Python, Pandas, Data Science, Climate Change, Matplotlib.
ax.xaxis.set_major_formatter(date_formatter) ax.plot(bob_hr, color="red", label="Heart Rate Bob", marker=".") ax.plot(alice_hr, color="red", label="Heart Rate Alice", marker="v") ax.grid() ax.legend() ax.set_ylabel("Heart Rate [BPM]") ax.set_xlabel("Time") ax_cadence = ax.twinx()