Estimation, Comparison and Selection of Transformations

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Documentation for package ‘trafo’ version 1.0.1

• DESCRIPTION file.
• User guides, package vignettes and other documentation.
• Package NEWS.

Help Pages

trafo-package	An R package supporting the selection of a suitable transformation
as.data.frame.trafo	Data frame with transformed variables
assumptions	First check of assumptions to find suitable transformations
bickeldoksum	Bickel-Doksum transformation for linear models
boxcox	Box-Cox transformation for linear models
diagnostics	Diagnostics for fitted models
diagnostics.trafo_compare	Diagnostics for two differently transformed models
diagnostics.trafo_lm	Diagnostics for an untransformed and a transformed model
dual	Dual transformation for linear models
glog	Glog transformation for linear models
gpower	Gpower transformation for linear models
logshiftopt	Log shift opt transformation for linear models
logtrafo	Log transformation for linear models
manly	Manly transformation for linear models
modulus	Modulus transformation for linear models
neglog	Neg log transformation for linear models
plot.trafo_compare	Plots for linear models with transformed dependent variable
plot.trafo_lm	Plot for regression models with untransformed and transformed dependent variable
print.diagnostics.trafo_compare	Prints diagnostics of two trafo objects
print.diagnostics.trafo_lm	Prints diagnostics of an untransformed and a transformed model
print.summary.trafo_compare	Prints summary of trafo_compare objects
print.summary.trafo_lm	Print summary trafo
print.trafo	Prints object of type trafo
print.trafo_compare	Prints object of type trafo_compare
print.trafo_lm	Prints object of type trafo_lm
reciprocal	Reciprocal transformation for linear models
sqrtshift	Square-root shift transformation for linear models
summary.trafo_compare	Summary for two differently transformed models
summary.trafo_lm	Summary for linear models with untransformed and transformed dependent variable
trafo	An R package supporting the selection of a suitable transformation
trafo_compare	Compares linear models with transformed dependent variable
trafo_lm	Fits transformed linear models
yeojohnson	Yeo-Johnson transformation for linear models