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Visually Inspecting the Data

You are given historical revenue (hist_rev) and projected revenue (proj_rev) data for a company. Create a bar chart of data, which includes coloring the historical and projected revenues differently, as well as adding a chart title and legend. The revenue data is in the object rev, which is stored in memory.

This exercise is part of the course

Equity Valuation in R

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Exercise instructions

  • Create a bar chart, color historical data red and projected data blue, and add the title "Historical vs. Projected Revenues".
  • Create a legend with data labels "Historical" and "Projected" with colors matching the bars.

Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

# Create a bar chart
barplot(rev,
    col = c(___, ___),
    main = ___)

# Add legend
legend("topleft",
       legend = c(___, ___),
       fill = c(___, ___))
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