user1165686
user1165686

Reputation: 21

plotting smoothed lines in qplot in R

My issue is that I'd like to know how to plot smoothed lines in qplot in R, except without the gray bands around them. For instance, when I write this:

qplot(wt, mpg, data=mtcars, geom=c("smooth"), color=factor(cyl), method="lm", 
formula = y ~ ns(x,4))

The plot that appears has not only the three colored lines, but these large gray clouds around the lines. How do I remove those while also keeping the smooth lines? Geom="line" gives me very jagged lines that trace every noisy point, so those won't do either.

Any help is appreciated.

Thank you.

Upvotes: 2

Views: 1097

Answers (1)

andrew cooke
andrew cooke

Reputation: 46882

add se=FALSE.

from page 14 of the ggplot2 book (which is expensive, but worth it).

[bdemarest - thanks for the edit! (didn't capitalize FALSE correctly)]

Upvotes: 3

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