Projects and Thesis

Research Projects

1. Modeling rainfall in Valle del Cauca Department (period 1993-2011) from a functional mixed effects model, integrating data from weather stations and satellite. Banco de la República and Universidad del Valle. 

2. Geostatistical analysis of functional data: two new approaches.  Universidad Nacional de Colombia (DIB) March 2010–March 2012. 

3. Teaching nonparametric statistics. Universidad Nacional de Colombia (DIB), Code DIB: 803887. August 2003 -July 2005. 

4. Soil management under precision agriculture. Financed by COLCIENCIAS, Code: 2020-10-040-99. February 2004-February 2005. 

5. Nonparametric methods based on runs. Universidad Nacional de Colombia (DIB), Code DIB: 803611. 2003 

6. Applied geostatistics for modeling ecological variables in marine biology. COLCIENCIAS, Code: 2105-09-210-96. October 1996- May 2000. 

7. Spatio-Temporal Modeling of Covid-19 in Colombia. Universidad Nacional de Colombia. March 2021-March 2022.

Advisor PhD Thesis

1. A Nonparametric Test for Functional Data. Rafael Meléndez. Universidad Central de Venezuela. February 2013-April 2019. Advisor: Ramón Giraldo

2. Spatial sampling of functional and spatio-temporal data. Martha Bohorquez. Universidad Nacional de Colombia.  July 2011-May 2016. Advisors: Ramón Giraldo and Jorge Mateu.

3. Multiradial Matrix Covariance Functions: Characterization and Applications. Carlos Alonso. Universidad Nacional de Colombia. July 2011-December 2014 (Laureate thesis). Advisors: Ramón Giraldo and Emilio Porcu.

Advisor Master Thesis

1. Geostatistics for circular data. Alejandro Niño. Master in Statistics. Universidad Nacional de Colombia.  2023.

2. Spatio-temporal  distribution of homicides in Cali (2010-2014). Carolina Rojas. Master in Statistics. Universidad del Valle, Cali, Colombia. October 2021,

3. A spatial interaction model for air passenger traffic in Colombia. Adrián Santana.  Master in Statistics. Universidad Nacional de Colombia. December 2019.

4.  Testing the hypothesis of mean constant in geostatistics. Mónica Cañon. Master in Statistics. Universidad Nacional de Colombia. October 2019. 

5. Zoning Río Suárez basin according to soil physical properties. Ruy Vargas. Master in Statistics. Universidad Nacional de Colombia. July 2019.

6. Mixed linear model with a functional covariate. Application to chlorophyll data. Gustavo Gómez. Master in Statistics. Universidad del Valle, Cali, Colombia. Co-direction with Mercedes Andrade. March 2018.

7. Spatio-temporal point process modeling of urban crime data in Bogotá through conditional intensities techniques. David Contreras. Master in Statistics. Universidad Nacional de Colombia. Co-direction with Francisco Rodríguez. March 2018.

8. Temporal prediction of wind speed in Bogotá by using Hilbert space autoregressive models. Alexander Fuentes. Master in Statistics. Universidad Nacional de Colombia. November 2017.

9. A spatial randomness test based on Box-Counting dimension. Yolanda Caballero. Master in Statistics. Universidad Nacional de Colombia. October 2017. 

10. Multivariate geostatistical prediction by using functional methods and Andrews curves. María Paula Dueñas. Master in Statistics. Universidad Nacional de Colombia. October 2017.

11. Teaching counting and combinatorics using APOE methods. Diana Dominguez. Master in Teaching Sciences. Universidad Nacional de Colombia.

12. Teaching regression by simulation. Jesús Villaraga. Master in Teaching Sciences. Universidad Nacional de Colombia.

13. Birnbaum-Saunders regression with geostatistical data. Sergio Martínez. Master in Statistics. Universidad Nacional de Colombia. October 2016.

14. Fuzzy mathematical programming applied to transformations in multiple regression. Christian Camilo Rodríguez. Master in Statistics. Universidad Nacional de Colombia. October 2016.

15. Modeling daily precipitation through regression for functional data, integrating satellite images. Johann Ospina. Master in Statistics. Universidad del Valle. Co-direction with Mercedes Andrade. September 2016.

16. Application of functional geostatistics to study some hydro-physical soil attributes. Diego Cortés. Master in Agricultural Engineering. Co-direction with Jesús Camacho. November 2015.

17. Development of random thought. A contribution for teaching statistics and probability. Yadira Carrion. Master in Teaching Sciences. Universidad Nacional de Colombia, July 2013.

18. Teaching confidence intervals with R. Ricardo Contento. Master in Teaching Sciences. Universidad Nacional de Colombia, November 2012.

19. A methodology for spatial prediction of a scalar variable using information of a functional covariate. Luís Herrera. Master in Statistics. Universidad Nacional de Colombia. July 2012.

20. Spatial prediction of density functions. Elias Salazar. Master in Statistics. Universidad Nacional de Colombia-Universidad de Cartagena. February 2012.

