bins=[0:0.05:1];
bin=[0.05:0.05:1];

xc_group=histcounts(offset_group,bins,'Normalization','probability');
xc_group_mean=squeeze(mean(mean(offset_group,2),1));

xc_time=histcounts(offset_time,bins,'Normalization','probability');
xc_time_mean=squeeze(mean(mean(offset_time,2),1));

figure

p1=plot(bin,xc_group,'b-','LineWidth',2);
hold on
p2=plot(bin,xc_time,'r-','LineWidth',2);
ylim([0 .7])
xlim([.5 1])
plot([xc_group_mean xc_group_mean],get(gca,'ylim'),'b--','LineWidth',2)
plot([xc_time_mean xc_time_mean],get(gca,'ylim'),'r--','LineWidth',2)
legend([p1(1) p2(1)],{'Groups over time','Timepoints over groups'})
title('Cross-correlation of group matrices')
ylabel('percentage of matrices')
xlabel('normalized offset at zero lag')

%% 
xlswrite('xcorr_group.xls',offset_group)
xlswrite('xcorr_time.xls',offset_time)


xlswrite('norm_indv_fc.xls',norm_ROI)