Visualizing data is a key tool in understanding data and data analysis. It is a simple trick, but highly efficient for both researchers and laymen to understand what the data and data analysis is telling us. It can condense highly complicated data structures that could be impossible for any human to understand. Modern technological advancement has made data visualizing easier and more capable. Moreover, the development of programs and software using open source (or derivates of it), makes it possible for anyone to learn data visualization. R is a prominent program for data analysis and data visualization. It is an open-source program with a vast number of packages. One of the most important packages for R is the "ggplot2" library. This is a package created to make data visualization follow simple rules of "grammar" for "visualizing".
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