For example, on this graph, the vertical axis goes up in steps of 2 degrees. Even though 7 degrees and 9 degrees are not shown, they are still represented between the labeled points.

The standard example is the so-called Ladder Graph. A balanced embedding of this graph looks exactly like a ladder. But Holm says: “In an unbalanced embedding, it is hardly recognizable.” ...

A line graph might be useful for showing the pattern of change in world population, for example. The line graph below shows the population growth of low income, middle income, and high income ...

The example also shows how default symbol sequencing provides a default plot symbol if a plot needs more plot symbols than are defined. The example uses the GOPTIONS statement to specify the colors ...