Perceived QoS P-QoS is a user-oriented QoS defined as the quality perceived by the users which depends on what the end points can do for the applications. It is mainly concerned with the software application industry not the network industry.
Excel Spreadsheets and Add-ins: For now there is only a few functions available compared to R's great many packages, but the setup makes it relatively easy for skilled users to add new functions. Thus it's expected that more functions will be available from the online library in the near future.
New modules on meta-analysis, mixed linear effects models, general linear models, robust statistics been added recently. It's contributed to the scientific community by the people behind JASP.
It's free and opensource. InVivoStat is a free to use, statistical Windows program which uses R as its statistics engine. It is designed specifically for scientists conducting animal experiment. The user interface is both easy to use and intuitive to the non-statistician.
OpenStat -- is a general stats package for all Windows versions including Win 7 and Win 8 and for Linux systems under Winedeveloped by Bill Miller of Iowa State U, with a very broad range of data manipulation and analysis capabilities and an SPSS-like user interface.
Bill also has provided an excellent User Manual as an Adobe Acrobat file. In addition, there is a free Pascal program, manual, sample data and source code for LazStats which contains programs similar to OpenStat. Bill Miller has closed maintainance and development. The software is made available for your convenience as is until further notice.
There is two types of windows: A "Spread" window contains Excel-like spreadsheets, supporting calculation with cell formulae. It provides a wide range of computing methods such as mathematical optimization, spectral, time-series and wavelet analysis. The program also offers a variety of statistical procedures including parametric and nonparametric tests and multivariate analysis.
XLSTAT -- an Excel add-in for PC and MAC that holds more than statistical features including data visualization, multivariate data analysis, modeling, machine learning, statistical tests as well as field-oriented solutions: It proposes a free day trial of all features as well as a free version.
IT -- data exploration software especially suited for multivariate data analysis visualizing up to 13 variables simultaneously using 3d models. Commercial but free for up to records.
Has a basic mode for statistical testing, and a design-of-experiments mode. Provides over a dozen kinds of plots and diagrams, basic statistical summaries, significance tests chi-square, t, ANOVA and more advanced analyses factorial, principal components, discriminant, variance, linear regression.
But it's free, and will never "expire".
Supports over 1 billion cases and over 1 billion variables. Choice of terminal or graphical user interface; Choice of text, postscript or html output formats. Inter-operates with Gnumeric, OpenOffice. Org and other free software. Easy data import from spreadsheets, text files and database sources.
Fast statistical procedures, even on very large data sets. Fully indexed user manual. Cross platform; Runs on many different computers and many different operating systems. Statext -- Provides a nice assortment of basic statistical tests, with text output and text-based graphics.
It was developed for serious survey analysis using moderate to large data sets. Fully-functional version is free; the authors would appreciate a small donation to support ongoing development and distribution.
Gnumeric -- a high-powered spreadsheet with better statistical features than Excel. Has 60 extra functions, basic support for financial derivatives Black Scholes and telecommunication engineering, advanced statistical analysis, extensive random number generation, linear and non-linear solvers, implicit intersection, implicit iteration, goal seek, and Monte Carlo simulation tools.
Statist -- a compact, portable program that provides most basic statistical capabilities: Tanagra -- a free open-source data-mining package, which supports the standard "stream diagram" paradigm used by most data-mining systems.The second simulation was titled "Service Added Based Differentiation." This simulation discussed the importance of differentiating the new Camyo sports car in a .
Agent Based Modelling and Simulation is a computationally demanding technique having its origins in discrete event simulation, genetic algorithms and cellular automata.
It is a powerful technique for simulating dynamic complex systems and observing ``emergent'' behaviour. How to Cite. VILAS, A., PÉREZ-FIGUEROA, A. and CABALLERO, A. (), A simulation study on the performance of differentiation-based methods to detect selected loci using linked neutral markers.
The simulation results confirmed the correctness of the proposed control scheme, and demonstrated its effectiveness. A small difference between stations' IFS values is shown to make substantial service differentiation between them.
Since most current user simulations generate user actions based on probabilistic models, we identify two main factors in constructing such user simulations: the choice of user simulation model and the approach to set up user action probabilities.
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