Results 121 to 130 of about 26,187,594 (246)

Open source software and R&D competition in software industries

open access: yesProcedia Engineering, 2011
AbstractBy modifying Cournot model, this paper compares the R&D competition in a duopoly industry when two proprietary software (PS) producers compete and when a proprietary software producer competes with open source software (OSS) producer. This paper assumes proprietary software producer pursues profit maximization and open source software is free ...
openaire   +1 more source

Methods of Hierarchical Clustering [PDF]

open access: yes, 2011
We survey agglomerative hierarchical clustering algorithms and discuss efficient implementations that are available in R and other software environments. We look at hierarchical self-organizing maps, and mixture models.
Contreras, Pedro, Murtagh, Fionn
core   +2 more sources

HOW TO PERFORM A META-ANALYSIS: A PRACTICAL STEP-BY-STEP GUIDE USING R SOFTWARE AND RSTUDIO. [PDF]

open access: yesActa Ortop Bras, 2022
Ariel de Lima D   +5 more
europepmc   +1 more source

A progessive damage fatigue model for unidirectional laminated composites based on finite element analysis

open access: yesFracture and Structural Integrity, 2018
The simulation of the fatigue damage of laminated composites under multi-axial and variable amplitude loadings has to deal with several new challenges and several methods of damage modelling.
Michael Hack   +7 more
doaj  

An Introduction to the Special Volume on "Political Methodology" [PDF]

open access: yes
This special volume of the Journal of Statistical Software on political methodology includes 14 papers, with wide-ranging software contributions of political scientists to their own field, and more generally to statistical data analysis in the the social
Achim Zeileis   +3 more
core   +1 more source

Blood flow dynamics in patient specific arterial network in head and neck [PDF]

open access: yes, 2011
This paper shows a steady simulation of blood flow in the major head and neck arteries as if they had rigid walls, using patient specific geometry and CFD software FLUENT R .
Campbell, D.F.   +3 more
core  

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