plt.ylabel("NL vs Total mention ratio")
// subplot for abstract vs full ratio
plt.subplot(222)
plt.bar(x_pos, abstract_full_ratio_array)
plt.xticks(x_pos, label, rotation=90)
plt.ylabel("Abstract vs Full document ratio")
After Change
plt.xticks(x_pos, label, rotation=90)
plt.ylabel("Abstract vs Full document ratio")
plt.xlim(min(x_pos) * 0.95, max(x_pos) * 1.05)
plt.ylim(min([x for x in abstract_full_ratio_array if x > 0]) * 0.95, max(abstract_full_ratio_array) * 1.05)
// OPTIONAL combined plot
// OPTIONAL legend included (must be some different graph (scatter, line, ...) system)