R is a good programming language for working with data because it is relatively easy to learn and it provides many tools for processing data.
A data structure is the format in which a collection of data values is stored together within RAM. The basic data structures in R are vectors, matrices, data frames, and lists.
Standard data processing tasks include: reading data from external files into RAM; extracting subsets of data; sorting, transforming, aggregating, and reshaping data structures; searching and reformatting text data; and formatting data for display on screen.
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