Proportional symbols can be added to graphs to show information about different places. The graph below plots life expectancy against income for each country. It also shows population size.

COLORS= specifies the colors list. This list is used by the SYMBOL statement. HSIZE= and VSIZE= specify the external dimensions of the graph. Units of IN override the default PCT specified by GUNIT=.

Inequalities that use ≤ or ≥ symbols are plotted with a solid line to show that the line is included in the region. For example, this graph shows the inequality \(x \textless -1\). This can be ...