Insert a topic model into a fitted tmfast

Apply varimax rotation for a value of k less than the maximum already included in the tmfast.

Usage

insert_topics(fitted, k, x = NULL)

Arguments

fitted

Fitted tmfast object

k

Desired number of topics for new model

x

Data matrix (document-term matrix), as Matrix object (eg, using build_matrix())

Value

tmfast object, as fitted, with additional topic model inserted