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R for Data Science by Dan Toomey

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Questions

Factual

  • The barplot function has a number of optional parameters. It might be interesting to play with a dataset and the parameters.
  • When you are displaying a word cloud, the function might complain that some words might not fit. Determine whether there is a way that this can be overcome.

When, how, and why?

  • What is the best way to determine the number of bins to be used in the hexbin function?
  • It was very unclear when producing a stacked bar chart as to how to organize the data to arrive at the correct result. Select a dataset and produce a stacked chart that meets your needs.

Challenges

  • There are several packages to produce plots. How would you select one of the packages to use for your plotting needs?
  • If there was a package that extracted ...

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