ggtrendline (version 1.0.3)
Add Trendline and Confidence Interval to 'ggplot'
Description
Add trendline and confidence interval of linear or nonlinear regression model and
show equation to 'ggplot' as simple as possible. For a general overview of the methods used in
this package, see Ritz and Streibig (2008) and
Greenwell and Schubert Kabban (2014) .