Function that sets the current look number
Sets the current look number. The curent look is the one that last took place.
The sequential design object
The curent look number
The curent look is the one that last took place. One can only set the current look forward. If the new current look number attempted is less than the old current look number, no action will take place and the current look number will not be updated.
an object of class "sequential.design"