ibias=1
for bias=-5:.2:5
    senate2014_est
    senatemean(ibias)=meanseats;
    ibias=ibias+1;
end
plot([-5:.2:5],senatemean,'.-k')
grid on
xlabel('Shift in national D-R vote margin (%)')
ylabel('Average Dem+Ind Senate seats')
axis([-3 3 47.9 53])