating Grades in Iron Ore Deposits
M.N. M. Boezio, J.F. C. L. Costa, J.C. Koppe

Thursday, May 12th

09:00 - 11:00
Theoretical Issues ThM1
Room: Auditorium
Chair: Monique Graf
Special Lecture
Statistical Modelling of Compositional Problems Involving Finite Probability Distributions

J. Aitchison

Evidence Information in Bayesian Updating
J.J. Egozcue, V. Pawlowsky-Glahn

Compositional Loess Modelling
J. Bergman, B. Holmquist

Orthogonal Regression for Three-part Compositional Data Via Linear Model with Type-II Constraints
E. Fiserova, K. Hron

Interpretation of Orthonormal Coordinates in Case of Three-part Compositions Applied to Orthogonal Regression for Compositional Data (poster)
S. Donevska, E. Fišerová, K. Hron

Compositional Random Data: a Routine for CoDaPack (poster)
M. Comas, G. Mateu-Figueras, S. Thió-Henestrosa

The shifted-scaled Dirichlet Distribution in the Simplex (poster)
G.S. Monti, G. Mateu-Figueras, V. Pawlowsky-Glahn, J.J. Egozcue

Non-detect Bootstrap Method for Estimating Distributional Parameters of Compositional Samples Revisited: a Multivariate Approach (poster)
J. Palarea-Albaladejo, J.A. Martín-Fernández, R.A. Olea

11:00 - 11:30

11:30 - 13:30
Transformations/Software ThM2
Room: Auditorium
Chair: K. Gerald van den Boogaart
Properties of a Square Root Transformation Regression Model
J. Scealy, A. Welsh

Multivariate Association of Compositional Data Matrices with Applications in Comparing Hyperspectral Images
C. M Cuadras, S. Valero

A data-based Power Transformation for Compositional Data
M. Tsagris, S. Preston, A. T.A.Wood

Measuring Subcompositional Incoherence
M. Greenacre

Analyis of Compositional Data using Robust Methods. The R-package robCompositons(software)
M. Templ, P. Filzmoser, K. Hron

CoDaPack 2.0: a stand-alone, Multi-platform Compositional Software (software)
M. Comas, S. Thió-Henestrosa

Compositional Data Analysis with Red-R(software)
S.E. Parent, K.R. Covington

13:30 - 15:00

Friday, May 13th

09:00 - 11:00
Zeroes and missings FrM1
Room: Auditorium
Chair: Raimon Tolosana-Delgado
Invited Lecture
Robust Compositional Data Analysis

P. Filzmoser, K. Hron, M. Templ

The Compositional Meaning of a Detection Limit
K.G. van den Boogaart, R. Tolosana-Delgado, M. Bren

An EM-Algorithm Based Method to Deal with Rounded Zeros in Compositional Data under Dirichlet Models
R. Hijazi

Classical and Robust Imputation of Missing Values for Compositional Data using Balances
K. Hron, M. Templ, P. Filzmoser

11:00 - 11:30

11:30 - 13:30
Ecology and Biology I FrM2
Room: Auditorium
Chair: Carles M. Cuadras
Analysis of Fossil Planktonic Foraminifera: The Sieve Mesh Effect
V. Di Donato, J.A. Martín-Fernández, J. Daunis-i-Estadella, P. Esposito

Examining Indices of Individual-level Resource Specialization
J.A. Martín-Fernández, M.E. Pierotti, C. Barceló-Vidal

Phytoplankton Composition in Shallow Water Ecosystems: Influence of Environmental Gradients and Nutrient Availability
R. López-Flores, A.M. Romaní, X. Quintana

Exploratory Data Analysis for Fatty Acid composition in Pig Meat
R. Ros, J. Reixach, M. Tor, J. Estany

Fractal and Compositional Analysis of Soil Aggregation
L.E. Parent, J.J. Egozcue, S-E Parent, T Kätterer, J.J. Egozcue

Compositional analysis of phosphorus pools in Canadian Mollisols (poster)
D. Abdi, N. Ziadi, L-É. Parent

Compositional Meta-analysis of Citrus Varieties in the State of São Paulo, Brazil (poster)
D.E. Rozanne, D. de Mattos Junior, S.E. Parent, W. Natale, L.E. Parent

13:30 - 15:00

15:00 - 16:30
Ecology and Biology II FrA1
Room: Auditorium
Chair: Xavier Quintana
Application of Compositional Models for Glycan HPLC Data
M. Galligan, M.P. Campbell, R. Saldova, P.M. Rudd, T.B. Murphy

Compositional Meta-analysis of the Nutrient Profile of Potato Cultivars
A. Hernandes, S.E. Parent, J.P. Veillette, P. Parent, M. Leblanc, G. Roy, P. Sylvestre, N. Samson, W. Natale, L.E. Parent

Compositional Analysis of Correlation of Weather Parameters with Russet of ‘Golden Delicious‘ Apples
C. Barceló-Vidal, J. Bonany, J. Carbó

A Compositional Genetic Analysis of Oleic Acid Content in Pig Meat
J. Estany, R. Ros, M. Tor, J. Reixach

16:30 - 17:00

17:00 - 19:00
Special Meeting AMyC FrA2
Room: Auditorium
Chair: to be confirmed