Allow ly_lines to draw lm result

[sinhrks]

I understand that lm result can be drawn via ly_abline, but it is confusing to use ly_lines for lowess and ly_abline for lm.

[hafen]

This is how things work with base R graphics - an lm result is an naturally an abline. Are there other plotting packages that do this?

[sinhrks]

Thanks for consideration. Understood the background.

What I have in my mind was to have a single API. It is very nice if we have a function ggplot2::geom_smooth.

• http://docs.ggplot2.org/0.9.3.1/geom_smooth.html