Research papers

Theory and Methods

Ameijeiras-Alonso, J., Crujeiras, R.M. and Rodríguez-Casal, A. (To appear). multimode: an R package for mode assessment. Journal of Statistical Software.

Ameijeiras-Alonso, J., Lagona, F., Ranalli, M. and Crujeiras, R.M. (To appear). A circular hidden Markov random field for the spatial segmentation of fire occurrence. Environmetrics.

Ameijeiras-Alonso, J., Crujeiras, R.M. and Rodríguez-Casal, A. (To appear). Mode testing, critical bandwidth and excess mass. Test.

Crujeiras, R.M. (2017). An introduction to statistical methods for circular data. BEIO, Vol. 33, pp. 85-107.

García-Portugués, E., Van Keilegom, I., Crujeiras, R. M. and González-Manteiga, W. (2016). Testing parametric models in linear-directional regression. Scandinavian Journal of Statistics, Vol. 43, pp. 1178-1191.

García-Portugués, E., Crujeiras, R.M. and González-Manteiga, W. (2015) Central limit theorems for directional and linear random variables with applications. Statistica Sinica, Vol. 25, pp. 1207-1229.

Oliveira, M., Crujeiras, R.M. and Rodríguez-Casal, A. (2014)  NPCirc: an R package for nonparametric circular methods. Journal of Statistical Software, Vol. 61, nº9, 1-26.

Oliveira, M., Crujeiras, R.M. and Rodríguez-Casal, A. (2014) CircSiZer: an exploratory tool for circular data. Journal of Environmental and Ecological Statistics, Vol. 21, 143-159.

Ruiz-Medina, M.D. and Crujeiras, R.M. (2014)  A central limit theorem result in the wavelet domain for minimum contrast estimation of fractal random fields. Theory of Probability and its Applications, Vol. 58, pp.1-34.

García-Portugués, E., Barros, A.M.G., Crujeiras, R.M., González-Manteiga, W., Pereira, J.M. (2014) A test for assessing independence between wildfire orientation and size. Stochastic Environmental Research and Risk Assessment, Vol. 28, pp-1261-1275.

García-Portugués, E., Crujeiras, R.M. and González-Manteiga, W. (2013) Kernel density estimation for directional-linear data. Journal of Multivariate Analysis, Vol. 121, pp. 152-275.

Bowman, A.W. and Crujeiras, R.M. (2013) Inference for variograms. Computational Statistics and Data Analysis, Vol. 66, pp. 19-31.

García-Portugués, E., Crujeiras, R.M. and González-Manteiga, W. (2013) Exploring wind direction and SO2 concentration by circular–linear density estimation. Stochastic Environmental Research and Risk Assessment, Vol. 27, pp. 1055-1067.

González-Manteiga, W. and Crujeiras, R.M. (2013) An updated review on Goodness--of--Fit tests for regression models. Test, Vol. 22, pp. 361-447.

Oliveira, M., Crujeiras, R.M. and Rodríguez-Casal, A. (2013) Nonparametric circular methods for exploring environmental data. Journal of Environmental and Ecological Statistics, Vol. 20, pp. 1-17.

Oliveira, M., Crujeiras, R.M. and Rodríguez-Casal, A. (2012) A plug–in rule for bandwidth selection in circular density estimation. Computational Statistics and Data Analysis, Vol. 56, 3898-3908.

Ruiz-Medina, M.D. and Crujeiras, R.M. (2011)   Minimum contrast parameter estimation for fractal random fields based on the wavelet periodogram. Communications in Statistics: Theory and Methods, Vol. 40, pp. 1-15.

Crujeiras, R.M. and Van Keilegom, I. (2010). Least squares estimation of nonlinear spatial trends. Computational Statistics & Data Analysis, Vol. 54, pp. 452-465.

Moreira, C., de Uña Álvarez, Jacobo and Crujeiras, R.M. (2010) DTDA, an R package to analyze randomly truncated data. Journal of Statistical Software, Vol. 37, pp. 1-20.

