Used to calculate overall cluster entropy from a confusion matrix.
Usage
overall_entropy(conf_mat)
Arguments
conf_mat
A confusion matrix from get_conf_mat or otherwise (ideally a matrix, although data frames will probably work)
Value
A scaler, cluster entropy as defined in Manning (2008)
References
Manning, C. D., Raghavan, P., & Sch<U+00FC>tze, H. (2008) Introduction to information retrieval (Vol. 1, No. 1). Cambridge: Cambridge university press.