Visualizing Patterns over Time - Data Points: Visualization That Means Something - page 109

take longer to get your data in the right format, or you might write your
own functions in R to get exactly what you want. Whatever the case may
be, you'll almost always follow the preceding three steps, and this will
carry over to other languages, as you'll see in later chapters.
Back to your stacked bar chart. Go back to Nathan's Hot Dog Contest. This
is the last time you look at hot dog eating data in this topic, so savor the
moment. Figure 4-21 is the graphic you want to make.
FIGurE 4-21 Stacked bar charts showing top three eaters from 2000 to 2010