Returns an integer representing the number of unique categories from all specified fields. This value should serve as a guide for users specifying colors in the makeFlow() function.
Usage
colorCount(data, classFields)
Arguments
data
An object of class data.frame in which all specified classFields (or column names) can be found.
classFields
A vector of the column names intended to be represented in a makeFlow() diagram. Each element must be a string.