Crujeiras, R.M. and Fernández-Casal, R. (2010) On the estimation of the spectral density for continuous spatial processes. Statistics, Vol. 44, pp. 587-600.

Fernández-Casal, R. and Crujeiras, R.M. (2010) Spatial dependence estimation using FFT of biased covariances. Journal of Statistical Planning and Inference, Vol. 140, pp. 2653-2668.

Crujeiras, R.M., Fernández-Casal, R. and González-Manteiga, W. (2010) Goodness-of-fit tests for the spatial spectral density. Stochastic Environmental Research and Risk Assesment, Vol. 24, pp. 67-79.

Crujeiras, R.M., Fernández-Casal, R. and González-Manteiga, W. (2010) Nonparametric test for separability of spatio-temporal processes. Environmetrics, Vol. 21, pp. 382-399.

Porcu, E., Crujeiras, R.M., Mateu, J. and González-Manteiga, W. (2009) On the second order properties of the multidimensional peridogram for regularly spaced data. Theory of Probability and its Applications, Vol. 53, pp. 349-356.

Crujeiras, R.M., Fernández-Casal, R. and González-Manteiga, W. (2008) An L2-test for comparing spatial spectral densities. Statistics & Probability Letters, Vol. 78, pp. 2543-2551.

Crujeiras, R.M., Fernández-Casal, R. and González-Manteiga, W. (2007) Comparing spatial dependence structures using spectral density estimators". Environmetrics, Vol. 18, pp. 793-808.


Book chapters

García-Portugués, E., Crujeiras, R.M. and González-Manteiga, W.  (2018). Smoothing-Based Tests with Directional Random Variables. In: Studies in Systems, Decision and Control. The Mathematics of the Uncertain A Tribute to Pedro Gil (pp. 175-184). Springer.

Chernick, Michael R., González-Manteiga, W., Crujeiras, R.M. and Barrios, Erniel B. (2011) Bootstrap methods. In: International Encyclopedia of Statistica Science (pp. 169-174). Springer .

González-Manteiga, W. and Crujeiras, R.M. (2011) A general view of the goodness-of-fit tests for statistical models. In: Modern Mathematical Tools and Techniques in Capturing Complexity (pp. 3-17). Springer Series in Synergetics .

Crujeiras, R.M. and Ruiz-Medina, M.D. (2011) Wavelet-based minimum contrast estimation of linear Gaussian random fields. In: Recent Advances in Functional Data Analysis and Related Topics (pp. 63-69). Physica-Verlag (Springer) .


Applications


Lorenzo-Toja, Y., Vázquez-Rowe, I., Marín-Navarro, D., Crujeiras, R.M., Moreira, M.T. and Feijoo, G. (2018). Dynamic environmental efficiency assessment for wastewater treatment plants. International Journal of Life Cycle Assessment, Vol. 23, pp. 357-367.

Oliveira, M., Pérez-Alberti, A., Crujeiras, R.M., Rodríguez-Casal, A. and Castillo-Rodríguez, F.  (2018). A new method for analysing and representing ground temperature variations in cold environments. The Fuegian Andes, Tierra del Fuego, Argentina. Geographical Research Letters, Vol. 44, pp. 293-320.

Feijoo, G., Crujeiras, R.M. and Moreira, M.T.    (2018). Gamestorming for the Conceptual Design of Products and Processes in the context of engineering education. Education for Chemical Engineers, Vol. 22, pp. 44-52.

Araya, Y.N., Batelheimer, M., Valle, C.J., Crujeiras, R.M. and García-Baquero Moneo, G.  (2017). Does functional soil microbial diversity contribute to explain within-site plant beta-diversity in an alpine grassland and a dehesa meadow in Spain? Journal of Vegetation Science, Vol. 28, pp. 1018-1027.

Laso, J., Vázquez-Rowe, I., Margallo, M. Crujeiras, R.M., Irabien, A. and Aldaco, R. (To appear) Life Cycle Assessment of European anchovy (Engraulis encrasicolus) landed by purse seine vessels in northern Spain. The International Journal of Life Cycle Assessment.

