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A plotter is a computer vector graphic printer that gives a hard copy of the output based on instructions from the system. Plotters are widely used to print designs of things such as cars, ships and buildings on a piece of paper using a pen. Plotters are different than a printer in that they are more precise and they are most commonly used in engineering, where precision is mandatory. They are also more expensive than ordinary printers. A plotter is also known as a graph plotter.
Dear R-enthusiastic, I discovered Plotly some days ago, and I was fascinated by it. What is Plotly? Plotly is a service for creating and sharing data visualizations that also offers statistical analysis tools plus a robust API, the ability to graph custom functions and a built-in Python shell. Among its APIs, there is the R one: Plotly interactive visualization can be created directly from R. Why should I use Plotly? With Plotly, R users can easily create a plot within R with a few lines of code and refine it with the online tool.