I predict you'll find this logistic regression example with R to be helpful for gleaning useful information from common binary classification problems.

Marginal models for multivariate binary data permit separate modelling of the relationship of the response with explanatory variables, and the association between pairs of responses. When the former ...

The best way to see where this article is headed is to take a look at the screenshots of a demo R session in Figures 1 and 2. The commands in Figure 1 set up the data for a logistic regression problem ...