johnsonFun {qAnalyst}R Documentation

Function to perform Johnson transformations

Description

johnsonFun performs Johnson transformation and returns a corresponding transformation object for given data.

Usage

johnsonFun(x)

Arguments

x

a vector of numeric data

Details

johnsonFun wrappes JohnsonFit function from SuppDists package.

Value

A transformation class object is returned. transformation class objects are lists composed by following items:

type

type of transformation, in such case: "johnson"

parameters

a vector or a list of parameters

original

original data vector

parameters

trasformed data vector

Note

print and plot methods are avaible for such class

Author(s)

Giorgio Spedicato

References

Johnson, N.L. (1949). Systems of frequency curves generated by methods of translation. Biometrika

See Also

print.transformation, plot.transformation, boxcoxFun

Examples

data(warpTiles)
warpJohnson=johnsonFun(warpTiles$warping)
print(warpJohnson)

[Package qAnalyst version 0.6.4 Index]