Plot Function for refitDIFlasso

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Description

Plots the estimates of the item-specific parameters of a DIFlasso.refit object.

Usage

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## S3 method for class 'DIFlasso.refit'
plot(x, decreasing = TRUE, ...)

Arguments

x

DIFlasso.refit object, created by refitDIFlasso

decreasing

Should the covariates be arranged by decreasing euclidian norm of their parameter estimates.

...

Further arguments to be passed to the plot function.

Author(s)

Gunther Schauberger
gunther.schauberger@stat.uni-muenchen.de
http://www.statistik.lmu.de/~schauberger/

References

Tutz, Gerhard and Schauberger, Gunther (2015): A Penalty Approach to Differential Item Functioning in Rasch Models, Psychometrika, 80(1), 21 - 43

See Also

refitDIFlasso, print.DIFlasso.refit, DIFlasso

Examples

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## Not run: 
data(simul.data)

Y <- simul.data[,1:10]
X <- simul.data[,11:13]

m1 <- DIFlasso(Y = Y, X = X, trace = TRUE) 
print(m1)
plot(m1)

m2 <- refitDIFlasso(m1)
print(m2)
plot(m2)

## End(Not run)