To try to prove that values are jumping all over, someone can change the minimum and
maximum values along the vertical axis and zoom in to a tight view of the chart series, as
shown in the top-left chart in Figure 14.4. If they want to make the sales look smooth, they
can change the maximum value on the axis to something several times larger than the usual
maximum. In this case, the line looks very smooth, as shown in the bottom of Figure 14.4.
14
Chapter 14Knowing When Someone Is Lying to You with a Chart
426
Figure 14.4
Watch out for some-
one changing the
scale in order to
push a message.
3-D perspective can also be used to distort a ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month, and much more.