21. Spatial Analysis of functional brain data: A study with evoked potentials. Jeimy Aristizabal. Master in Statistics. Universidad Nacional de Colombia. September 2011.

22. Universal kriging for functional data. William Caballero. Universidad Nacional de Colombia-Universidad de Cartagena. Master in Statistics. September 2011.

23. Large-Scale spatial variation of the abundance and population structure of Anadara tuberculosa in the Colombian pacific coast. Silvana Espinosa. Master in Biology. Universidad del Valle. Octubre 2011. 

24. Study of plant species of an Andean forest using spatial statistics. Nelly Rodríguez. Specialization in statistics (equivalent to Master of Arts). Universidad Nacional de Colombia. February 2004.  

25. Geostatistical analysis of some metal elements obtained in soil samples of Cauca Romeral, Colombia. Jairo Ramírez. Specialization in statistics (equivalent to Master of Arts). Universidad Nacional de Colombia. June 2003. 

 Advisor Undergraduate Final Projects

1. Testing the hypothesis of the correlation coefficient based on spatially cross-correlated data. Daniel Ramos. Universidad Nacional de Colombia. December 2017.

2. Confidence intervals for the mean when data are spatially correlated. Julián Hernández.  Universidad Nacional de Colombia. December 2017.

3. Functional generalized linear model: An application to rainfall data. María Paula Dueñas. December 2014.

4. Confidence intervals for the mean with spatially correlated data. Sergio Martínez. Universidad Nacional de Colombia. December 2012.

5. An overview of the normality assumption in geostatistics. Andrés Ramírez. Universidad Nacional de Colombia. December 2011.

6. Functional data analysis applied to genomic data of Streptococcus pyogenes. Carol Cardozo. December 2011.

7. Residual kriging for functional data. Adriana Reyes. Universidad Nacional de Colombia. December 2010.

8. Multivariate analysis of regionalized variables measured in a maize crop. Andrea Ramírez. Universidad Nacional de Colombia. June 2005.

9. Detecting outliers in regionalized variables. Yimer Patarroyo. Universidad Nacional de Colombia. June 2005.

10. Geostatistical modeling of edaphic and agronomic variables. Juan David Muñoz. Universidad Nacional de Colombia. March 2005.

11. Split plot design with spatial correlation. Gisella Castrillón. Universidad Nacional de Colombia. February 2004. 

12. Cluster analysis of regionalized variables: A study case. Rosa Sosa. Universidad Nacional de Colombia. January 2003.

13. Spatial analysis of cotton yield using geostatistical methods. A study case. Andrea Cuellar. Universidad Nacional de Colombia. June 2003. 

14. Modeling physical and chemical variables at Ciénaga de Pajarales. Paola Rojas. Universidad Jorge Tadeo Lozano. March 2000. 

 PhD Committee Member

1.  Juan Felipe Rodríguez. CFD Modelling for the prediction of NOx dispersion in the vicinities of a street with active public urban intervention in Medellin, Colombia. May, 2023.

2. Juan Sebastián Osorio Salcedo.  Permutation test based on Sinkhorn divergence for two-sample problem.  PhD Mathematics. Universidad de los Andes, Bogotá. January, 2023. 

3. Alba Mery Garzón García.  Computational fluid dynamic (CFD) to study UV-C disinfection of mango "Tommy Atkins". PhD in Food Science and Technology. Universidad Nacional de Colombia, Palmira. July, 2022. 

4. Nixon Correa. Method for landslides detection with semi-automatic procedures: The case in the centre-east zone of Cauca department, Colombia. PhD in Engineering. Universidad Nacional de Colombia, Bogotá. Auguts 2019.

5. David Alejandro Jamaica Tenjo. Modeling weed-crop interference by using spatial autoregressive models. Validation with a lettuce crop.  PhD in Agricultural Sciences. November 2019.

6. Ricardo Hundelshaussen. Optimization of kriging parameters based on the minimization of the absolute error and its uncertainty. PhD in Mining, Metallurgical and Materials Engineering.  Federal University of Rio Grande do Sul, Porto Alegre, Brasil, December 2018.

7. Mohamed-Salem Ahmed. Contribution to Spatial Statistics and Functional Data Analysis. PhD in Applied Mathematics, University of Lille, Lille, France, December 2017.

8. Myriam Vergara. A Data-Driven Runs Test to Identify First Order Positive Markovian Dependence. PhD in Statistics. Universidad Nacional de Colombia, Bogotá. December 2014.

9. Andrés Ramírez H. Stationarity and spatial unit roots in regional data. PhD in Statistics.Universidad Nacional de Colombia, Medellín. June 2012.

10. Edgar Benítez. Epidemiology of bud rot in oil palm. PhD in Agropecuary Sciences. Universidad Nacional de Colombia. January 2012. 

MSc Committee Member

I have been a member of the committee for 27 master's theses