plot.DIFlasso function

Plot Function for DIFlasso

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

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

Arguments

• x: DIFlasso object, created by DIFlasso
• decreasing: Should the covariates be arranged by decreasing euclidian norm of their parameter estimates.
• ...: Further arguments to be passed to the plot function.

References

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

Author(s)

Gunther Schauberger

gunther.schauberger@tum

https://www.sg.tum.de/epidemiologie/team/schauberger/

See Also

DIFlasso, print.DIFlasso

Examples

## 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)