This code plots different simple graphs such as scatter diagram, line plot, histogram and bar diagram. The type of graph can be selected through switches. The type of dataset used -(csv, xlsx or dta) ...

The points to plot are (21, 70), (26, 86), (15, 50) etc. Note the jagged lines close to the origin. These indicate a broken scale. A broken scale is used when values close to 0 are not required.

Anyway, here's the plot diagram: Click here for a much larger version -- SPOILERS ABOUND! If you're into this sort of thing, check out J.K. Rowling's Plot Spreadsheet. (Via In Contention.) ...