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SemiPar (version 1.0-4.2)

residuals.spm: Residuals for semiparametric regression.

Description

Extracts residuals from a semiparametric regression fit object.

Usage

# S3 method for spm
residuals(object,...)

Arguments

object

a fitted spm object as produced by spm().

...

other possible arguments.

Value

The vector of residuals.

Details

Extracts residuals from a semiparametric regression fit object. The residuals are defined to be the difference between the response variable and the fitted values.

References

Ruppert, D., Wand, M.P. and Carroll, R.J. (2003) Semiparametric Regression Cambridge University Press. http://stat.tamu.edu/~carroll/semiregbook/

Ganguli, B. and Wand, M.P. (2005) SemiPar 1.0 Users' Manual. http://matt-wand.utsacademics.info/SPmanu.pdf

See Also

spm plot.spm lines.spm predict.spm summary.spm fitted.spm

Examples

Run this code
# NOT RUN {
library(SemiPar)
data(fossil)
attach(fossil)
fit <- spm(strontium.ratio~f(age))
plot(age,residuals(fit))
abline(0,0)
# }

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