misc_transforms: Various scale transforms.
In shabbychef/ggallin: Grab Bag of 'ggplot2' Functions

Description Usage Format Details Value Author(s) See Also Examples

Various scale transformations.

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2
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ssqrt_trans

pseudolog10_trans

An object of class trans of length 7.

The available transforms:

ssqrt_trans a signed square root transform appropriate for negative or positive numbers.
pseudolog10_trans an asinh transformation, which is like a logarithm, but appropriate for negative or positive numbers. This transformation was taken from the Win Vector blog, http://www.win-vector.com/blog/2012/03/modeling-trick-the-signed-pseudo-logarithm/.

A scale transformation object.

Steven E. Pav shabbychef@gmail.com

trans_new.

http://www.win-vector.com/blog/2012/03/modeling-trick-the-signed-pseudo-logarithm/

set.seed(1234)
ggplot(data.frame(x=rnorm(100),y=runif(100)),aes(x=x,y=y)) + 
  geom_point() + 
  scale_x_continuous(trans=ssqrt_trans)

set.seed(1234)
ggplot(data.frame(x=rnorm(100),y=runif(100)),aes(x=x,y=y)) + 
  geom_point() + 
  scale_x_continuous(trans=pseudolog10_trans)