Guican

Publications

Python para las humanidades digitales

Las humanidades digitales combinan la programación por computador con el estudio de las humanidades en general. Este libro propone el …

Julia, Julia, Julia

Julia es un lenguaje de programación moderno diseñado para computación científica ya que ofrece velocidad, facilidad de uso y una …

Effect of management and probiotic supplementation on growth performance of Muscovy duck

Background: The farming of Muscovy ducks (Cairina moschata) is an important part of the poultry industry in developed countries; …
Arias-Sosa, L. A. , Alex L Rojas, Chavarro-Tulcán, I., Poveda-Diaz, N., Vargas-Puentes, J.
Project DOI

Herramientas para el análisis estadístico de datos biológicos en R

Este libro busca ser una guía práctica que sirva a estudiantes de biología y ciencias naturales para aprender a manejar datos y …
López A., Rojas-Peña, M. L., Alex L Rojas
DOI

Mucilage and cellulosic derivatives as clarifiers for the improvement of the non-centrifugal sugar production process

Non-centrifugal cane sugar (NCS) is the second most important Colombian agribusiness in social importance. However, the sugar cane …
Moreno, L., Medina, O., Alex L Rojas
DOI

Evaluation of metabolic syndromes and parasitic infection in Muscovy ducks under different management conditions

Proper health management is essential for productivity in duck farming. However, there is limited information on the effect of …
Chavarro-Tulcán, I., Arias-Sosa, L. A., Alex L Rojas
Project DOI

Introducción a Python para Estudiantes de Ciencias

El objetivo principal de este libro es dar las herramientas de programación necesarias para resolver problemas computacionalmente a …
López A., Alex L Rojas
DOI

A review on the productive potential of the Muscovy Duck

The Muscovy ducks (Cairina moschata) are one of the most exploited species in the duck farming industry due to their large size and …
Arias-Sosa, L. A., Alex L Rojas
Project DOI

Una Introducción Concisa a la Inferencia Estadística

Este libro es una introducción práctica a la inferencia estadística, con abundancia y variedad de ejemplos reales y simulados que le …
López A., Alex L Rojas

Assessment of two sludge stabilization methods in a wastewater treatment plant in Sotaquirá, Colombia

Wastewater sludge is a by-product of waste water treatment; it is often employed in agricultural processes following appropriate …
Castellanos-Rozo J., Galvis-López J. A., Merchán Castellanos N., Manjarres-Hernándes, E., Alex L Rojas
PDF DOI

MegaMorph: classifying galaxy morphology using multi-wavelength Sérsic profile fits

Aims. This work investigates the potential of using the wavelength-dependence of galaxy structural parameters (Sérsic index, $n$, and …
Vika M., Vulcani B., Bamford S.P., Häußler B., Alex L Rojas
PDF Project DOI

MegaMorph – multiwavelength measurement of galaxy structure: physically meaningful bulge–disc decomposition of galaxies near and far

Bulge–disc decomposition is a valuable tool for understanding galaxies. However, achieving robust measurements of component properties …
Vika M., Bamford S.P., Häußler B., Alex L Rojas
PDF Project DOI

Galaxy And Mass Assembly (GAMA): the wavelength-dependent sizes and profiles of galaxies revealed by MegaMorph

We investigate the relationship between colour and structure within galaxies using a large, volume-limited sample of bright, …
Vulcani B., Bamford S. P., Häußler B., Vika M., Alex L Rojas, Agius N.K., Baldry I., Bauer A.E, Brown M.J.I., Driver S.P., Graham A.W., Kelvin L.S., Liske J., Loveday J., Popescu C.C., Robotham A. S. G., Tuffs R.J
PDF Project DOI

MegaMorph - Multiwavelength measurement of galaxy structure. Sérsic profile fits to galaxies near and far

We demonstrate a new multiwavelength technique for two-dimensional parametric modelling of galaxy surface-brightness profiles, which we …
Vika M., Bamford S.P., Häußler B., Alex L Rojas, Borch A., Nichol R.C.
PDF Project DOI

MegaMorph – multiwavelength measurement of galaxy structure: complete Sérsic profile information from modern surveys

In this paper, we demonstrate a new method for fitting galaxy profiles which makes use of the full multiwavelength data provided by …
Häußler B, Bamford S. P., Vika M., Alex L Rojas, Barden M., Kelvin L.S., Alpaslan M., Robotham A. S. G., Driver S.P., Baldry I. K., Brough S., Hopkins A.M., Liske J., Nichol R.C., Popescu C.C., Tuffs R.J
PDF Project DOI

Measuring SEDs for individual galaxy components

Our project, ‘MegaMorph’, is developing a next-generation tool for decomposing galaxies, in terms of both their structures and stellar …
Bamford S.P. , Häußler B. , Alex L Rojas, Vika M. , Cresswell J
PDF Project

Revealing components of the galaxy population through non-parametric techniques

The distributions of galaxy properties vary with environment, and are often multimodal, suggesting that the galaxy population may be a …
Bamford S.P., Alex L Rojas, Nichol R.C., Miller C.J., Wasserman L., Genovese C.R., Freeman P.E
PDF DOI

Effect of Feature Selection on Bagging Classifiers Based on Kernel Density Estimators

A combination of classification rules (classifiers) is known as an Ensemble, and in general it is more accurate than the individual …
Acuña E., Alex L Rojas, Coaquira F.
DOI

Recursive Bayesian Decoding of Motor Cortical Signals by Particle Filtering

The population vector (PV) algorithm and optimal linear estimation (OLE) have been used to reconstruct movement by combining signals …
Brockwell A.E., Alex L Rojas, Kass R.E
PDF DOI

Una prueba basada en rachas para simetría al rededor de una mediana específica

Este artículo presenta una prueba, basada en rachas, para simetría de una distribución continua alrededor de su mediana conocida. …
Corzo Salamanca J. A., Alex L Rojas
PDF