R is a powerful system for statistical analysis and data visualization. However, it’s not exactly user-friendly for data storage, so, still for several time your data will be archived using Excel, SPSS or similar programs.

How to open into R a file stored using the SPSS (.sav) format? There are some packages as foreign which allow to perform this operation. The package foreign is already present in the base distribution of R system and you just need to activate it using the function library().

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