The previous charts described the relationship between days taken to finish reading a book and page count. Now, we will try to understand the highest page counts in calendar months, where a book was finished after x number of reading days. In the first chart, we plotted the number of samples we have for each group of books, which were completed in the same number of days. There are multiple samples in many groups. Here, we will plot a distribution for multiple samples in each group.
We can define a statistic to summarize the average page counts of books completed in the same calendar month as the a book was completed after x number of days.
We will make a box plot chart as follows:
The data that we are visualizing in this box plot is made using multiple group by operations, because the...