How do I process DoE sensory data with ordinal responses
Hello everyone ! I am reaching out because I am having trouble processing data from a DoE. I generated an optimal design to study the infleunce of formualtion parameters on a food product. 9 judges tasted the products by comaparing them to a reference product and evaluated them on several sensory descriptors as follow : -3 = much less than reference, -2 = less than ref, -1=a bit less than ref,...