112 research outputs found
FDA-PY: desarrollo de un paquete Python para el análisis de datos funcionales
Functional data analysis (FDA) is a eld of Statistics in which the data considered are functions.
This kind of data analysis takes into account that the underlying mechanism that generates the
observations is a stochastic process. In this manner, it is possible to address some important
questions (e.g. related to the continuity and smoothness of the functions measured) that traditional
multivariate analysis can not.
Given that it is a relatively recent eld of study, the methods of FDA are not as widely known
as those of multivariate analysis. Speci cally, there are few software implementations of FDA
tools available, mostly in MATLAB and R. However, these are not built following open-source
schemes, which makes it di cult to meke contributions to them. Up to this day there are not
any packages for Functional Data Analysis in Python. Since Python is the language of choice
for many data scientists and software developers, an implementation of FDA techniques in this
programming language seems to be of some utility.
Functional data analysis is a vast eld that keeps growing thanks to the work of numerous
research teams around the world. That is why the aim of this project is not simply to design
a FDA toolbox in Python but also to start an open-source project to which anybody can contribute.
In this manner, the package can grow and be kept up to date even after the completion
of this undergraduate thesis project.
With these goals in mind, the fda Python project has been published in a public repository
in GitHub. At the moment it includes basic FDA functionalities. In the long term we expect
that it will become a comprehensive and widely-used toolbox for FDA
Methodology based on collaborative problem solving implemented in a high academic achievement group
[EN] The High Academic Achievement (ARA, by its acronym in Spanish) group began its course in the 2011/12 academic year to reinforce the potential of the most outstanding students since the beginning of their university studies. In order to improve the employability of this students, at least 50% of basic or compulsory credits of the degree are taught in English. In addition, a series of language training aids are provided, which also has advantages in obtaining Erasmus scholarships. The ARA group only offers 25 places each academic course. Being a small group, personalized teaching is enhanced while the schedule is compacted. In this contribution the methodology used in the subject of Signals and Systems of the Degree in Sound and Image in Telecommunication Engineering of the Alicante University (Spain) is presented. The methodology emphasizes the practical application of the subject and its direct applicability in real systems.Ferrando-Rocher, M.; Marini, S.; Galiana-Merino, J.; Carbajo, J. (2020). Methodology based on collaborative problem solving implemented in a high academic achievement group. En 6th International Conference on Higher Education Advances (HEAd'20). Editorial Universitat Politècnica de València. (30-05-2020):555-560. https://doi.org/10.4995/HEAd20.2020.11105OCS55556030-05-202
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Copia digital. Valladolid : Junta de Castilla y León. Consejería de Cultura y Turismo, 2009-201
scikit-fda: A Python Package for Functional Data Analysis
The library scikit-fda is a Python package for Functional Data Analysis
(FDA). It provides a comprehensive set of tools for representation,
preprocessing, and exploratory analysis of functional data. The library is
built upon and integrated in Python's scientific ecosystem. In particular, it
conforms to the scikit-learn application programming interface so as to take
advantage of the functionality for machine learning provided by this package:
pipelines, model selection, and hyperparameter tuning, among others. The
scikit-fda package has been released as free and open-source software under a
3-Clause BSD license and is open to contributions from the FDA community. The
library's extensive documentation includes step-by-step tutorials and detailed
examples of use
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Copia digital. Valladolid : Junta de Castilla y León. Consejería de Cultura y Turismo, 2009-2010Fecha de licencia del ordinario: 1702Sign.: [parágrafo]\p4\s, A-B\p4\sApostillas marginalesPort. orlad
Collective excitations in liquid D2 confined within the mesoscopic pores of a MCM-41 molecular sieve
We present a comparative study of the excitations in bulk and liquid D2
confined within the pores of MCM-41. The material (Mobile Crystalline
Material-41) is a silicate obtained by means of a template that yields a
partially crystalline structure composed by arrays of nonintersecting hexagonal
channels of controlled width having walls made of amorphous SiO2. Its porosity
was characterized by means of adsorption isotherms and found to be composed by
a regular array of pores having a narrow distribution of sizes with a most
probable value of 2.45 nm. The assessment of the precise location of the sample
within the pores is carried out by means of pressure isotherms. The study was
conducted at two pressures which correspond to pore fillings above the
capillary condensation regime. Within the range of wave vectors where
collective excitations can be followed up (0.3<Q<3.0 −1), we found
confinement brings forward a large shortening of the excitation lifetimes that
shifts the characteristic frequencies to higher energies. In addition, the
coherent quasielastic scattering shows signatures of reduced diffusivity.Comment: 6 page
Areas of Non-Consensus Around One Anastomosis/Mini Gastric Bypass (OAGB/MGB): A Narrative Review
One anastomosis/mini gastric bypass (OAGB/MGB) is now an established bariatric and metabolic surgical procedure with good outcomes. Despite two recent consensus statements around OAGB/MGB, there are some issues which are not accepted as consensus and need more long-term data and research
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