Data simulated from a probit model with heteroscedasticity. The data are described in Example 4 of Liu and Zhang (2017).
A data frame with 2000 rows and 2 variables.
y The response variable; an ordered factor.
x The predictor variable.
Liu, Dungang and Zhang, Heping. Residuals and Diagnostics for Ordinal Regression Models: A Surrogate Approach. Journal of the American Statistical Association (accepted).
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.