Elsa Moreira

CMA Research Group - Statistics and Risk Management, Integrated member (PhD), Phd in Mathematical Statistics, Master degree in Statistics, Degree in Mathematics, sub-area Actuarial Sciences

  • 298 Citations
  • 8 h-Index
20052019
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Research Output at NOVA 2005 2019

  • 298 Citations
  • 8 h-Index
  • 20 Article
  • 5 Conference contribution
  • 1 Conference article
2019
Fixed Effects Model
Random number
Factorial
Factorial Design
Fixed Effects
Mixed Effects Model
Analysis of variance
Siméon Denis Poisson
Sample Size
Random variable
2018
4 Citations (Scopus)
5 Downloads (Pure)
Open Access
File
Drought
Droughts
Water management
North Atlantic Oscillation
linear model

Multiple regression design for a full factorial base model associated with a commutative Jordan algebra

Oliveira, S., Moreira, E., Fonseca, M. & Mexia, J. T., 15 Jul 2018, 2018 International Conference on Mathematics and Statistics, ICoMS 2018. Association for Computing Machinery, p. 41-45 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Algebra
Linear regression
2017
10 Citations (Scopus)

Evaluation of drought using SPEI drought class transitions and log-linear models for different agro-ecological regions of India

Alam, N. M., Sharma, G. C., Moreira, E., Jana, C., Mishra, P. K., Sharma, N. K. & Mandal, D., 1 Aug 2017, In : Physics and Chemistry of the Earth. 100, p. 31-43 13 p.

Research output: Contribution to journalArticle

evapotranspiration
drought
Evapotranspiration
Drought
Precipitation (meteorology)

Rubella Seropositivity in Pregnant Women after Vaccination Campaign in Brazil's Federal District

Nóbrega, Y. K. M., De Carvalho, B. C., Nitz, N., Vital, T. E., Leite, F. B., Sequeira, I. J., Moreira, E. E., De Andrade, J. K. B., Gandolfi, L., Pratesi, R. & Hecht, M. M., Nov 2017, In : Viral Immunology. 30, 9, p. 675-677 3 p.

Research output: Contribution to journalArticle

Open Access
Immunization Programs
Rubella
Brazil
Pregnant Women
Serologic Tests
2016
1 Citation (Scopus)
Portugal
geostatistics
extreme event
productivity
rainfall

Estimation and orthogonal block structure

Ferreira, S. S., Nunes, C., Ferreira, D., Moreira, E. & Mexia, J. T., Apr 2016, In : Hacettepe Journal of Mathematics and Statistics. 45, 2, p. 541-548 8 p.

Research output: Contribution to journalArticle

Open Access
Block Structure
Estimator
Projection Matrix
Variance-covariance Matrix
Orthogonal matrix
1 Citation (Scopus)
Human Genome
Viruses
Genes
HIV
Virus Integration
8 Citations (Scopus)

SPI drought class predictions driven by the North Atlantic Oscillation index using log-linear modeling

Moreira, E. E., Pires, C. L. & Pereira, L. S., 2016, In : Water (Switzerland). 8, 2, 43.

Research output: Contribution to journalArticle

Open Access
Drought
Droughts
Precipitation (meteorology)
North Atlantic Oscillation
drought
9 Citations (Scopus)

SPI drought class prediction using log-linear models applied to wet and dry seasons

Moreira, E. E., 1 Aug 2016, In : Physics and Chemistry of the Earth. 94, p. 136-145 10 p.

Research output: Contribution to journalArticle

drought
Drought
Precipitation (meteorology)
wet season
dry season
2015
16 Citations (Scopus)

Assessing drought cycles in SPI time series using a Fourier analysis

Moreira, E. E., Martins, D. S., Pereira, L. S. & DM Group Author, 15 Mar 2015, In : Natural Hazards And Earth System Sciences. 15, 3, p. 571-585

Research output: Contribution to journalArticle

Open Access
drought
time series
return period
North Atlantic Oscillation
analysis
2014
Factorial
Fixed Effects
Model
Orthogonal Design
Fertilization
2013
7 Citations (Scopus)
Drought
Analysis of variance (ANOVA)
drought
Time series
weather station
7 Citations (Scopus)
1 Downloads (Pure)

F tests with random sample sizes. Theory and applications

Moreira, E. E., Mexia, J. T. & Minder, C. E., 1 Jun 2013, In : Statistics and Probability Letters. 83, 6, p. 1520-1526 7 p.

