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R Programming: plots and visualizations

In part-1 we covered the data loading, basic statistics, and row-column selection. In this part, we will cover the following topics.

  • Descriptive statistics
  • Frequency tables
  • Bar charts
  • Histograms
  • Boxplots

Descriptive statistics: Let’s say, we want to see the group by analysis of different species of iris flowers.

## grouping the iris dataset by…



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