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R

R is a programming language and software environment used primarily for statistical computing and data analysis. It allows users to manipulate data, create visualizations, and perform complex calculations efficiently. R is widely utilized in fields such as data science, academia, and research because of its powerful statistical packages and ability to handle large datasets. Its open-source nature means it is continually updated and improved by a global community of users and developers. R is particularly known for its flexibility in customizing analyses and generating high-quality graphics for data presentation.

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    R-11 refers to a specific rating for refrigerants, particularly in the context of chlorofluorocarbons (CFCs). This designation indicates that R-11 is a type of potent refrigerant previously used in air conditioning and refrigeration systems. Its ozone depletion potential (ODP) is high, meaning it significantly harms the ozone layer when released into the atmosphere. Due to environmental regulations, the use of R-11 has been largely phased out in favor of more environmentally friendly alternatives. Understanding refrigerant classifications like R-11 helps to appreciate efforts toward better environmental sustainability and protection of the earth's atmosphere.