Modifying stat_smooth
In the previous exercise we used se = FALSE in stat_smooth() to remove the 95% Confidence Interval. Here we'll consider another argument, span, used in LOESS smoothing, and we'll take a look at a nice scenario of properly mapping different models.
This exercise is part of the course
Intermediate Data Visualization with ggplot2
Hands-on interactive exercise
Have a go at this exercise by completing this sample code.
ggplot(mtcars, aes(x = wt, y = mpg)) +
geom_point() +
# Add 3 smooth LOESS stats, varying span & color
___(___ = ___, ___ = ___, ___ = ___) +
___ +
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