15GENERATING DATA
Data visualization involves exploring data through visual representations. It’s closely associated with data analysis, which uses code to explore the patterns and connections in a data set. A data set can be made up of a small list of numbers that fits in one line of code or it can be many gigabytes of data.
Making beautiful data representations is about more than pretty pictures. When a representation of a data set is simple and visually appealing, its meaning becomes clear to viewers. People will see patterns and significance in your data sets that they never knew existed.
Fortunately, you don’t need a supercomputer to visualize ...
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