Introduction: We present an ordinal logistic regression model for identification of items with differential item functioning (DIF) and apply this model to a Mini-Mental State Examination (MMSE) ...

Consider a study of the effects on taste of various cheese additives. Researchers tested four cheese additives and obtained 52 response ratings for each additive. Each response was measured on a scale ...

In a logistic analysis, the response functions are the logits of the dependent variable. PROC CATMOD can compute three different types of logits with the use of keywords in the RESPONSE statement.

Logistic regression is a technique for binary classification -- predicting one of two discrete values. For example, you might want to predict the sex of a person (male = 0, female = 1) from their age, ...

Journal of Vegetation Science, Vol. 21, No. 6 (December 2010), pp. 1152-1161 (10 pages) Question: We provide a method to calculate the power of ordinal regression models for detecting temporal trends ...