NumTweets: num 179 74 604 288 428 173 592 293 That is typically the structure you want for most ggplot graphs. Next I’ll create a grouped bar chart and save it to the variable my_chart.

Racing bar charts can be a useful way to visualize comparative data over time. There are a number of ways to create them in R, including combining ggplot with gganimate or using echarts4r.