plot.powerTransform

0th

Percentile

plot Method for powerTransform Objects

This function provides a simple function for plotting data using power transformations.

Keywords
regression, hplot
Usage
# S3 method for powerTransform
plot(x, z = NULL, round = TRUE, plot = pairs, ...)
Arguments
x

name of the power transformation object

z

Additional variables of the same length as those used to get the transformation to be plotted, default is NULL.

round

If TRUE, the default, use rounded transforms, if FALSE use the MLEs.

plot

Plotting method. Default is pairs. Another possible choice is scatterplot.matrix from the car package.

Optional arguments passed to the plotting method

Details

The data used to estimate transformations using powerTransform are plotted in the transformed scale.

Value

None. Produces a graph as a side-effect.

References

Weisberg, S. (2014) Applied Linear Regression, Fourth Edition, Wiley.

Fox, J. and Weisberg, S. (2011) An R Companion to Applied Linear Regression, Second Edition, Sage.

See Also

powerTransform

Aliases
  • plot.powerTransform
Examples
# NOT RUN {
summary(a3 <- powerTransform(cbind(len, adt, trks, shld, sigs1) ~ 1, Highway1))
with(Highway1, plot(a3, z=rate, col=as.numeric(htype)))
# }
Documentation reproduced from package car, version 2.1-6, License: GPL (>= 2)

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