Results 41 to 50 of about 12,143,956 (343)

El análisis multivariante aplicado al abastecimiento de Gas Licuado de Petróleo (GLP) en el Perú

open access: yesIndustrial Data, 2020
El artículo presenta un breve análisis de la seguridad de suministro de energía, el cual incide principalmente en las variables relacionadas con el abastecimiento de Gas Licuado de Petróleo (GLP) dentro del mercado peruano.
Beatriz Adaniya Higa
doaj   +1 more source

The fastest algorithm for analyzing robust principal components with application on variables affecting the increase of aluminum level in blood Abstract [PDF]

open access: yesKirkuk Journal of Science, 2006
One of the common techniques in analyzing multivariate data is analyzing of the principal components. This transforms large number of related variables into lesser number of no related components (PCA).
Khlod Y.Khmo and Dhafer H.Rashid
doaj   +1 more source

Branching on multi-aggregated variables [PDF]

open access: yes, 2015
open5siopenGamrath, Gerald; Melchiori, Anna; Berthold, Timo; Gleixner, Ambros M.; Salvagnin, DomenicoGamrath, Gerald; Melchiori, Anna; Berthold, Timo; Gleixner, Ambros M.; Salvagnin ...
A Gilpin   +34 more
core   +2 more sources

Variability Measures of Positive Random Variables

open access: yesPLoS ONE, 2011
During the stationary part of neuronal spiking response, the stimulus can be encoded in the firing rate, but also in the statistical structure of the interspike intervals. We propose and discuss two information-based measures of statistical dispersion of the interspike interval distribution, the entropy-based dispersion and Fisher information-based ...
Ondrej Pokora   +2 more
openaire   +5 more sources

Metodología de diagnóstico como base para la evaluación de impacto en proyectos de acueductos comunitarios

open access: yesRevista Politécnica, 2023
Se realizó la investigación “Evaluación de Impacto del Proyecto Agua Fuente de Vida en los acueductos rurales y comunitarios del corredor oriental de Pasto en la ventana de observación 2016-2020”, desde los componentes técnico, ambiental, administrativo ...
Rocio Ojeda   +7 more
doaj   +1 more source

Variation and variability [PDF]

open access: yesMRS Bulletin, 2020
The world has been turned upside down with the novel Coronavirus pandemic. The most effective approaches to prevent the spread of the virus have been social distancing and wearing personal protective equipment (PPE), which has significantly changed our approach to life. Most of our daily activities have been altered, including medical appointments.
openaire   +3 more sources

Denominators of cluster variables

open access: yes, 2007
Associated to any acyclic cluster algebra is a corresponding triangulated category known as the cluster category. It is known that there is a one-to-one correspondence between cluster variables in the cluster algebra and exceptional indecomposable ...
Buan, Aslak Bakke   +2 more
core   +1 more source

Superbroadcasting of conjugate quantum variables [PDF]

open access: yes, 2006
We consider the problem of broadcasting arbitrary states of radiation modes from N to M>N copies by a map that preserves the average value of the field and optimally reduces the total noise in conjugate variables.
D'Ariano, Giacomo M.   +2 more
core   +3 more sources

Econometría, teoría económica y el economista

open access: yesPensamiento Crítico, 2009
La Ciencia de la Economía tiene por objeto el estudio de cómo y por qué se relacionan entre sí las variables económicas. La econometría tiene por objeto medir esas relaciones y utilizarlas para hacer predicciones.
Luis Mejía Marcatinco
doaj   +1 more source

Finding Exogenous Variables in Data with Many More Variables than Observations

open access: yes, 2010
Many statistical methods have been proposed to estimate causal models in classical situations with fewer variables than observations (p>n). In this paper, we propose a method to find exogenous variables in a linear non-Gaussian causal model, which ...
A. Hyvärinen   +12 more
core   +2 more sources

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