scale_shape_few() maps discrete variables to up to five easily discernible shapes. It is based on the shape palette suggested in Few (2012).

scale_shape_few(...)

## Arguments

... Common discrete_scale() parameters.

## References

Few, S. (2012) Show Me the Numbers: Designing Tables and Graphs to Enlighten, Analytics Press, p. 208.

scale_shape_few() for the shape palette that this scale uses.