Research output: Contribution to journalArticle

Open Access
File
Random Sample Size
F Test
Critical value
Sample Size
Random variable
1 Downloads (Pure)

Genetic and statistical study of HIV integration in the human genome

Sequeira, I. J., Gonçalves, J., Moreira, E., Mexia, J. T., Rueff, J. & Brás, A., 19 Nov 2013, 11th International Conference of Numerical Analysis and Applied Mathematics 2013, ICNAAM 2013. Simos, T., Psihoyios, G. & Tsitouras, C. (eds.). American Institute of Physics Inc., p. 813-816 4 p. (AIP Conference Proceedings; vol. 1558).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
human immunodeficiency virus
genome
analysis of variance
chromosomes
deoxyribonucleic acid
2012
21 Citations (Scopus)
Open Access
File
drought
time series
index
timescale
Drought
Log-linear Models
Likelihood Ratio Test
p-Value
Clustering
2011
2 Citations (Scopus)

Multi-treatment regression analysis: the unbalanced case

Moreira, E. E. & Mexia, J. T., 29 Nov 2011, Recent Researches in Applied Mathematics, Simulation and Modelling - Proceedings of the 5th International Conference on Applied Mathematics, Simulation, Modelling, ASM'11. p. 69-74 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
Regression Analysis
Regression analysis
Analysis of variance (ANOVA)
Covariance matrix
Metals
9 Citations (Scopus)

Orthogonal fixed effects ANOVA with random sample sizes

Mexia, J. T., Nunes, C., Ferreira, D., Ferreira, S. S. & Moreira, E., 29 Nov 2011, Recent Researches in Applied Mathematics, Simulation and Modelling - Proceedings of the 5th International Conference on Applied Mathematics, Simulation, Modelling, ASM'11. p. 84-90 7 p. (International Conference on Applied Mathematics, Simulation, Modelling - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Random Sample Size
Fixed Effects
Analysis of variance (ANOVA)
Sample Size
2010
7 Citations (Scopus)
1 Downloads (Pure)

Randomized sample size F tests for the one-way layout

Mexia, J. T. & Moreira, E. E., 1 Dec 2010, NUMERICAL ANALYSIS AND APPLIED MATHEMATICS, VOLS I-III. Psihoyios, G. & Tsitouras, C. (eds.). American Institute of Physics Inc., Vol. I-III. p. 1248-1251 4 p. (AIP Conference Proceedings; vol. 1281).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
File
layouts
confidence
theorems
degrees of freedom
statistics
2009
2 Citations (Scopus)
2 Downloads (Pure)

Inference for L orthogonal models

Ferreira, S. S., Ferreira, D., Moreira, E. & Mexia, J. T., 1 Dec 2009, In : Journal of Interdisciplinary Mathematics. 12, 6, p. 815-824 10 p.

Research output: Contribution to journalArticle

Open Access
File
UMVUE
Column vector
Mixed Model
Commute
Normality
7 Citations (Scopus)

L models and multiple regressions designs

Moreira, E., Mexia, J. T., Fonseca, M. & Zmyślony, R., 5 Aug 2009, In : Statistical Papers. 50, 4, p. 869-885 17 p.

Research output: Contribution to journalConference article

Multiple Regression
Matrix Models
Regression
Restriction
Column vector
2008
93 Citations (Scopus)

SPI-based drought category prediction using loglinear models

Moreira, E. E., Coelho, C. A., Paulo, A. A., Pereira, L. S. & Mexia, J. T., 15 Jun 2008, In : Journal Of Hydrology. 354, 1-4, p. 116-130 15 p.

Research output: Contribution to journalArticle

drought
prediction
index
three-dimensional modeling
confidence interval
2006
80 Citations (Scopus)

Analysis of SPI drought class transitions using loglinear models

Moreira, E. E., Paulo, A. A., Pereira, L. S. & Mexia, J. T., 30 Nov 2006, In : Journal Of Hydrology. 331, 1-2, p. 349-359 11 p.

Research output: Contribution to journalArticle

drought
climate change
index
analysis
periodicity
2005
14 Citations (Scopus)
chromated copper arsenate
Sawdust
sawdust
Timber
arsenate