function [Value, F2] = Stress(Obj,Subj)
%function [Value, F2] = Stress(Obj,Subj)
% Subj is a vector of scores from observers
% Obj is a computed value for the Scores

F2Num=sum(Obj.*Subj);
F2Denom=sum(Obj.^2);
F2=F2Num/F2Denom;

Num=sum((F2*Obj-Subj).^2);
Denom=sum(Subj.^2);
Value=100*sqrt(Num/Denom);
