The cumulative logit or the proportional odds regression model is commonly used to study covariate effects on ordinal responses. This paper provides some graphical and numerical methods for checking the adequacy of the proportional odds regression model. The methods focus on evaluating...

Curved Exponential random graph models (CERGMs) are a popular tool for modeling social networks representing relational data, such as working relations or friend- ships. Additionally to the network itself some exogenous variables are often collected, such as gender, age, etc. CERGMs allow...