| df5 | R Documentation |
Data simulated from from an ordered probit model with an interaction effect.
data(df5)
A data frame with 2000 rows and 3 variables.
x1 A continuous predictor variable.
x2 A factor with two levels: "Control" and
"Treatment".
y The response variable; an ordered factor.
Liu, Dungang and Zhang, Heping. Residuals and Diagnostics for Ordinal Regression Models: A Surrogate Approach. Journal of the American Statistical Association (accepted).
head(df5)
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