R is highly interactive. Except that the graph output is in another window, its input and output Windows are all carried out in the same window. If errors occur in the input grammar, they will be immediately prompted in the window, which has a memory function for the previous input commands and can be reproduced and edited at any time to meet the needs of the user. The output graph can be saved as JPG, BMP, PNG, etc. In addition, there are good interfaces to other programming languages and databases.

R is well suited for interactive data analysis by new methods in development. Since R is a dynamic environment, new releases are not always fully compatible with previous releases. Some users welcome these changes because of the benefits of new technologies and methods; Some worry that old code is no longer available.


THE FUNCTIONAL ART CHA 8 CREATING INFORMATION GRAPHICS

1. Define the graphics, decide what stories you want to pass on to the reader, and what is the point.
2. There are clear goals in the producer's mind about what kind of goals you want to pass on to the reader.
3. Gather as much information as possible about the goals you want to convey
4. Choose the best image expression
5. Finish your research
6. Think carefully about your visual style

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