gf_lm()

The gf_lm() function overlays the best-fitting regression line on a scatter plot when chained onto gf_point().

Example:

# adds a regression line

gf_point(Thumb ~ Height, data = Fingers) %>%

      gf_lm( color = "orange", size = 2 )

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• gf_bar()

  The gf_bar() function creates a bar graph. It can be used to visualize the distribution of a categorical variable by counting the number of observations for each group of the category. Bar graphs can also be used with the gf_facet_grid() function. ...

• gf_density()

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• gf_histogram()

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• gf_labs()

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