Research Output per year

## Fingerprint Fingerprint is based on mining the text of the persons scientific documents to create an index of weighted terms, which defines the key subjects of each individual researcher.

Classification rules
Mathematics

Repeated measures
Mathematics

Covariance structure
Mathematics

Bone and Bones
Medicine & Life Sciences

Multivariate data
Mathematics

Maximum likelihood estimate
Mathematics

Model
Mathematics

Measure data
Mathematics

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Network
Recent external collaboration on country level. Dive into details by clicking on the dots.

## Research Output 1986 2017

### A comparison of likelihood ratio tests and Rao's score test for three separable covariance matrix structures

Filipiak, K., Klein, D. & Roy, A. Jan 1 2017 In : Biometrical Journal. 59, 1, p. 192-215 24 p.Research output: Contribution to journal › Article

Datasets

### Optimal estimation for doubly multivariate data in blocked compound symmetric covariance structure

Roy, A., Zmyślony, R., Fonseca, M. & Leiva, R. Feb 1 2016 In : Journal of Multivariate Analysis. 144, p. 81-90 10 p.Research output: Contribution to journal › Article

Statistics

1
Citations

### Score test for a separable covariance structure with the first component as compound symmetric correlation matrix

Filipiak, K., Klein, D. & Roy, A. Sep 1 2016 In : Journal of Multivariate Analysis. 150, p. 105-124 20 p.Research output: Contribution to journal › Article

Statistics

Covariance matrix

### Testing the hypothesis of a block compound symmetric covariance matrix for elliptically contoured distributions

Coelho, C. A. & Roy, A. Dec 1 2016 In : Test. p. 1-23 23 p.Research output: Contribution to journal › Article

Exact distribution

Likelihood ratio test statistic

Covariance matrix

Decompose

Testing

### An extension of the Birnbaum-Saunders distribution as a model for fatigue failure due to multiple cracks

Leiva, R., Roy, A., Bageta, R. & Pina, J. C. Jan 13 2015 In : Journal of Statistical Theory and Practice. 9, 1, p. 88-121 34 p.Research output: Contribution to journal › Article

Birnbaum-Saunders distribution

Hazard function

Fatigue

Crack

Model