Raña, P., Pérez-Rios, M., Santiago, M.I. and Crujeiras, R.M. (2016) Impact of a comprehensive law on the prevalence of tobacco consumption in Spain: evaluation of different scenarios. Public Health, 138, 41-49.

Faraldo-García, A., Santos-Pérez, S., Crujeiras, R.M. and Soto-Varela, A. (2016). Postural changes associated with ageing on the sensory organization test and the limits of stability in healthy subjects. Auris Nasus Larynx , 43, 149-54.

García-Baquero, G. and Crujeiras, R.M. (2015) Can environmental constraints determine random patterns of plant species co-occurrence? Ecology and Evolution, DOI: 10.1002/ece3.1349.

Faraldo-García, A., Santos-Pérez, S., Crujeiras, R.M.; Soto-Varela, A. and Labella-Caballero, T. (2013) Age-adjusted normality patterns for posturography by Sway Star system. European Archives of Oto-Rhino-Laryngology, Vol. 270, 3169-3175.

Faraldo-García, A., Santos-Pérez, S., Crujeiras, R.M.; Soto-Varela, A. and Labella-Caballero, T. (2012) Comparative study of computerized dynamic posturography and the Sway Star system in healthy subjects. Acta Oto-Laryngologica, Vol. 132, pp. 271-276.

Faraldo-García, A., Santos-Pérez, S., Crujeiras, R.M., Labella-Caballero, T. and Soto-Varela, A. (2012) Influence of age and gender in the sensory analysis of balance control. European Archives of Oto-Rhino-Laryngology and Head & Neck , Vol. 269, pp. 673–677.

Moreira, C., Crujeiras, R.M. and Bento M.J (2010) Mapping childhood cancer incidence at northern region of Portugal. Advances and Applications in Statistical Sciences, Vol. 3, pp. 177-194 .


Comments and discussions

Oliveira, M.; Crujeiras, R.M. and Rodríguez-Casal, A.  (2017). Discussion on Statistical Scale Space Methods. International Statistical Review, Vol. 85, pp. 31-32.

González-Manteiga, W. and Crujeiras, R.M. (2015). Discussion on the paper “Analysis of spatio-temporal mobile phone data: a case study in the metropolitan area of Milan” by P. Secchi, S. Vantini and V. Vitelli. Statistical Methods & Applications, Vol. 24, pp. 325-327.

González-Manteiga, W. and Crujeiras, R.M. (2012) Editorial: Recent advances in spatio-temporal stochastic modelling. Environmetrics, Vol. 23, pp. 1-2. This issue was edited by W. González-Manteiga and R.M. Crujeiras.

Crujeiras, R.M. and Prieto A (2011) Discussion on "An explicit link between Gaussian fields and Gaussian Markov random fields: the SPDE approach". Journal of the Royal Statistical Society, Series B, Vol. 73, pp. 473-398 .

Crujeiras, R.M. (2010) Comments on: "A general science-based framework for nonlinear spatio-temporal dynamical models". TEST, Vol. 19, pp. 456-458 .

Crujeiras, R.M. and González-Manteiga, W. (2008) Comments on : "Augmenting the bootstrap to analyze high dimensional genomic data". TEST, Vol. 17, pp. 40-42 .


Submitted

Ameijeiras-Alonso, J., Benali, A., Crujeiras, R.M., Rodríguez-Casal, A. and Pereira, J.M.C. (Submitted) Fire seasonality identification with multimodality tests.

Pérez-González, A., Cotos-Yáñez, T., González-Manteiga, W. and Crujeiras, R.M. (Submitted) Goodness-of-fit tests for quantile regression with missing responses.

Calaza, L., Suárez, S., Crujeiras, R.M. and Sousa, X. (Submitted) A GIS-based application for documenting and analysing perceptions about language variation.

Castro-Álvarez, J.M. and Crujeiras, R.M. (Submitted) Orthogonal decomposition of the genetic variance for epistatic traits under linkage disequilibrium.