| ladder | R Documentation | 
Searches the ladder of powers histograms to find a transformation to make
x normally distributed. The Shapiro-Wilkes test is used to assess for
normality. The following transformations are included: identity, cubic,
square, square root, natural logarithm, inverse square root, inverse, 
inverse square, and inverse cubic.
ladder(x)
x | 
 A continuous numeric vector.  | 
A data.frame
ladder(iris$Sepal.Length)
ladder(mtcars$disp)
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