The fcm class of object is a special type of dfm object with additional slots, described below.
context
the context definition
window
the size of the window, if context = "window"
count
how co-occurrences are counted
weights
context weighting for distance from target feature, equal in length to window
tri
whether the lower triangle of the symmetric \(V \times V\) matrix is recorded
ordered
whether a term appears before or after the target feature are counted separately