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Software

R logoR is a language and environment for statistical computing and graphics. It is a GNU project which is similar to the S language and environment which was developed at Bell Laboratories (formerly AT&T, now Lucent Technologies) by John Chambers and colleagues. R can be considered as a different implementation of S. R provides a variety of statistical (linear and nonlinear modelling, classical statistical tests, time-series analysis, classification, clustering, etc) and graphical techniques, and is highly extensible. 
 

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SAS logoSAS features an intuitive interface that lets you interact with the software from your computer. It is a powerful programming language that is easy to learn and easy to use. SAS provides a comprehensive, reliable suite of tools that include state-of-the-art statistical methods. It is a robust, yet flexible, matrix programming language. 

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Stella logoStella offers a practical way to dynamically visualize and communicate how complex systems and ideas really work. Whether they are first-time or experienced modelers, teachers, students, and researchers use stella to explore and answer endless questions. 

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stata logoStata statistical software is a complete, integrated statistical software package that provides everything you need for data analysis, data management, and graphics. Stata is not sold in modules, which means you get everything you need in one package. And, you can choose a perpetual license, with nothing more to buy ever. Annual licenses are also available. 

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gams logoThe General Algebraic Modeling System (GAMS) is a high-level modeling system for mathematical programming and optimization. It consists of a language compiler and a stable of integrated high-performance solvers. GAMS is tailored for complex, large scale modeling applications, and allows you to build large maintainable models that can be adapted quickly to new situations. 

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matlab logoMATLAB® is a high-level language and interactive environment for numerical computation, visualization, and programming. Using MATLAB, you can analyze data, develop algorithms, and create models and applications. The language, tools, and built-in math functions enable you to explore multiple approaches and reach a solution faster than with spreadsheets or traditional programming languages, such as C/C++ or Java™. 

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excel logoMicrosoft Excel is primarily a spreadsheet program that runs on multiple platforms (phones, tablets). Excel can be used to visualize data and share with others. Basic statistical functions are available and a simple linear optimizer is included. 

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python logoPython is an interpreted, interactive, object-oriented programming language. It incorporates modules, exceptions, dynamic typing, very high-level dynamic data types, and classes. Python combines remarkable power with very clear syntax. It has interfaces to many system calls and libraries, as well as to various window systems, and is extensible in C or C++. It is also usable as an extension language for applications that need a programmable interface. Finally, Python is portable: it runs on many Unix variants, on the Mac, and on PCs under MS-DOS, Windows, Windows NT, and OS/2. 

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venism logoVensim is a simulation software for improving the performance of real systems. Vensim is used for developing, analyzing, and packaging dynamic feedback models. The software emphasized high quality, weigh tdimensional consistency and reality checks; connections to data and sophisticated calibration methods; instant output with continuous simulation in SyntheSim; flexible model publication; model analysis, including optimization and monte carlo simulation. 

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acslX logoThe award-winning acslX environment provides integrated, end-to-end capabilities for model development, simulation execution, and results analysis. Models are specified using either familiar block diagram notation, or code-based descriptions using the CSL modeling language. By default, all model representations are translated into C or FORTRAN language source code for compilation and execution, ensuring the fastest possible performance and support for extremely large or complex models. Open application programming interfaces (APIs) are provided throughout the system to extend acslX functionality, allow the integration of custom or legacy code within acslX models, or to embed the generated simulation into end-user applications. Model code reuse is supported through easily creatable user-defined libraries of simulation blocks. acslXtreme provides a powerful simulation control scripting language and mathematical analysis environment based on the popular M language for mathematical computing. 

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