%%% preforms histogram analysis of inputs for class 0 and class 1
%%%% Milos Hauskrecht
%%%% CS2750 Machine Learning, University of Pittsburgh
%%%% input data for class0 and input data for class1

function res = analyze_input(class_0,class_1)

n_features=size(class_0,2);
for i=1:n_features
    figure
    subplot(1,2,1);
    hist(class_0(:,i),20); %its histogram with 20 bins 
    title(['Feature: 'num2str(i),' Class 0']);
    subplot(1,2,2);
    hist(class_1(:,i),20); %its histogram with 20 bins 
    title(['Feature: 'num2str(i),' Class 1']);
end
res=n_features;

return;