Titlebook: Data Envelopment Analysis with R; Farhad Hosseinzadeh Lotfi,Ali Ebrahimnejad,Zohreh Book 2020 Springer Nature Switzerland AG 2020 Fuzzy O

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Fuzzy Data Envelopment Analysis Models with R Codes,oups and the mathematical approaches of each category are described briefly. Then, R codes for each FDEA model are provided. Finally, numerical examples are provided to illustrate the main advantages of R in FDEA models.

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Book 2020sets throughout. Offering a comprehensive review of DEA and fuzzy DEA models and the corresponding R codes, this practice-oriented reference guide is intended for masters and Ph.D. students in various disciplines, as well as practitioners and researchers..

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Basic DEA Models with R Codes,Being familiar with DEA models and their characteristics is necessary as a mathematical tool for evaluation. In this chapter at first some basic models of DEA technique are briefly reviewed and introduced literally and mathematically. Then, R codes of these models along with numerical examples are p

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Private Security Companies: Agents of Democracy or Simply Mercenaries?hat are responsible for addressing the democratic deficit found in many weak and failing states. As the chapter explains below, such complexes are made up of governments, international organizations, international non-governmental organizations (INGOs), multinational corporations and now PSCs.