It divides a numerical variable
x in classes, and returns for each class the central value.
Internal function, generally not to be called by the user.
cutnumeric(x, n = 1000)
number of classes
It calls the
cut function, and then converts factor classess in numeric classes, returning for each class its central value.
It returns a numerical vector. The values are the central points of classes obtained by the function
This function is called from the function